describe the ventricular systole in the cardiac cycle

Answers

Answer 1

Explanation:

Systole represents the time during which the left and right ventricles contract and eject blood into the aorta and pulmonary artery, respectively. During systole, the aortic and pulmonic valves open to permit ejection into the aorta and pulmonary artery. The atrioventricular valves are closed during systole, therefore no blood is entering the ventricles; however, blood continues to enter the atria though the vena cavae and pulmonary veins.


Related Questions

A term that indicates hardening of the brain is:
a.
none of these
b.
encephalotome
c.
cerebroma
d.
cephalodynia

Answers

C should be the correct answer. Hope this helped

which endocrine disorder may be prevented by consuming iodized salt on food

Answers

Answer:

Explanation:

So, a goiter can be a sign the thyroid is not able to make enough thyroid hormone. The use of iodized salt in the United States prevents a lack of iodine in the diet. Other causes of goiter include: The body's immune system attacking the thyroid gland (autoimmune problem)

Which one of the following is when a person is over 100 percent of his or her ideal
body weight?
Morbidly Obese
Super Obese
Obese
Severely Obese

Answers

When a person is over 100 percent of his or her ideal body weight is morbidly obese.

What is obesity?

Excessive body fat is a disease that raises the chance of developing health issues. Desirable BMI ranges from 18 to 25. You may be overweight if your BMI is over 25, and obese if it is 30 to 39. A BMI over 40 indicates serious obesity. Children and adults are also impacted by obesity. Eating habits, physical activity levels, and sleep schedules are just a few of the variables that might lead to excessive weight gain. A part is also played by genetics, social determinants of health, and using specific medications. Eating too much and moving too little, and you'll likely get obese.Increased blood pressure (hypertension). Low HDL cholesterol, high triglyceride levels, or high LDL cholesterol (dyslipidemia). sort 2 diabetes. Coronary heart disease.

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Planning if and when you have children is part of planning your life?

Answers

Answer:

yes

Explanation:

children take a lot of time and money, they affect were your able to go, what you are able to do and they are a big commitment, they are also expensive

how
does covid affect negatively on the world and global health

Answers

Answer:

COVID-19, caused by the novel coronavirus SARS-CoV-2, has had significant negative impacts on the world and global health. Here are some key ways in which COVID-19 has affected the world:

Health Impact: COVID-19 has resulted in millions of infections and deaths worldwide. The virus can cause severe respiratory illness, leading to pneumonia, acute respiratory distress syndrome (ARDS), and in some cases, organ failure and death. The elderly and those with underlying health conditions are particularly vulnerable.

Overwhelmed Healthcare Systems: The rapid spread of COVID-19 has overwhelmed healthcare systems in many countries. Hospitals and medical facilities have faced shortages of beds, medical equipment, and healthcare professionals, leading to challenges in providing adequate care for both COVID-19 patients and other medical conditions.

Economic Impact: The pandemic has caused significant economic disruption globally. Lockdowns, travel restrictions, and business closures have resulted in job losses, reduced incomes, and increased poverty levels. Many industries, such as tourism, hospitality, and retail, have been severely affected. Governments have had to implement stimulus packages to mitigate the economic fallout.

Mental Health Challenges: COVID-19 and the associated measures, such as social distancing and isolation, have contributed to increased levels of stress, anxiety, and depression. The pandemic has disrupted daily routines, limited social interactions, and caused fear and uncertainty, impacting mental well-being on a global scale.

Educational Disruption: School closures and the shift to remote learning have disrupted education for millions of children worldwide. Limited access to technology, resources, and teacher support has exacerbated educational inequalities, affecting the learning outcomes and overall development of students.

Disruption of Healthcare Services: COVID-19 has disrupted routine healthcare services, including non-urgent medical procedures, vaccinations, and screenings. This has led to delays in diagnoses, limited access to essential treatments, and increased risks for other health conditions.

Global Vaccine Inequity: Access to COVID-19 vaccines has been unequal across the world. Many low-income countries have faced challenges in securing an adequate supply of vaccines, leading to slower vaccination rates. This has perpetuated health disparities and hindered global efforts to control the spread of the virus.

Social and Cultural Impacts: COVID-19 has caused significant disruptions to social interactions, cultural events, and celebrations. Travel restrictions and social distancing measures have impacted the ability of people to connect with friends, family, and their wider communities, leading to feelings of isolation and loneliness.

