complete the following paragraph to describe the two processes by which the influenza virus evolves.

Answers

Answer 1

Recall that antigens are substances, like viruses and their parts, that cause our immune system to start an immune response.

Viruses are antigenic , meaning that they develop methods to avoid detection by the immune system.

How to describe the two processes by which the influenza virus evolves?

When small changes to the surface spikes of the virus allow it to evade detection by the immune system, it is referred to as antigenic drift.

This process can occur quickly in the influenza virus and other RNA viruses because the enzyme required to convert ANA into DNA has low fidelity, meaning it makes many mistakes during replication.

When two different forms of a virus infect the same host cell and viral particles are reassembled into a new form, it is referred to as antigenic shift.

This causes a rapid change in the virus, so the immune system takes longer to respond, meaning it's more likely to cause an outbreak.

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Complete The Following Paragraph To Describe The Two Processes By Which The Influenza Virus Evolves.

Related Questions

How do you determine the species of an unknown bacterium?
You should make a careful investigation of the morphology of the bacterial cells using a microscope to make a firm identification.
You need to quantify the number of bacteria in the same to determine the species.
Identification can only be made based on the patient's signs and symptoms.
You use standard tests and pre-existing knowledge to classify the bacterium.

Answers

Answer:

Explanation:

Begin the process of identifying unknown bacteria by observing their physical characteristics, such as cell wall, shape and linkages. Use standard laboratory procedures, like cell staining, culturing and DNA sequencing to further narrow down your identification.

impact of inflammation-mediated myocardial fibrosis on the risk of recurrence after successful ablation of atrial fibrillation - the fibro-risk

Answers

"Impact of inflammation-mediated myocardial fibrosis on the risk of recurrence after successful ablation of atrial fibrillation - the fibro-risk" investigates the association  inflammation-mediated myocardial fibrosis.

Atrial fibrillation  is a common cardiac arrhythmia that can be treated with  procedures. However, the recurrence of  after successful ablation remains a challenge. This study focuses on the role of inflammation-mediated myocardial fibrosis.

The study highlights the importance of identifying and targeting inflammation-mediated myocardial fibrosis as a potential therapeutic strategy to improve the long-term success of ablation procedures. By understanding the underlying mechanisms that contribute to recurrence, healthcare professionals can develop targeted interventions to reduce inflammation and prevent or delay the progression of fibrosis, ultimately improving patient outcomes.

The researchers conducted a retrospective analysis of patients who underwent successful  ablation and evaluated the presence of inflammation-mediated myocardial fibrosis using various imaging techniques. They found that patients with a higher degree of myocardial fibrosis had an increased risk of  recurrence following anticoagulants ablation. This suggests that the presence of inflammation and fibrosis in the heart may contribute to the electrical remodeling that leads to  recurrence.

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The nurse is caring for a black child who has been diagnosed with marasmus. the nurse would expect to find the:_____.

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The nurse would expect to find the following signs and symptoms in a black child diagnosed with marasmus: severe weight loss, wasting of muscle mass, generalized weakness, and extreme malnutrition.

Marasmus is a severe form of protein-energy malnutrition that results from inadequate intake of both calories and protein. The condition is characterized by a significant reduction in body weight and muscle mass, leading to a thin and emaciated appearance.

The nurse may observe a loss of subcutaneous fat, sunken eyes, and loose, wrinkled skin in the child. The child may have a protruding abdomen due to liver enlargement. Other possible findings include dry and brittle hair, poor wound healing, and a weakened immune system, making the child more susceptible to infections.

To address the child's nutritional needs, the nurse would collaborate with a multidisciplinary team to develop a comprehensive plan of care. This may involve providing high-calorie and high-protein foods, administering vitamin and mineral supplements, and monitoring the child's weight and nutritional intake regularly. Additionally, the nurse would educate the child's caregivers about the importance of proper nutrition and encourage them to seek ongoing medical care and support to help the child recover and prevent future occurrences of marasmus.

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When the nurse is caring for a black child who has been diagnosed with marasmus, she would expect to find the hair to be less kinky and a copper-red color (Option A).

What is Marasmus?

Marasmus is а severe form of mаlnutrition, specificаlly, protein-energy undernutrition. It results from аn overаll lаck of cаlories. Mаrаsmus is а deficiency of аll mаcronutrients: cаrbohydrаtes, fаts, аnd protein.

