Function Of The Endocrine System Quiz

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Endocrine Quizzes & Trivia

2year medicine xmas exam.


Questions and Answers
  • 1. 

    What substance is required to decrease the blood glucose levels?

    • A.

      Glycogen

    • B.

      Proteins

    • C.

      Glucagon

    • D.

      Insulin

    Correct Answer
    D. Insulin
    Explanation
    Insulin is the correct answer because it is a hormone produced by the pancreas that plays a crucial role in regulating blood glucose levels. Insulin helps to decrease blood glucose levels by allowing cells in the body to take in glucose from the bloodstream and use it for energy. It also helps to store excess glucose in the liver as glycogen. Without sufficient insulin, blood glucose levels can become elevated, leading to diabetes. Glycogen, proteins, and glucagon do not directly decrease blood glucose levels.

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  • 2. 

    What gland in the body is insulin secreted from

    • A.

      Adrenal

    • B.

      Gallbladder

    • C.

      Pancreas

    • D.

      Thyroid

    Correct Answer
    C. Pancreas
    Explanation
    Insulin is a hormone that is responsible for regulating blood sugar levels in the body. It is secreted by the pancreas, specifically by the beta cells in the islets of Langerhans. The pancreas plays a crucial role in the endocrine system by producing and releasing insulin into the bloodstream. This hormone helps to facilitate the uptake and utilization of glucose by cells, thereby maintaining normal blood sugar levels.

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  • 3. 

    What are the secondary symptoms of hyperglycemia and the subsequent osmotic diuresis

    • A.

      Fatigue

    • B.

      Thirst

    • C.

      Polyuria

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Hyperglycemia is a condition characterized by high blood sugar levels. One of the secondary symptoms of hyperglycemia is fatigue, which is a feeling of extreme tiredness and lack of energy. Thirst is another secondary symptom, as high blood sugar levels can cause dehydration and increased thirst. Polyuria, which refers to excessive urination, is also a secondary symptom of hyperglycemia. This occurs due to the osmotic diuresis that is caused by the presence of high levels of glucose in the urine. Therefore, all of the listed symptoms are secondary symptoms of hyperglycemia and osmotic diuresis.

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  • 4. 

    Which hormones are measured when a thyroid blood test has been requested

    • A.

      V3, V6, TOT

    • B.

      Cortisol

    • C.

      TSH, FT4, FT3

    • D.

      FSH

    Correct Answer
    C. TSH, FT4, FT3
    Explanation
    When a thyroid blood test is requested, the hormones that are measured are TSH (thyroid-stimulating hormone), FT4 (free thyroxine), and FT3 (free triiodothyronine). These hormones are important indicators of thyroid function. TSH is produced by the pituitary gland and stimulates the thyroid gland to produce and release FT4 and FT3. FT4 and FT3 are the active forms of thyroid hormones that regulate metabolism, growth, and development in the body. Measuring these hormones helps to assess the overall functioning of the thyroid gland and diagnose any potential thyroid disorders.

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  • 5. 

    Is thyrotoxicosis a disease which can be caused by the overstimulation of the thyroid gland
       

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Thyrotoxicosis is a condition characterized by an excess of thyroid hormone in the body, which can lead to symptoms such as weight loss, rapid heartbeat, and anxiety. It is commonly caused by the overstimulation of the thyroid gland, usually due to conditions like Graves' disease or toxic multinodular goiter. Therefore, the statement "thyrotoxicosis is a disease which can be caused by the overstimulation of the thyroid gland" is true.

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  • 6. 

    People with DM2 cannot use insulin efficiently because their pancreas can no longer produce insulin

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    People with DM2 can still produce insulin, but their body's cells become resistant to the effects of insulin. This means that even though insulin is being produced by the pancreas, it is not being used effectively by the body. Therefore, the statement that people with DM2 cannot use insulin efficiently because their pancreas can no longer produce insulin is false.

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  • 7. 

    What is the commonest form of hyperthyroidism

    • A.

      Graves disease

    • B.

      Pleurisy

    • C.

      Hypothyroidism

    • D.