It is important to note that while COVID-19 has had numerous negative impacts, global efforts in vaccination, public health measures, and healthcare system adaptations are crucial in mitigating the effects and working towards a healthier and more resilient future.

2. What does the term "gender" refer to? How is it different from "sex"? Next, differentiate between gender roles, gender identity, and
gender typing.

Answers

sex as characteristics that are biologically defined, whereas gender is based on socially constructed features

Take a few minutes to read my paragraph below, then respond to it with a few sentences. Please give a good detailed respond.
My term paper is taking a look at the solar panel movement and whether the companies that provide the equipment are meeting ESG standards. This article goes hand in hand with my findings so far. It is important to look at all three aspects of the term ESG (environmental, social, and governance). According to this article, companies operating out of Xinjiang are not adhering to two of the three components. Forced labor and withholding employment practices clearly goes against both social and governance standard. Additionally, further research for my term paper argues that even the production of the polysilicon does not meet environmental practices as well. I believe that China will be paying the price in the upcoming years if they do not start to align their business practices with the highly popular ESG standards that are now emerging. Especially since alternate emerging markets are being utilized since the recent failures due to COVID.

Answers

The term paper examines the solar panel movement and whether the firms supplying the equipment adhere to ESG standards (Environmental, Social, and Governance). According to the article, companies operating in Xinjiang are not meeting two of the three ESG elements, particularly governance and social standards.

Withholding employment practices and forced labor contradict social and governance requirements. Further research shows that polysilicon production also does not comply with environmental regulations. As alternate emerging markets are being utilized due to the recent failures due to COVID, China will be paying the price in the upcoming years if they do not align their business practices with the emerging prevalent ESG standards.


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What is the best protection against STDs? *
Yeah
Condoms

Birth Control Pill

Abstinence

Hormonal Birth Control Methods

Answers

Answer: Condoms

Explanation: There is contact but still protection from the organs themselves.

Answer:

Abstinence

Explanation:

Although condoms do help protect against STDs, refraining from sexual activities (AKA remaining abstinent) will almost COMPLETELY protect you from STDs.

Describe. Name two possible out- comes of lying to a friend. How might this affect the friendship?​

Answers

Answer:

Not Trustworthy, and Disrespect

Explanation:

It'll make it harder to trust them.

Muscles must be attached to more than one bone for locomotion

True or False

Answers

Answer:

False

Explanation:

Muscles may need to be attached to other muscles, but they do not need to be attached to multiple bones.

Pick one of our rhyming words or come up with your own. Write another line that ends with this word.

Answers

wait what gimme a word and i gotchew but like i gotta have more info please lol

Perimeter protection, area/space protection, and object/spot protection are categories of?

Answers

Perimeter protection, area/space protection, and object/spot protection are categories of sensing devices.

What are sensing devices?A gadget that can collect data from its surroundings is referred to as a sensing device. Cameras, microphones, heat detectors, chemical detectors, radiation gauges, and wireless receivers of any frequency are just a few examples of sensing equipment (including cellular, WiFi, or other data frequencies).How sensing devices work?It detects input from the physical environment, processes it, and then reacts. The input could take any shape, including motion, heat, light, pressure, wetness, and other environmental elements.What is perimeter protection?

"Perimeter defenses" are the security measures put in place to monitor access to or exit from separate zones, and they often include firewalls.

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exercise makes your body fit are you exercising yes or no if yes how many times in a week how long and what are the exercise you are doing if no you why you are not exercising despite that there are a lot of benefits you could gain in exercise​

Answers

Answer:

no, im not exercising

I tend to be very tired all the time

why exercise when you have 10 homework each day?

SO

no BUT yes

sometimes i exercise only at school, though.

: )

I hoped this answer helped you!

Sorry for my lazy ways

Explanation:

How is using empathy towards someone struggling with a mental illness more beneficial than sympathy? Please answer in complete sentences.

Answers

Answer:

Having sympathy towards someone is just simply feeling bad for someone but empathy, on the other hand, is taking action on those feelings. For example, if someone is sick and you just send a 'get well soon' card that is sympathy but if you actually take them soup then that is empathy.

What is an example of an influence on one’s sense of self? A. social status B.social environment C. intelligence D. physical appearance

Answers

Answer:

idk honestly but i think its D.