The hаir of blаck children with severe mаlnutrition (e.g., mаrаsmus) frequently chаnges not only in texture but in color, the child's hаir becomes less kinky аnd аssumes а copper-red color. The other findings аre not present with mаrаsmus.

Your question is incomplete, but most probably your full question was

The nurse is caring for a black child who has been diagnosed with marasmus. The nurse would expect to find:

A. the hair to be less kinky and be a copper-red color.

B. the head to be larger than normal, with wide-set eyes.

C. the skin on the hands and feet is to be scaly and tender.

D. the lymph nodes in the groin are enlarged and tender.

Thus, the correct option is A.

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why are most people allergic to pollen????????????????????????? and why do we sneeze and etc.

Answers

Answer:

Our body  system thinks it's dangerous and it thinks it's a foreign invader. So when we sneeze it release antibodies to get rid of the pollon.  most of us are allergic to pollen create a chemical called histamine, which causes the sneezing and stuff.

Hope this helps and PLEASE give brainlist!

Some people are allergic to pollen because pollen reacts with our nose cells and forces us to sneeze. This may also cause rashes near our nose.

The resulting pain due to pleural fluid being unable to prevent friction between opposing pleura surfaces is known as

Answers

The resulting pain due to pleural fluid being unable to prevent friction between opposing pleura surfaces is known as pleurisy or pleuritic pain.

What is the pain called?

Pleurisy is an inflammation of the pleura, a thin membrane that covers the inside of the chest cavity and the outside of the lungs. A small amount of pleural fluid normally lubricates the pleura, enabling the lungs to move freely and painlessly during breathing.

However, pleural inflammation can disrupt or limit the generation of pleural fluid, which causes the inflamed pleural surfaces to rub against one another.

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explain the importance of nonverbal communication when communicating with a person who is confused and agitated?​

Answers

Answer: try and calm them down and explain to them what it is you are working on.

Explanation:

BsjakkakakkkkkkknNna

Assume that you are performing an EKG on an elderly patient with chest pain. What considerations should you take in account when performing the exam and interacting with this patient? 

Answers

Answer:

Some considerations to take into account when performing an EKG on an elderly patient with chest pain include:

-The patient may be more frail and delicate, so be careful when handling them.

-The patient may be more susceptible to discomfort and pain, so take care to minimize any discomfort during the exam.

-The patient may have difficulty understanding instructions or questions, so take care to explain things clearly and slowly.

-The patient may have cognitive impairments that make it difficult to follow directions, so be patient and take care to ensure they understand what they need to do.

some consideration of EKG on an elderly patient with chest pain include p be careful when handling the patents, take care to minimize any discomfort during the exam, take care to explain things clearly and slowly.

what are the causes of chest pain ?

Chest pain arises in many forms, ranging from a sharp stab to a dull ache, this pain feels crushing or burning, travels the pain passes up the neck, into the jaw, and then spreads to the back or down one or both arms.

The different cause of chest pain are due to problem in heart or lungs. this indicate a serious problem, it's important to seek immediate medical help.

chest discomfort related to a heart attack or another heart problem may be described by or associated with one or more of the  reasons like Pressure, fullness, burning or tightness in your chest, Crushing or searing pain that spreads to your back, neck, jaw, shoulders, and one or both arms, Pain that lasts more than a few minutes.

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What is a useful strategy for displaying confidence?

Answers

Answer:

Below:

Explanation:

Stand tall. Take up space by standing tall. Keep your shoulders back, and keep your spine straight. This is going to offer you a host of physical benefits, including better breathing and better back support, but just as important, it's going to make you look and feel more confident.

Hope it helps...

It's Muska

There are many complaints that nutrition education is focused on what not to eat instead of what to eat. How does this confuse consumers?​

Answers

By not letting them use their brains

What are morbidity and mortality, and how are they involved in the more traditional definitions of health?

Answers

Morbidity is another term for illness. If an illness continues it may increase your risk of mortality(death).

describe the process of communication between two neurons at the synaptic cleft. how do SSRI’s impact this communication? Use the following words in the explanation, Action potential, Axon terminal, Dendrite, Neurotransmitter, receptor, synapse, vesicles, calcium ions

Answers

Action potential Axsen terminal dendrite neurotransmitter receptors synapse vesicles and calcium ions are the answer

Should we trust the Fauci Ouchie, why or why not?

