Tar contained in tobacco smoke is harmful to the lungs because it
a) clogs the blood vessels.
b) is a stimulant.
c) paralyzes cilia.
d) is addictive.

Answers

Answer 1

Tar contained in tobacco smoke is harmful to the lungs because it paralyzes cilia, the correct option is (c).

The paralyzing effect of tar on the cilia is one of the primary ways that tobacco smoke damages the lungs and causes significant health problems. The human respiratory system has a natural defense mechanism that prevents harmful substances from entering the lungs.

The airways are lined with tiny hair-like structures called cilia that move in a coordinated way to sweep mucus and trapped particles out of the lungs. However, when tobacco smoke is inhaled, the tar particles contained in the smoke adhere to the cilia, causing them to become paralyzed and unable to function properly, the correct option is (c).

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Related Questions

Which of the following is NOT a healthy way to express yourself?
A.
keeping a journal
B.
being creative
C.
talking to others
D.
fighting to release energy


Please select the best answer from the choices provided.

A
B
C
D

Answers

Answer:

D

Explanation:

D Is the least healthy way to express yourself

A method of treating food with heat to kill or slow the growth of pathogens is cross-contamination.

Answers

Answer:

the spreading of pathogens from one food to another.

Explanation:

Please help me ‍‍‍‍‍‍‍

Please help me

Answers

It’s c or b I thinkikkkk

Answer:

B

Explanation:

because wheb we use reusable grocery bags then we are saving the planet

When a patient is concern about the radiation in xrays what does a dental assistant tell them

Answers

As a dental assistant, when a patient expresses concern about the radiation in x-rays, it is important to reassure them that the amount of radiation they will be exposed to is minimal and safe.

The American Dental Association recommends that patients receive dental X-rays as needed, which may vary depending on the patient's age, oral health status, and risk for developing dental problems. It is important to explain that dental X-rays emit a low level of radiation, and modern equipment and techniques minimize the amount of radiation exposure.

Patients can also wear protective aprons and collars to further reduce their exposure. Finally, it is important to remind patients that the benefits of early detection and treatment of dental problems far outweigh the small risk of radiation exposure.

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The complete question is:

When a patient is concerned about the radiation in x-rays, what should a dental assistant tell a patient who expresses concern about the radiation in x-rays?

Which of the following options is correct?
Renal calculi contain crystallized calcium, magnesium, and uric acid. Explain why patients with hyperparathyroidism would be at risk for developing renal calculi.
a. Hyperparathyroidism increases the amount of mineralocorticoids produced, which increases the level of magnesium in the blood. The excess magnesium is filtered out in the kidneys and can precipitate into renal calculi.
b. Hyperparathyroidism decreases the amount of antidiuretic hormone produced which leads to more concentrated urine and precipitation of minerals.
c. Hyperparathyroidism increases the amount of calcitonin produced, which increases the level of calcium in the blood. The excess magnesium is filtered out in the kidneys and can precipitate into renal calculi.
d. Hyperparathyroidism increases the amount of parathyroid hormone produced, which increases the level of calcium in the blood. The excess magnesium is filtered out in the kidneys and can precipitate into renal calculi.

Answers

Patients with hyperparathyroidism are at an increased risk of developing renal calculi due to the excess production of parathyroid hormone (PTH), as stated in option d.

Hyperparathyroidism is a condition characterized by the overactivity of the parathyroid glands, leading to abnormally high levels of PTH in the blood. PTH plays a crucial role in regulating calcium levels in the body. In hyperparathyroidism, the increased PTH levels stimulate the release of calcium from the bones into the bloodstream, resulting in hypercalcemia.

The excess calcium in the blood can be filtered by the kidneys and excreted in the urine. However, when the concentration of calcium in the urine becomes too high, it can combine with other substances like oxalate, phosphate, or uric acid to form crystals. These crystals can aggregate and form renal calculi (kidney stones). Calcium-containing stones are the most common type of renal calculi.