Explanation:

Answer:

The actual answer is A- social status

Explanation:

because it said it was the right answer.

PLEASE HELP!
I just cut off one of my toes by accidentally dropping a pizza cutter on it, do I apply pressure or get my cat to lick the blood away? But I also have aids and don’t want to give it to my cat pls help I will mark brainliest

Answers

Hey :)

I don’t think you should get your cat to lick the blood away, it might hurt you more

Apply pressure, and then bandage it up or use a plaster

Hope this helps!

The formation of new neurons is called __________. A. Neurogenesis B. Damage and neural reorganization C. Effects of experience on plasticity D. Development Please select the best answer from the choices provided A B C D.

Answers

The correct answer is A- neurogenesis

Answer:

a

Explanation:

which donor can most safely donate blood to the patient? why?

Answers

Type O negative blood is always in demand since O negative red blood cells may be transfused to anyone, regardless of blood type.

Which blood donors are safe for transfusion, please?

Plasma can be given to anyone with type AB blood. Their plasma may be safely transfused to all blood types since it has neither A nor B antibodies.

Each donor completes a questionnaire to assess their risk of spreading contagious diseases, and every unit of blood donated in the US is routinely tested using FDA-approved tests for a number of infectious disease pathogens.

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Two factors to keep in mind when evaluating an individual's body weight include: a) Age and gender b) Height and weight b) Blood pressure and cholesterol level c) Physical activity and dietary habits d) Occupation and income level

Answers

The two factors to keep in mind when evaluating an individual's body weight are physical activity and dietary habits. The correct answer is option c).

When evaluating an individual's body weight, it is important to consider their physical activity levels and dietary habits as these two factors play a significant role in determining their overall health and well-being.

Age and gender, height and weight, blood pressure and cholesterol levels, and occupation and income level may also provide valuable information, but physical activity and dietary habits are key factors to consider when assessing an individual's body weight.

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If an object was accelerating at 10 m/s and a force of 10 Newton's was required to accelerate it what was the objects mass ?

Answers

Answer:

Khan academy has he awnser for it

Explanation:

Which climate scenario would be best for a healthy climate
future for our grandchildren?
Answer choices below, can only pick one.
RCP2.6
RCP6
RCP4.5
RCP8.5

Answers

Answer:

Of the four Representative Concentration Pathway (RCP) scenarios you provided, RCP2.6 would be the most favorable for a healthy climate future for our grandchildren. RCP2.6 represents a low greenhouse gas emissions scenario, where the concentration of carbon dioxide (CO2) in the atmosphere is stabilized at around 450 parts per million (ppm) by the year 2100. This scenario assumes significant efforts to mitigate climate change through the widespread adoption of renewable energy, energy efficiency measures, and sustainable practices.

Select the correct answer.
You should increase the frequency and duration of an activity before increasing the intensity.
А.
True
B.
False

Answers

The correct answer is false

a client presents at the clinic complaining of a loss of balance. what test should the nurse expect the physician to carry out on a client with a loss of balance?

Answers

The physician may order imaging tests such as a CT scan or MRI to investigate any potential brain or spinal cord abnormalities that may be causing the loss of balance.

As a nurse, when a client presents at the clinic complaining of a loss of balance, the physician may perform several tests to diagnose the underlying cause of this symptom. Some of the tests may include checking the client's vision, hearing, and reflexes. The physician may also perform a neurological examination to assess the client's coordination and balance. Ultimately, the type of test the physician will perform will depend on the client's individual symptoms and medical history.


If a client presents at the clinic complaining of a loss of balance, the nurse can expect the physician to carry out the following tests:

1. Romberg test: The client is asked to stand with feet together, arms by their side, and eyes closed. The physician will observe for any swaying or instability, which may indicate a problem with balance.

2. Dix-Hallpike maneuver: The client is seated and quickly laid back with their head turned to one side. The physician looks for nystagmus (involuntary eye movements) and asks about any dizziness, which may suggest benign paroxysmal positional vertigo (BPPV).

3. Gait assessment: The physician observes the client walking to evaluate their gait and identify any abnormalities that could be contributing to balance issues.

4. Neurological examination: The physician may perform a comprehensive neurological examination to assess the client's sensory and motor functions, reflexes, and coordination, which can help identify underlying causes of balance problems.

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why does a patient with supraventricular paroxysmal tachycardia
benefit from carotid sinus massage?