Answers

DEFINITELY NOT JUST BC

Answer:

Yes because the U.S food and drug administration approved it

Ques 3: Is it possible for a mobile phones company to transcend national culture and produce a global mobile phone that is accepted by people in every culture? Why or why not?

Answers

While it may be challenging for a mobile phone company to produce a global mobile phone that is universally accepted across all cultures, it is not entirely impossible. Several factors need to be considered in this context.

Firstly, cultural differences play a significant role in shaping people's preferences, needs, and usage patterns. Cultural values, aesthetics, and communication styles vary among different societies. Designing a mobile phone that caters to diverse cultural expectations and preferences can be complex.

Secondly, technical and infrastructural factors also come into play. Mobile networks, frequencies, and standards differ across countries, which can pose compatibility issues for a global phone.

However, with careful research, market analysis, and adaptation, a mobile phone company can strive to create a product that resonates with a wide range of cultures. This can involve incorporating customizable features, localization options, language support, and respecting cultural sensitivities.

Moreover, technological advancements and globalization have led to the convergence of preferences and the adoption of certain design standards worldwide. Companies that prioritize user-centered design and actively engage in market research can better understand the needs and expectations of diverse cultures.

In conclusion, while achieving complete acceptance across all cultures may be challenging, a mobile phone company can work towards creating a global mobile phone by understanding cultural nuances, adapting to technical requirements, and focusing on user-centered design principles.

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What is the most common cause of osteoarthritis

Answers

Answer:

injury or obesity. can occur in middle age. cause when smooth cushion between bones breaks down, joints can be painful, swollen or hard to move.

It mostly occurs in someone that is middle aged or it could be a possible cause of an injury especially in hips and knees, joint overuse and obesity.

True/False: cortex are which processes voluntary movement, expressive language, and for managing higher level executive functions

Answers

Answer:

True. More specifically the frontal cortex is associated with executive functioning skills, voluntary movements and expressive launguage (personality).

Which of the following is an example of a national-level professional organization for a pharmacy technician?
O A. American Association of Pharmacy Technicians
O B. The pharmacy board of a local state hospital
O C. Local CDC branches
O D. American Association for Safe Medication

Answers

it says national level for pharmacy tech so it’s A :)

A national-level professional organization for a pharmacy technician is A. American Association of Pharmacy Technicians.

The answer is option A.

What is a national-level professional organization for a pharmacy technician?

NPTA is the arena's biggest expert organization for pharmacy technicians. Its assignment is to increase the fee of pharmacy techs and to help them meet their non-public and professional dreams.pharmacy technician IIIA pharmacy technician III is commonly the very best degree of certification within the career path and requires more enjoyment and schooling.There are two number one businesses that provide pharmacy tech certification; the pharmacy Technician Certification Board (percent) and the countrywide Healthcareer affiliation (NHA). Both are licensed through the national commission for Certifying corporations (NCCA) and are identified in all 50 states.

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circus Afro circus Afro polka dot polka dot Afro
now hold breath for 3 minutes and tell me what happens

Answers

Answer:

nothing much happened

Explanation:

Answer:

...........................what?

Explanation:

You are driving down a street when you notice a house is on fire. A person who you
assume is the owner is sitting on the front lawn, although you cannot immediately tell if
the person is injured or just upset. Emergency medical services (EMS) personnel are not
on the scene-in fact, it appears that no one is even aware of the situation. You decide to
stop and help. What are the first basic steps you should take?

Answers

The first step you should take in the given situation is to call 911, so that emergency medical services (EMS) personnel will be informed.

There are some basic steps in providing first aid and they include the following;

Assess the situationPlan for intervention Implement first aidEvaluate the situation

For the given scenario, after assessing the situation, you will definitely notice that the situation is a critical one. The first step to take as untrained professional is to get help before approaching the scene.

You can help by calling 911 so that emergency medical services (EMS) personnel will be informed, after which you keep the person safe before the emergency team arrives.

Thus, we can conclude that the first step in the given situation is to call 911.

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Answer:

911

Explanation:

identify the elements included in a pain assessment. how would you incorporate the client's preferences and needs when you implement a plan for pain management?