      Bad breath

    Correct Answer
    A. Graves disease
    Explanation
    Graves disease is the most common form of hyperthyroidism. It is an autoimmune disorder in which the immune system mistakenly attacks the thyroid gland, causing it to produce excessive amounts of thyroid hormones. This leads to symptoms such as weight loss, rapid heartbeat, anxiety, and enlarged thyroid gland. Pleurisy is inflammation of the lining of the lungs, hypothyroidism is a condition where the thyroid gland does not produce enough thyroid hormones, and bad breath is not related to hyperthyroidism.

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  • 8. 

     If I had symptoms of hyperthyroidism which symptoms would I most likely be suffering from

    • A.

      Cold, fever, sore throat, loss of appetite and a rash

    • B.

      Sweating, racing heart, fast pulse, losing weight and tremor

    • C.

      Headaches, tiredness, bloating, and a rash

    • D.

      Mood swings, heavy periods and loss of hair

    Correct Answer
    B. Sweating, racing heart, fast pulse, losing weight and tremor
    Explanation
    The symptoms described in the correct answer are commonly associated with hyperthyroidism. Sweating, racing heart, fast pulse, losing weight, and tremor are all classic symptoms of an overactive thyroid. Hyperthyroidism occurs when the thyroid gland produces too much thyroid hormone, leading to an increased metabolism and various symptoms like increased heart rate, weight loss, and excessive sweating. Therefore, if someone is experiencing these symptoms, it is likely that they are suffering from hyperthyroidism.

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  • 9. 

    What does hypoglycemia literally mean

    • A.

      Low blood calcium

    • B.

      high blood calcium

    • C.

      Low blood sugar

    • D.

      high blood sugar

    Correct Answer
    C. Low blood sugar
    Explanation
    Hypoglycemia literally means low blood sugar. This condition occurs when the blood sugar levels drop below normal, causing symptoms such as dizziness, confusion, and weakness. It is often caused by excessive insulin production, certain medications, or not eating enough. High blood calcium and high blood sugar are unrelated to hypoglycemia.

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  • 10. 

    What is a typical set of symptoms of hypoglycemia

    • A.

      Loss of weight, thirst, frequent urination, numbness

    • B.

      Itchy skin, purple nail beds, hair loss, brittle nails

    • C.

      acne, hyperactivity, cough, heartburn

    • D.

      headache, weakness, dizziness, trembling, hunger

    Correct Answer
    A. Loss of weight, thirst, frequent urination, numbness
    Explanation
    The typical set of symptoms of hypoglycemia includes loss of weight, thirst, frequent urination, and numbness. These symptoms are commonly associated with low blood sugar levels. Weight loss can occur due to the body's inability to properly metabolize glucose for energy. Thirst and frequent urination are signs of the body's attempt to flush out excess sugar through urine. Numbness can be a result of nerve damage caused by consistently high or low blood sugar levels. These symptoms are important indicators of hypoglycemia and should be monitored and addressed promptly.

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  • 11. 

    Diabetics are prone to infections because

    • A.

      Insulin has an anti-infective property

    • B.

      the high blood sugar levels raise body temperature

    • C.

      They must inject themselves frequently, introducing pathogens into the body

    • D.

      bacteria thrive in high-glucose environments

    Correct Answer
    D. bacteria thrive in high-glucose environments
    Explanation
    Diabetics are prone to infections because bacteria thrive in high-glucose environments. High blood sugar levels in diabetics create an ideal environment for bacteria to grow and multiply. This is because bacteria feed on glucose, and when there is excess glucose in the bloodstream, it provides a plentiful food source for bacteria. As a result, diabetics are more susceptible to infections as the bacteria can easily thrive and cause infections in their bodies.

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  • 12. 

    Which of these is not an endocrine gland

    • A.

      Colon

    • B.

      Thyroid

    • C.

      Pancreas

    • D.

      Adrenal

    Correct Answer
    A. Colon
    Explanation
    The colon is not an endocrine gland because it does not produce hormones that are released into the bloodstream. Endocrine glands, such as the thyroid, pancreas, and adrenal glands, are responsible for producing and releasing hormones that regulate various bodily functions. The colon, on the other hand, is part of the digestive system and is primarily responsible for absorbing water and electrolytes from undigested food, forming and storing feces, and eliminating waste from the body.

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  • 13. 

