Endocrine System Test C

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  • 1/20 Questions
    What gland is shown below? - ProProfs

    What gland is shown below?

    • Thyroid gland
    • Pineal gland
    • Testes
Please wait...
Endocrine System Test C - Quiz
About This Quiz

Endocrine System Test C assesses knowledge on hormone functions, feedback mechanisms, and glandular structures. It evaluates understanding of hormonal regulation in the human body, critical for students in biology and physiology.

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  • 2. 
    These boys have dwarfism because of low levels of which hormone? - ProProfs

    These boys have dwarfism because of low levels of which hormone?

    • Adrenaline

    • Growth hormone

    Correct Answer
    A. Growth hormone
    Explanation
    Dwarfism is a condition characterized by abnormally short stature. In this case, the boys have dwarfism due to low levels of growth hormone. Growth hormone plays a crucial role in the growth and development of bones and tissues. Insufficient levels of growth hormone can result in impaired bone growth and lead to dwarfism. Adrenaline, on the other hand, is a hormone responsible for the body's response to stress and does not directly affect growth.

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  • 3. 

    The main purpose of the endocrine system is to:

    • Help fight diseases

    • Regulate body function through hormones

    • Control blood pressure levels

    Correct Answer
    A. Regulate body function through hormones
    Explanation
    The endocrine system is responsible for regulating various body functions through the secretion of hormones. Hormones act as chemical messengers that travel through the bloodstream to target cells or organs, where they help to maintain homeostasis, regulate growth and development, and control various physiological processes. While the endocrine system indirectly contributes to fighting diseases by maintaining overall health and balance within the body, its primary purpose is to regulate body function through the release and control of hormones.

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  • 4. 
    Letter D shows which gland? - ProProfs

    Letter D shows which gland?

    • Testes

    • Ovaries

    • Pancreas

    Correct Answer
    A. Testes
    Explanation
    The letter D in the given options represents the testes. The testes are the male reproductive glands that produce sperm and testosterone. They are responsible for the production of male sex hormones and the development of secondary sexual characteristics in males.

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  • 5. 

    Which of the following is NOT a risk factor for Type II diabetes?

    • Being overweight

    • Lack of exercise

    • Dry skin

    Correct Answer
    A. Dry skin
    Explanation
    Dry skin is not a risk factor for Type II diabetes because it is not directly related to the development or progression of the disease. Type II diabetes is primarily caused by factors such as being overweight and lack of exercise, which can lead to insulin resistance. Dry skin, on the other hand, is often caused by external factors such as weather conditions or skin conditions, and does not have a direct impact on the development of diabetes.

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  • 6. 

    When a hormone's levels are too high, negative feedback causes:

    • The glands to stop producing the hormone

    • The glands to produce more of the hormone

    Correct Answer
    A. The glands to stop producing the hormone
    Explanation
    When a hormone's levels are too high, negative feedback causes the glands to stop producing the hormone. This is because negative feedback is a regulatory mechanism that aims to maintain homeostasis in the body. When hormone levels are too high, the body recognizes this imbalance and signals the glands to stop producing more of the hormone to restore equilibrium. By halting production, the body can prevent an excessive buildup of the hormone and maintain a stable hormonal balance.

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  • 7. 

    The organ that secretes insulin to help regulate blood sugar is the:

    • Pineal gland

    • Thyroid gland

    • Pancreas

    Correct Answer
    A. Pancreas
    Explanation
    The pancreas is the organ that secretes insulin to help regulate blood sugar. Insulin is a hormone that allows cells to take in glucose from the bloodstream and use it as a source of energy. When blood sugar levels rise, the pancreas releases insulin to lower them by promoting the uptake of glucose by cells. This helps to maintain stable blood sugar levels and prevent hyperglycemia. The pineal gland is responsible for producing melatonin, while the thyroid gland produces hormones that regulate metabolism.

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  • 8. 

    Which type of diabetes tends to affect children and is referred to as "juvenile diabetes"?

    • Type I

    • Type II

    Correct Answer
    A. Type I
    Explanation
    Type I diabetes tends to affect children and is commonly referred to as "juvenile diabetes" because it usually develops in childhood or adolescence. It is an autoimmune condition where the body's immune system mistakenly attacks and destroys the insulin-producing cells in the pancreas. This results in a lack of insulin production, leading to high blood sugar levels. Type I diabetes requires lifelong insulin therapy to manage blood sugar levels and prevent complications.

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  • 9. 

    Type II diabetes is caused by:

    • Genetics and lifestyle choices

    • An autoimmune disorder

    • A viral infection

    Correct Answer
    A. Genetics and lifestyle choices
    Explanation
    Type II diabetes is caused by a combination of genetics and lifestyle choices. While genetics play a role in predisposing individuals to develop the condition, lifestyle factors such as poor diet, lack of physical activity, and obesity also contribute significantly. People with a family history of diabetes are more likely to develop the condition, but their lifestyle choices can either increase or decrease their risk. Therefore, it is important to maintain a healthy lifestyle to prevent or manage Type II diabetes.

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  • 10. 

    Which type of diabetes is most common?

    • Type I

    • Type II

    Correct Answer
    A. Type II
    Explanation
    Type II diabetes is the most common type of diabetes. It occurs when the body becomes resistant to the effects of insulin or doesn't produce enough insulin to maintain normal blood sugar levels. This type of diabetes is often associated with lifestyle factors such as obesity, poor diet, and lack of physical activity. It is more prevalent in adults, but can also occur in children and adolescents. Unlike Type I diabetes, Type II diabetes can often be managed with lifestyle changes, oral medications, and sometimes insulin therapy.