Answers

Patients with supraventricular paroxysmal tachycardia get  benefit from carotid sinus massage due to its potential to stimulate the carotid sinus and activate the baroreceptor reflex.

This reflex can help restore normal heart rhythm by slowing down the heart rate and interrupting the abnormal electrical signals causing the tachycardia.

Supraventricular paroxysmal tachycardia is a condition characterized by episodes of rapid heart rate originating from above the ventricles. Carotid sinus massage is a non-invasive technique that involves applying gentle pressure to the carotid sinus, a sensitive area located in the carotid artery in the neck. This pressure can stimulate the carotid sinus, which contains baroreceptors - specialized nerve endings that detect changes in blood pressure.

When carotid sinus massage is performed, the stimulation of the baroreceptors triggers the baroreceptor reflex. This reflex is a protective mechanism that aims to regulate blood pressure and heart rate. Stimulation of the baroreceptors sends signals to the brain, which responds by decreasing sympathetic activity (which increases heart rate) and increasing parasympathetic activity (which slows down heart rate). As a result, the heart rate is slowed, and the abnormal electrical signals causing the tachycardia may be interrupted.

In conclusion, carotid sinus massage can benefit patients with supraventricular paroxysmal tachycardia by stimulating the carotid sinus and activating the baroreceptor reflex. This reflex helps restore normal heart rhythm by slowing down the heart rate through the modulation of sympathetic and parasympathetic activity. However, it's important to note that carotid sinus massage should only be performed by trained healthcare professionals under appropriate clinical circumstances.

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many medical devices are designed using the electromagnetic spectrum. which type of electromagnetic wave has enough energy to kill cancer cells?

Answers

Answer:

gamma rays because of the length of the wave

Which food should be stored above the others in a refrigerator cooked bacon?

Answers

Answer:

store raw food like meat ,poultry, fish, sausage excetera in the bottom part of the fridge so that juices cannot drip on food below

How did you solve business problems during the early years of your business operation ?

Answers

Answer:

I've solved them by talking it over with my team, doing my research and, finding solution the get me back on my feet

Explanation:

It helps the operation grow

To solve business problems during the early years of business operation, one can talk with those that are experienced or look for what caused the problem and resolve it.

For entrepreneurs, there are numerous challenges that one can face when the individual goes into the business newly.

One of such challenges might be the lack of customers at the initial stage. It's important for the person to be calm and continue doing the right thing.

Furthermore, one can talk to the other entrepreneurs that have been in the business for a long time in order to seek advice from them which one can use in the business.

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What percentage of all shop injuries occur to the eyes?

Answers

The percentage of all shop injuries that occur to the eyes is 15%

What is an Injury?

Your body can be damaged by an injury. It is a generic phrase that covers hurt brought on by mishaps, hits, falls, weapons, and more. Every year, millions of Americans hurt themselves. These wounds range in severity from mild to fatal.

Hence, the statistical percentage that was discovered after surveys were made about shop injuries is that the ones that affect the eyes are 15%

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The exact percentage shop injuries that occur to the eyes could about 15% and mostly would depend on the industry, type of work being performed, and the specific conditions of the workplace.

What are shop injuries?

Shop injuries is described as a broad term used to describe personal injuries that occur while visiting a store, shopping mall, or another retail establishment.

Many shop-related injuries are minor, and the more serious injuries may include broken bones, sprains, head trauma, neck injury, spinal injury, and even death.

It is important for workers to protect their eyes and face by wearing proper personal protective equipment, such as safety glasses or face shields, and to follow safe work practices to prevent eye injuries on the job.

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The Clostridium bacteria actually makes a can of food bulge in the top. What kind of toxin does it produce?
A. toxin as a gas
B. harmless toxin
C. healthy toxin

The Clostridium bacteria actually makes a can of food bulge in the top. What kind of toxin does it produce?

Answers

Answer:

C. healthy toxin

Explanation:

While healthy toxins may sound like a good thing. They aren't. Healthy/natural toxins are toxins that are naturally produced by organisms, in this case, the Clostridium bacteria. Yet, the toxins in Clostridium bacteria can cause muscle paralysis and even death.

The kind of toxin that  Clostridium bacteria produce is a toxin as a gas. Thus, the correct option for this question is A.

What are the harmful significances of Clostridium bacteria?