Answers

The elements included in a pain assessment include the PQRST elements given:

P (Provocation/Palliation) - What seems to trigger the pain? What relieves it?Q (Quality) - what is the nature of the pain?R (Region) -the area the pain id feltS (Severe) -  how strong is the pain?T (Timing)- how long does the pain last?

The client's preferences and needs can be incorporated when implementing a plan for pain management by taking into consideration the client's preferences.

What is pain assessment?

Pain assessment refers to the procedures or methods employed by medical personnel to determine the full scope of pain felt by a client or patient.

The elements of pain assessment include:

Location - the location or region that tries to find out where the pain is felt.

Onset - the period in which time in which the pains began

Timing - how long the pain last

Type - the type of pain that is felt

Associated symptoms - the related or associated symptoms of the pain

Alleviating factors - the factors that alleviate or make the pain lessen

Radiation - the other body region the pain is felt.

Precipitating events - the likely events that cause or lead to pain.

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unresponsive wakefulness syndrome what part of the brain is damaged

Answers

Unresponsive wakefulness syndrome, also known as a persistent vegetative state, occurs when a person appears to be awake but has no response to external stimuli. The damage to the brain that causes this syndrome is often in the cerebral cortex or the white matter tracts connecting the cortex to the brainstem.

The cerebral cortex is the outer layer of the brain responsible for consciousness, voluntary movement, sensation, perception, and cognitive functions such as thinking, learning, and memory. Damage to the cerebral cortex can cause loss of these functions, leading to unresponsive wakefulness syndrome. The white matter tracts, on the other hand, are responsible for transmitting signals between different areas of the brain, including the cortex and the brainstem. Damage to these tracts can disrupt the transmission of information necessary for consciousness and arousal, leading to the unresponsive state seen in this syndrome. Therefore, damage to the cerebral cortex or white matter tracts connecting the cortex to the brainstem can cause unresponsive wakefulness syndrome.

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The energy value of food measured in units of heat are known as?
A.
Fats
B.
Minerals
C.
Calories
D.
Portions

Answers

Hello!

We measure the amount of energy that we get from food through the unit called calories.

Answer choice C is correct.

What type of antigen is presented on MHC class I?

Answers

Answer:

The α1 and α2 domains form the peptide-binding site: this is a groove on the upper surface of the MHC class I molecule, which binds antigenic peptides of 8–10 amino acids in length.

Explanation:

I hope this helped.

Mrs. Martin was seen by the physician because she was having trouble with her blood glucose levels. The doctor listed the diagnosis as diabetes. What information is necessary to locate the proper code?

Answers

To locate the proper code for the diagnosis of diabetes, it is necessary to identify the type of diabetes and its severity. Diabetes is classified into different types, such as type 1, type 2, and gestational diabetes. The severity of diabetes is also categorized as either controlled or uncontrolled.

The following information is necessary to locate the proper code for the diagnosis of diabetes: Type of diabetes: This identifies the type of diabetes that the patient has. There are three types of diabetes: type 1, type 2, and gestational diabetes. Severity of diabetes: This identifies the severity of the diabetes and whether it is controlled or uncontrolled. The severity of diabetes is determined by the blood glucose levels of the patient.

The diagnostic codes for diabetes are divided into controlled and uncontrolled codes. Manifestations: These are the signs and symptoms that the patient is experiencing due to the diabetes. Some common manifestations include increased thirst, frequent urination, weight loss, and blurred vision. The diagnostic codes for diabetes include codes for various manifestations of the disease.

Location: The location of the patient is also necessary to determine the proper diagnostic code. This is because the codes used for diagnosis may vary depending on the country or region. In the United States, the codes used for diagnosis are based on the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM).The diagnostic code for diabetes is used to identify the type and severity of the disease. This information is used to determine the appropriate treatment and management of the patient's diabetes.

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If the initial amount of indium-117 is 4.8 g, how much indium-117 is left in the body after 86 min?

Answers

Based on the half life of the indium-117, the amount of indium-117 is left in the body after 86 min is  2.874 g.

What is the half-life of Indium-117?