Therefore, the increased production of PTH in hyperparathyroidism leads to elevated calcium levels in the blood, which can be filtered by the kidneys and contribute to the formation of renal calculi. It is important for patients with hyperparathyroidism to manage their condition and monitor their calcium levels to minimize the risk of developing kidney stones.

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Patients with hyperparathyroidism are at an increased risk of developing renal calculi due to the excess production of parathyroid hormone (PTH), as stated in option d.

Hyperparathyroidism is a condition characterized by the overactivity of the parathyroid glands, leading to abnormally high levels of PTH in the blood. PTH plays a crucial role in regulating calcium levels in the body. In hyperparathyroidism, the increased PTH levels stimulate the release of calcium from the bones into the bloodstream, resulting in hypercalcemia.

The excess calcium in the blood can be filtered by the kidneys and excreted in the urine. However, when the concentration of calcium in the urine becomes too high, it can combine with other substances like oxalate, phosphate, or uric acid to form crystals. These crystals can aggregate and form renal calculi (kidney stones). Calcium-containing stones are the most common type of renal calculi.

Therefore, the increased production of PTH in hyperparathyroidism leads to elevated calcium levels in the blood, which can be filtered by the kidneys and contribute to the formation of renal calculi. It is important for patients with hyperparathyroidism to manage their condition and monitor their calcium levels to minimize the risk of developing kidney stones.

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A parent brings a child to the health care provider's office because the child reports pain, redness, and tenderness of the left index finger. The child is diagnosed with paronychia. Which organism is the most likely cause of this superficial abscess of the cuticle?

Answers

Paronychia is a common infection of the skin that surrounds a fingernail. The most common organism causing paronychia is Staphylococcus aureus, which is a Gram-positive bacterium that commonly colonizes the skin and mucous membranes of humans.

Other potential causative agents include other bacteria, such as Streptococcus pyogenes, Pseudomonas aeruginosa, and anaerobic bacteria. In some cases, a fungal infection may also be the cause of paronychia. The diagnosis is usually made based on clinical findings, and treatment typically involves incision and drainage of the abscess and/or administration of antibiotics, depending on the severity of the infection .

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What conclusion can be drawn from this table? 1) People can calculate caloric output from the foods they eat. 2) People can critique the quality of nutrients they consume in a diet. 3) People can quantify the percentage water received from eating food. 4) People can identify the most effective food for reducing chronic disease risk.

What conclusion can be drawn from this table? 1) People can calculate caloric output from the foods they

Answers

Answer:

B. People can critique the quality of nutrients they consume in a diet.

Explanation:

Did the Unit Test Review on Edge :) Hope this helps!

Answer:

B

Explanation:

Edg 2020

The nurse anticipates an order for a glucocorticoid when caring for a client with what condition?

Answers

The nurse anticipates an order for a glucocorticoid when caring for a client with certain conditions. Glucocorticoids are a type of steroid hormone that have anti-inflammatory and immunosuppressive effects.

Asthma: Glucocorticoids are commonly prescribed as inhalers or oral medications to reduce airway inflammation and improve breathing in individuals with asthma. Allergic reactions: Glucocorticoids can be used to manage severe allergic reactions by reducing inflammation and suppressing the immune response. Rheumatoid arthritis: Glucocorticoids may be prescribed in combination with other medications to reduce inflammation and pain in individuals with rheumatoid arthritis. Inflammatory bowel disease (IBD): Glucocorticoids can help manage symptoms of IBD, such as Crohn's disease and ulcerative colitis, by reducing inflammation in the gastrointestinal tract. Lupus: Glucocorticoids are often prescribed to individuals with lupus to control inflammation and minimize symptoms.

Organ transplant: Glucocorticoids may be used after organ transplant surgeries to prevent rejection by suppressing the immune system. Dermatological conditions: Topical glucocorticoids can be used to treat skin conditions such as eczema, psoriasis, and allergic rashes. It is important to note that the use of glucocorticoids should be carefully monitored and prescribed by a healthcare professional, as they can have potential side effects and should not be used long-term without medical supervision.