    What is a specialist of the endocrine system called

    Correct Answer
    endocrinologist
    Explanation
    An endocrinologist is a medical specialist who specializes in the endocrine system. The endocrine system is responsible for producing and regulating hormones in the body. Endocrinologists diagnose and treat disorders related to hormone imbalances, such as diabetes, thyroid disorders, and hormonal imbalances. They often work closely with other healthcare professionals, such as primary care physicians and surgeons, to provide comprehensive care for patients with endocrine disorders. Endocrinologists may also conduct research and contribute to advancements in the field of endocrinology.

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  • 14. 

    What is decreased glucose concentration in the blood

    • A.

      Homeostasis

    • B.

      Hyperglycemia

    • C.

      Hypoglycemia

    • D.

      Hypothalamus

    Correct Answer
    C. Hypoglycemia
    Explanation
    Hypoglycemia refers to a decreased glucose concentration in the blood. Homeostasis is the body's ability to maintain a stable internal environment, so it is not directly related to glucose concentration. Hyperglycemia, on the other hand, refers to an increased glucose concentration in the blood. The hypothalamus is a part of the brain that helps regulate various bodily functions, but it is not specifically related to glucose concentration. Therefore, the correct answer is Hypoglycemia.

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  • 15. 

    Which of these is not a symptom of diabetes

    • A.

      Polyuria

    • B.

      Polydactyly

    • C.

      Polydipsia

    • D.

      Polyphagia

    Correct Answer
    B. Polydactyly
    Explanation
    Polydactyly is not a symptom of diabetes. Polydactyly is a condition where a person is born with extra fingers or toes. It is a genetic abnormality and has no direct association with diabetes. On the other hand, polyuria, polydipsia, and polyphagia are all symptoms commonly seen in diabetes. Polyuria refers to excessive urination, polydipsia refers to excessive thirst, and polyphagia refers to excessive hunger. These symptoms are often seen in individuals with uncontrolled diabetes due to high blood sugar levels.

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  • 16. 

    Which of the following cells are not produced in the pancreas

    • A.

      Alpha cells

    • B.

      Gamma cells

    • C.

      Beta cells

    • D.

      Delta cells

    Correct Answer
    B. Gamma cells
    Explanation
    Gamma cells are not produced in the pancreas. The pancreas is responsible for producing different types of cells, including alpha cells, beta cells, and delta cells. Alpha cells produce glucagon, which raises blood sugar levels. Beta cells produce insulin, which lowers blood sugar levels. Delta cells produce somatostatin, which inhibits the release of insulin and glucagon. However, gamma cells are not produced in the pancreas.

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  • 17. 

    Which of these is not a corticosteroid

    • A.

      Glucocorticoids

    • B.

      glucocorticoids

    • C.

      Mineralcorticoids

    • D.

      Thyrocalcitonin

    Correct Answer
    D. Thyrocalcitonin
    Explanation
    Thyrocalcitonin is not a corticosteroid because it is a hormone produced by the thyroid gland that regulates calcium levels in the body. Corticosteroids, on the other hand, are a class of hormones that are produced by the adrenal glands and have anti-inflammatory and immunosuppressive effects. Glucocorticoids and mineralocorticoids are examples of corticosteroids.

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  • 18. 

    What disease of the endocrine system consists of weakness, fatigue, anorexia, weight loss, hyperpigmentation, and decreased blood pressure

    • A.

      Addison's disease

    • B.

      Turner's syndrome

    • C.

      Cushing's syndrome

    • D.

      Hyperthyroidism

    Correct Answer
    A. Addison's disease
    Explanation
    Addison's disease is a disorder of the endocrine system characterized by the insufficient production of hormones by the adrenal glands. The symptoms mentioned in the question, such as weakness, fatigue, anorexia, weight loss, hyperpigmentation, and decreased blood pressure, are all commonly associated with Addison's disease. This condition occurs when the adrenal glands are damaged or destroyed, leading to a deficiency in cortisol and aldosterone production. The symptoms mentioned are a result of the hormonal imbalances caused by this disease.

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  • 19. 

    Where is the thyroid gland located

    • A.

      The base of the neck

    • B.

      Behind the stomach

    • C.

      In the brain

    • D.