The half life of the indium-117, t₀.₅ = 116.2 min

The initial amount of the indium-117 is

The time for final amount of indium-117

The decay constant, λ for indium-117 is calculated using the formula below:

λ = 0.693/t₀.₅

where;

t₀.₅, the half life of the indium-117 = 116.2 min

The decay constant for indium-117, λ will be;

λ = 0.693/116.2

λ = 5.96 * 10⁻³ min⁻¹

The amount of Indium-117 left is calculated with formula below:

\(N=N_{o}e^{-\lambda t}\)

\(N=4.8\times e^{-5.96\times 10^{-3}\times 86}\)

N = 2.874 g

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review the information on arrhythmias links to an external site. on the american heart association website and select all true statements.

Answers

The heartbeat may become excessively fast, too slow, or unpredictable when there are changes in the heart's electrical impulses, tissue, and activity.

Is arrhythmia a serious heart condition?

While the majority of arrhythmias are not harmful, some can be significant or even fatal. Its heartbeat may be able to supply enough blood to a brain when a heartbeat was excessively fast, too slow, or irregular. Serious symptoms of arrhythmias may impair your ability to do daily tasks.

What is the main cause of arrhythmia?

Risk factors for practically any type of arrhythmia include narrowed cardiac arteries, a heart attack, faulty heart muscle, previous cardiac surgery, heart failure, cardiomyopathy, and other heart problems.

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true/false. a lower waist to hip ratio indicates greater risk for cardiovascular disease?

Answers

Study found the WHR predicted cardiovascular disease more effectively than BMI or waist circumference. A third study found that WHR is a better indicator of risk of mortality from cardiovascular disease than waist circumference alone.

Explanation:

the clinician has recommended that an adolescent take an arranged interruption from the prescribed methylphenidate therapy. what assessments should the nurse focus on to provide data to support the need for this intervention? select all that apply.

Answers

The assessments that the nurse should focus on to provide data to support the need for an arranged interruption from prescribed methylphenidate therapy in an adolescent are:

A. Sleep patterns and duration

C. Appetite and weight levels

D. Mood and behavior changes

These assessments are important because methylphenidate is a stimulant medication commonly used to treat attention-deficit/hyperactivity disorder (ADHD) and can have potential side effects on these areas. The nurse should monitor the adolescent's sleep patterns and duration, appetite and weight levels, and mood and behavior changes to identify any possible adverse effects of the medication.

Assessing attention and concentration levels and academic performance may not be as useful in supporting the need for an arranged interruption from methylphenidate therapy, as the medication is prescribed to improve these areas in individuals with ADHD.

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Correct form of question would be:

the clinician has recommended that an adolescent take an arranged interruption from the prescribed methylphenidate therapy. what assessments should the nurse focus on to provide data to support the need for this intervention? select all that apply.

A. Sleep patterns and duration

B. Attention and concentration levels

C. Appetite and weight levels

D. Mood and behavior changes

E. Academic performance

Which of the following statements is true of cones?

Answers

The statement that is true about cones is:

These cells are responsible for color vision.

What are cones?

The photosensitive cells found in the retina of vertebrate animals are called cones.

Characteristics of cones

They are structurally similar to rods, but require much higher light intensity to become active.

They operate in daylight conditions and are responsible for photopic vision, where the color perception occurs.

Therefore, we can conclude that the receptors of the colors are the cones (photosensitive cells that are located in the retina, responsible for us perceiving colors in one way or another).

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Which of the following characteristics do cardiac and smooth muscles share?
O A. They are both supplied with nerves from the somatic nervous system.
B. They both fatigue easily.
C. They are both striated.
D. They are both multinucleate.

Answers

Answer:

A it just seems right

Explanation:

hope this helped

Which of the following is true of a living will? They allow patients to make decisions for themselves. The patient must agree to have invasive care. Health care facilities can choose to ignore them. They often ban the use of respirators.​

Answers

Answer:

A

Explanation:

Through a living will, a patient can make decisions for themselves.

They allow patients to make decisions for themselves is true about  living will. Hence option 1 is correct.

What are patients?

Patients are defined as a person who is receiving or has recently received medical attention. The word "patient" is not usually used to describe a person receiving medical attention due to issues with political correctness, human rights, and dignity.

A medical power of attorney is a legal instrument that enables a person to appoint a specific person known as an agent, surrogate, or proxy—to make health care decisions on their behalf in the event that they are unable to do so themselves. A decision you can make in advance to reject a particular kind of treatment at a later time is known as an advance decision.

Thus, they allow patients to make decisions for themselves is true about  living will. Hence option 1 is correct.

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