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  • 11. 
    Sometimes, a person who is overweight has trouble regulating their metabolism. This person has an issue with which organ? - ProProfs

    Sometimes, a person who is overweight has trouble regulating their metabolism. This person has an issue with which organ?

    • Testes

    • Pineal gland

    • Thyroid gland

    Correct Answer
    A. Thyroid gland
    Explanation
    The thyroid gland is responsible for regulating metabolism in the body. When a person is overweight and has trouble regulating their metabolism, it suggests that there may be an issue with the thyroid gland. The thyroid gland produces hormones that control metabolism, so any dysfunction or imbalance in the gland can lead to difficulties in weight management.

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  • 12. 

    What does adenosine do in the brain?

    • Builds up as we use energy, which makes you tired

    • Indicates that we are stressed

    • Indicates that we are sick

    Correct Answer
    A. Builds up as we use energy, which makes you tired
    Explanation
    Adenosine is a molecule that accumulates in the brain as we use energy. It acts as a natural sedative by binding to specific receptors, leading to drowsiness and fatigue. Therefore, the buildup of adenosine in the brain is responsible for making us feel tired.

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  • 13. 
    The caffeine in this beverage will help a person stay up late because: - ProProfs

    The caffeine in this beverage will help a person stay up late because:

    • Caffeine blocks adenosine from being received in the brain

    • Caffeine increases the amount of adenosine

    • Caffeine increases our cortisol levels

    Correct Answer
    A. Caffeine blocks adenosine from being received in the brain
    Explanation
    Caffeine blocks adenosine from being received in the brain, which helps a person stay up late. Adenosine is a neurotransmitter that promotes sleep and relaxation. By blocking its reception, caffeine prevents the feeling of drowsiness and keeps a person awake.

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  • 14. 
    Holly has had a hard time concentrating and is feeling really anxious.  Her hand is starting to shake and she says she hasn’t eaten all day.  You measure her blood sugar and find it is low. Diagnose this patient. - ProProfs

    Holly has had a hard time concentrating and is feeling really anxious.  Her hand is starting to shake and she says she hasn’t eaten all day.  You measure her blood sugar and find it is low. Diagnose this patient.

    • Hypothyroidism

    • Hypoglycemia

    • Addison's disease

    Correct Answer
    A. Hypoglycemia
    Explanation
    Based on the symptoms described, such as difficulty concentrating, anxiety, shaking hand, and not having eaten all day, along with the low blood sugar measurement, the most likely diagnosis for this patient is hypoglycemia. Hypoglycemia refers to low blood sugar levels, which can cause various symptoms including shakiness, anxiety, and difficulty concentrating.

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  • 15. 

    A patient comes in complaining about the timing of her periods.  She says they only happen every few months.  She has some acne on her face and upper back and appears to be overweight. Diagnose this patient.

    • Addison's disease

    • Hypoglycemia

    • Polycystic ovary syndrome

    Correct Answer
    A. Polycystic ovary syndrome
    Explanation
    Based on the symptoms described, the patient is likely suffering from polycystic ovary syndrome (PCOS). PCOS is a hormonal disorder that affects women of reproductive age, causing irregular periods, acne, and weight gain. The patient's complaint of infrequent periods, along with the presence of acne and being overweight, are all common signs of PCOS.

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  • 16. 
    This person probably has: - ProProfs

    This person probably has:

    • Low levels of adenosine

    • High levels of cortisol

    • Low levels of cortisol

    Correct Answer
    A. High levels of cortisol
    Explanation
    This person probably has high levels of cortisol. Cortisol is a hormone released by the adrenal glands in response to stress. High levels of cortisol can indicate chronic stress or an overactive stress response. This can lead to various symptoms such as anxiety, irritability, and difficulty sleeping.

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  • 17. 

    Caffeine blocks the receptors for what hormone?

    • Adenosine

    • Adrenaline

    • Estrogen

    Correct Answer
    A. Adenosine
    Explanation
    Caffeine blocks the receptors for adenosine. Adenosine is a hormone that plays a role in promoting sleep and relaxation. By blocking the receptors for adenosine, caffeine prevents its effects, leading to increased alertness and wakefulness.

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  • 18. 
    Thomas comes in complaining about feeling sick and tired.  He has lost a lot of weight, seems to feel pain in his muscles, and has been throwing up.  His muscles seem weak and he has difficulty standing up.  Diagnose this patient. - ProProfs

    Thomas comes in complaining about feeling sick and tired.  He has lost a lot of weight, seems to feel pain in his muscles, and has been throwing up.  His muscles seem weak and he has difficulty standing up.  Diagnose this patient.

    • Hypothyroidism

    • Addison's disease

    • Hypoglycemia

    Correct Answer
    A. Addison's disease
    Explanation
    Based on the symptoms described, the patient is experiencing weight loss, muscle pain, vomiting, weakness, and difficulty standing up. These symptoms are consistent with Addison's disease, a condition characterized by the inadequate production of hormones by the adrenal glands. This can lead to a deficiency in cortisol and aldosterone, resulting in various symptoms including weight loss, muscle pain, nausea, weakness, and low blood pressure. Hypothyroidism and hypoglycemia may present with some similar symptoms, but the combination of symptoms described in the question points towards Addison's disease as the most likely diagnosis.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 10, 2013
    Quiz Created by
    Rlabov
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