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AP3X: Why does your exercise program need to be updated occasionally?
A - To ensure that you are not getting bored with your workouts and to maintain motivation
B - To ensure that you are constantly engaging your body in a way that improves its function
C - To give you a wide range of exercise experience in order to find out what you are most interested in
D - To exercise different muscle groups
URGENT I WILL GIVE BRAINLIEST TO THOSE WHO ANSWER IN FIVE MINUTES

Answers

Answer:

B. To ensure that you are constantly engaging your body in a way

that improves its function,

Explanation:

B to ensure that you are constantly engaging your body in a way that improves its function

have you ever dealt with someone difficult how did you handle the situation example

Answers

When dealing with difficult individuals, active listening, empathy, and maintaining composure are key. Finding common ground and seeking assistance if needed can also help resolve the situation.

As an AI language model, I don't have personal experiences or interactions, so I haven't dealt with difficult individuals directly. However, I can provide some general guidance on handling difficult situations:

1. Active listening: When dealing with a difficult person, it's important to actively listen to their concerns and perspectives without interrupting. This shows respect and can help defuse the situation.

2. Empathy and understanding: Try to understand the underlying reasons for the person's behavior. Empathize with their emotions and demonstrate that you genuinely care about finding a resolution.

3. Remain calm and composed: It's crucial to maintain your composure and not let their difficult behavior affect your own emotions. Responding with patience and a calm demeanor can help de-escalate the situation.

4. Find common ground: Look for areas of agreement or common goals to build a rapport with the person. Finding shared interests can create a foundation for more constructive communication.

5. Seek assistance if needed: If the situation becomes too challenging to handle alone, involve a mediator, supervisor, or someone who can help facilitate a resolution.

It's important to note that each difficult situation is unique, and the approach may vary depending on the context and individuals involved.

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DAY ONE TOTAL EXPENDED
ACTIVITY CALORIES???

DAY ONE TOTAL EXPENDEDACTIVITY CALORIES???

Answers

I’m not sure which is day one but I did both so one of them is correct

153
Or
508
Calories

What are the two types o messaging systems in the human body? What is homeostasis?​

Answers

Answer:

Humans have two types of communication systems. These are the nervous system and the endocrine (hormone) system. These systems regulate body processes through chemical and electrical signals that pass between cells. The pathways for this communication are different for each system.

Explanation:

the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.

how many calories is in a taco bell chicken quesadilla

Answers

497 calories HAHAHAHAAHAH

1 pts
Question 4
What is the term for hospitals where patients stay while they receive diagnosis,
treatment, surgery, and therapy?

Answers

i think it is treatment
Acute care may require a stay in hospital emergency department, ambulatory surgery centre, urgent care centre or other short term stay facilities.

why should teachers sustain a healthy lifestyle (mental and physical health)??????

Answers

Answer:

So they can teach better?

Explanation:

Teachers deserve a healthy lifestyle so they can be at their best performance for teaching.

Answer:

a teachers mental and physical health effects the students they are teaching on a daily basis, if a teacher has bad physical or mental health it can put a halt in or make the teachers, teaching capabilities more difficult therefore if the teacher does not maintain a healthy lifestyle just as a student is expected it not only effects the teacher negatively but also affects the students learning capabilities.

Explanation:

literally didn't do any research it's just logic.

what foods are eatable and in the wilderness / what medicine can you make in the wilderness

Answers

Answer:

trick question almost all the foods in the wilderness is poison, you can make herbal medicine

I know this isn't meant for brainly, but I am stressing about this. I have a guy in my class who makes my heart race, but I don't have a crush on him, and I want to stay single forever. But I just cannot stop thinking about him, and he already might have a girlfriend. What should I do???

Answers

talk to him if anything you’ll forget about it in 5 years

How does exercise affect your heart rate and breathing rate?