The harmful significances of Clostridium bacteria are determined by the fact that they produce numerous toxins in food or wounds that are ultimately responsible for various diseases of food poisoning and nerve disorders.

When Clostridium botulinum is permitted to grow, it will definitely stimulate cans to bulge out. If you have any bulging cans in your storage, try to reject them or discard the same immediately. This is because it primarily consists of severe toxins that may affect your body adversely. They are typically known for food-borne illnesses.

Therefore, the kind of toxin that Clostridium bacteria produce is a toxin as a gas. Thus, the correct option for this question is A.

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List reasons why one becomes obese?

Answers

1. Diet. Diet and lifestyle factors contribute to development of obesity and overweight.

2: Physical activity. Lack of physical activity is another important factor related to obesity.

3: Genetics. There are some genes associated with obesity and overweight.

4: Medical reasons. In some cases, underlying medical conditions may contribute to weight gain.

5: Health Conditions and Medications. Some hormone problems may cause overweight and obesity.
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Find a quadratic equation which has solutions x=square root of 10and x=-square root of 10. Write the quadratic form in the simplest standard form x^2+bx+c The imaginary, vertical plane that cuts through the body in such a manner as to divide it into two symmetrical halves is referred to as the As a fish jumps vertically out of the water, assume that only two significant forces act on it: an upward force F exerted by the tail fin and the downward force due to gravity. A record Chinook salmon has a length of 1.50 m and a mass of 46.0 kg. If this fish is moving upward at 3.00 m/s as its head first breaks the surface and has an upward speed of 5.80 m/s after two-thirds of its length has left the surface, assume constant acceleration and determine the following.a. The salmon's acceleration b. The magnitude of the force F during this interval N In which conflict was containment successful what do we know about enrolling children in preschools before they begin formal schooling (which usually takes place at around 5 or 6 years of age)? Question 8 3.5 points Save Answer The mechanical energy of a projectile at the point of release (where the reference point for zero potential is the point of release) is 20). What will be the mechanical energy at the maximum height? less than 20 greater than 20) equal to 20) it could be less or greater than 20 depending on the launch angle Find the area under the graph of the function over the interval given. y=x; [1,4] The area under the curve is (Simplify your answer.) Select the answer that accurately describes why a coastal mountain range has different climates on the windward (windfacing) and leeward (windsheltered) sides. a. Ocean winds become cooler as they travel up the windward slope, causing water vapors to condense as rain. The air is dry when it reaches peak elevations and it becomes warmer as it descends the leeward slope. b. Ocean winds become cooler as they travel up the windward slope. The humid air becomes warmer as it descends the leeward slope, causing water vapors to condense as rain. c. Ocean winds become warmer as they travel up the windward slope. The humid air becomes cooler as it descends the leeward slope, causing water vapors to condense as rain. d. Ocean winds become warmer as they travel up the windward slope, causing water vapors to condense as rain. The air is dry when it reaches peak elevations and it becomes cooler as it descends the leeward slope. Please answer the question of saying yes or no.1) Does life exist on Mars?2) Is Classical music better than Rock? 3) Do angels exist?4) Is affirmative action a good idea?5) Does affirmative action result in a greater percentage of minority graduates? FILL IN THE BLANK. nonforfeiture rights guarantee that a policy owner will not lose his or her policys _____. solve this for me i will make you brainliest what are the major environmental challenges to the conifers growing in these parts of the world? let p(n) be the statement that 1^3 +2^3+ 3^3 ... +n^3 = (n(n 1)2)^2 for the positive integer n. we will have completed the basis step of the proof if we show that a flour company in minneapolis wants to know what percent of local households bake at least twice a week. A company representative calls 500 randomly selected local households from 8am to 5pm during the week and finds that 56% of them bake at least twice a week The cost c In $ of producing x items is in the equation c=x/7+1. Which of the following choices will find the cost c if x is 35? What is GDP? Provide US GDP statistics & contribution(%) of IT Industry towards the GDP for the last 5 years. Explain the different types of computerized patient records. Explain each of them with an example?kindly could you explain and every question clearly instead of writing it on paper please could you type that would be really helpful? how to solve an angle in a triangle with two sides given Explain why the terms 14w^3 and 14z^3 are not like terms. How do the key details in the passage develop the central idea that a persuasive speaker? helpppppppppppppppppppppppp