Answers

Answer:

During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.

Explanation:

carbon dioxide is removed

Answer:

Your moving and that helps blood circulating faster.

Explanation:

What two factors can differ the MyPyramid Food Plan from different people?

Answers

Answer:

The search to change America's food has a new symbol. In June, uh... The plate is divided into four unequal parts, depicting various classes of foods. ... One of the good facts about MyPlate is that it does not need meat to be used. ... Most individuals are ignorant of the distinction between serving and serving.

Explanation:

Is relaxation a valid strategy for reducing stress? why or why not?​

Answers

Relaxation techniques are a great way to help with stress management. Relaxation isn't only about peace of mind or enjoying a hobby. It's a process that decreases the stress effects on your mind and body. Relaxation techniques can help you cope with everyday stress.

Hope this helps.

write any two importance of simple machine​

Answers

Answer:

Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities. Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge and lever. There are three ways simple machines make work easier: by increasing the distance through which force is applied, by changing the direction of applied force, or by multiplying force of speed of the energy applied.

Explanation:

Ben is a manager and has many responsibilities to fulfill. what should he do to maintain a proper work-life balance?

Answers

Answer:

If we're talking about reducing stress, "Ben" could take up side hobbies that give him stress relief for example; yoga, a fitness program, or even a book club. Ben could also participate in daily breathing exercises which would help with blood flow and stress.

Explanation:

Hope this helps :)

Which endocrine gland secretes hormones that regulate metabolism?

Answers

Answer: Adrenal gland.

Explanation: The adrenal glands make and release corticosteroid hormones and epinephrine that maintain blood pressure and regulate metabolism.

Hope it helps

Why is the topic of ethical and legal considerations important for healthcare information?.

Answers

The topic of ethical and legal considerations is important for healthcare information because to give the patient the information he needs to decide what is best for him.

The right of patients to know the truth about their medical condition and the ability to select a course of treatment is guaranteed by the ethical code of conduct for healthcare practitioners. For the patient to make decisions that are in his best interest, information must be clear and sufficient.

When the patient, the patient's family, and the healthcare provider disagree on the proper course of treatment, ethical and legal quandaries result. The ethics of beneficence (doing good) and autonomy (following the patient's preferences) may conflict in the mind of a medical professional. If a remedy cannot be found, a court may be required to make a decision.

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__________ occurs when women or men begin to believe systemically received negative messages about their own sex.

Answers

Women's oppression was the subject of the original research that coined the term internalized sexism. However, internalized sexism also occurs among men who have internalized beliefs about the superiority of their sex or gender. In conclusion, Internalized sexism occurs when women or men begin to believe systemically received negative messages about their own

The term that occurs when women or men begin to believe systemically received negative messages about their own sex is referred to as internalized sexism. Internalized sexism refers to the process whereby a person or group comes to accept society's negative attitudes and beliefs about their sex or gender. It is the internalization of sexist attitudes that can cause people to feel powerless or inferior and contribute to sexist behavior or discrimination against others.Generally, internalized sexism has been used to refer to women who have internalized beliefs that they are inferior to men. Women's oppression was the subject of the original research that coined the term internalized sexism. However, internalized sexism also occurs among men who have internalized beliefs about the superiority of their sex or gender. In conclusion, Internalized sexism occurs when women or men begin to believe systemically received negative messages about their own sex.

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how one remains properly hydrated during exercise and why it is important.

Answers

a sample response:
it is important to drink water before, during, and after exercise in order to keep the body from dehydrating, especially in hot weather. one should also avoid drinking large amounts of water at one time as well as sugary sports drinks.

Which exposure accounts for most cases of copd?

Answers

Smoking, including both active smoking and secondhand smoke, is the main cause of COPD, accounting for the majority of cases worldwide. Occupational exposures and genetic factors also contribute to a lesser extent.

The primary cause of chronic obstructive pulmonary disease (COPD) is long-term exposure to cigarette smoke, including both active smoking and secondhand smoke. Smoking is responsible for the majority of COPD cases worldwide. When individuals inhale smoke, it irritates and damages the airways, leading to inflammation, mucus production, and progressive narrowing of the air passages. Over time, this chronic inflammation and structural damage result in the development of COPD.

While smoking is the primary risk factor, other exposures can contribute to COPD as well, including occupational exposure to certain dusts, chemicals, and fumes. This is commonly seen in industries such as mining, construction, and manufacturing.It's worth noting that genetic factors and respiratory infections also play a role in COPD development, but they are less common compared to smoking and occupational exposures. Quitting smoking and avoiding occupational hazards are crucial preventive measures to reduce the burden of COPD.



Therefore, Smoking, including both active smoking and secondhand smoke, is the main cause of COPD, accounting for the majority of cases worldwide. Occupational exposures and genetic factors also contribute to a lesser extent.

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Which of the following profiles is considered a risk factor with respect to obesity?a) BMI >25 for malesb) Waist of 32 inches for femalesc) Waist of 40 inches for malesd) BMI of 28 for females

Answers

All of the provided options can be considered risk factors with respect to obesity, as they indicate an increased likelihood of being overweight or obese.

However, to determine the most significant risk factor, we need to consider the available information and the relative importance of different indicators of obesity.

BMI (Body Mass Index) is a widely used measure of body weight relative to height. Option a) indicates a BMI greater than 25 for males, which is generally considered overweight. While this is a risk factor, it does not provide specific information about fat distribution or the location of excess weight in the body.

Options b) and c) refer to waist measurements, which are indicators of central obesity or excess abdominal fat. Excessive abdominal fat is associated with a higher risk of various health problems, including metabolic disorders, cardiovascular diseases, and obesity-related complications. A waist circumference of 32 inches for females (option b) and 40 inches for males (option c) suggests a higher likelihood of central obesity and related health risks.

Option d) refers to a BMI of 28 for females, which falls within the overweight category. This indicates an increased risk of obesity-related health problems, but it does not provide information about fat distribution or the concentration of excess weight.

Considering the information provided, the most significant risk factor for obesity would be option c) - a waist measurement of 40 inches for males. This suggests the presence of significant abdominal fat accumulation, which is closely associated with an increased risk of obesity-related health issues. However, it is important to note that multiple factors contribute to obesity, and a comprehensive assessment of an individual's health status should consider various indicators, including BMI, waist circumference, and overall health factors.

Hence, all the given options are correct.

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getting the "wind knocked out" of you is characteristic of a:____.

Answers

Getting the "wind knocked out" of you is characteristic of a diaphragm spasm.

When the phrase "getting the wind knocked out of you" is used, it typically refers to a sudden and involuntary spasm or contraction of the diaphragm muscle, which is the primary muscle responsible for breathing. This can occur due to a sudden impact or blow to the abdomen or chest area, such as falling or being hit in that region. During a diaphragm spasm, the diaphragm temporarily contracts and causes a sensation of breathlessness or inability to breathe in or out. This can be accompanied by a feeling of pressure, discomfort, or pain in the chest or upper abdominal area.

While the experience can be alarming, the sensation is usually temporary and resolves on its own as the diaphragm muscle relaxes. Taking slow, deep breaths or leaning forward can sometimes help alleviate the discomfort and restore normal breathing. However, if the symptoms persist or are accompanied by severe pain or other concerning symptoms, it is advisable to seek medical attention to rule out any potential injuries or complications.

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What is physical fitness? A. the improvement of the body through intentional movement B. the speed at which the body moves during exercise C. the ability of the body to function efficiently during exercise D. the performance of muscles for long periods of time

Answers

Answer:

Physical fitness is generally achieved through proper nutrition, moderate-vigorous physical exercise, and sufficient rest.  C.

Answer: the right answer is A

Explanation:

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