      Just below the liver

    Correct Answer
    A. The base of the neck
    Explanation
    The thyroid gland is located at the base of the neck. This small, butterfly-shaped gland is situated just below the Adam's apple and wraps around the front of the windpipe. It is an important part of the endocrine system and plays a crucial role in regulating metabolism and producing hormones that control various bodily functions.

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  • 20. 

    Lumps on the thyroid are known as a _____?

    • A.

      Nodule

    • B.

      Benign

    • C.

      Cyst

    • D.

      Goiter

    Correct Answer
    A. Nodule
    Explanation
    Lumps on the thyroid are known as nodules. Nodules are abnormal growths or tumors that can form in the thyroid gland. They can be solid or filled with fluid, and they may or may not be cancerous. Nodules can cause symptoms such as difficulty swallowing, hoarseness, or a visible lump in the neck. They are usually discovered during a physical examination or through imaging tests, such as an ultrasound. Treatment for thyroid nodules depends on their size, characteristics, and whether they are causing any symptoms.

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  • 21. 

    What is the thyroid shaped the most like

    • A.

      An oval

    • B.

      The letter 'U'

    • C.

      A lightbulb

    • D.

      A butterfly

    Correct Answer
    D. A butterfly
    Explanation
    The thyroid gland is shaped like a butterfly, with two lobes connected by a narrow isthmus in the middle. This shape is often used to describe the appearance of the thyroid gland due to its resemblance to the wings of a butterfly.

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  • 22. 

    What is the swelling or enlargement of the thyroid gland?

    • A.

      Benign

    • B.

      Goiter

    • C.

      Nodule

    • D.

      Cyst

    Correct Answer
    B. Goiter
    Explanation
    Goiter is the swelling or enlargement of the thyroid gland. It is usually caused by a lack of iodine in the diet, which leads to the thyroid gland producing more hormones to compensate. This increased activity causes the gland to grow larger and can result in a visible swelling in the neck. While goiters can be benign, meaning they are not cancerous, they can still cause symptoms such as difficulty swallowing or breathing. Treatment for goiters may include medication to regulate hormone levels or surgery to remove the enlarged gland.

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  • 23. 

     It is an autoimmune disease affecting the thryoid, particularly in women. It is characterized by, among other things, a hyperthyroid phase early, while the gland is "inflamed" and then a longer hypothyroid state once the gland is "burnt out".

    • A.

      Hashimoto's disease

    • B.

      Levothyroxide

    • C.

      Cancer of or surrounding the thyroid gland

    • D.

      Cornoran's disease

    Correct Answer
    A. Hashimoto's disease
    Explanation
    Hashimoto's disease is an autoimmune disease that primarily affects the thyroid gland, especially in women. It is characterized by two phases - a hyperthyroid phase in the early stages when the gland is inflamed, followed by a longer hypothyroid phase once the gland is "burnt out." This means that initially, the thyroid gland produces an excessive amount of thyroid hormones, causing hyperthyroidism symptoms. However, over time, the gland becomes damaged and is unable to produce enough hormones, leading to hypothyroidism symptoms. Levothyroxide is a medication commonly prescribed to treat hypothyroidism.

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  • 24. 

    What is the 'job' of the thyroid

    • A.

      Monitor the level of certain hormones in the body, especially growth hormones

    • B.

      Make, store and release thyroid hormones

    • C.

      Producing many essential hormones, including insulin, the hormone regulates metabolism

    • D.

      Release special digestive enzymes into the digestive system

    Correct Answer
    B. Make, store and release thyroid hormones
    Explanation
    The thyroid gland is responsible for producing, storing, and releasing thyroid hormones. These hormones play a crucial role in regulating metabolism, growth, and development in the body. They help control the rate at which the body uses energy, maintain body temperature, and support the proper functioning of various organs and tissues. Therefore, the job of the thyroid gland is to make, store, and release thyroid hormones.

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  • 25. 

    What is the general name of any disorder in which the thyroid cannot produce enough hormones

    Correct Answer
    hypothyroidsm
    Explanation
    Hypothyroidism is the general name for any disorder in which the thyroid gland is unable to produce enough hormones. The thyroid gland plays a crucial role in regulating metabolism and energy levels in the body. When it fails to produce sufficient hormones, various symptoms can occur, including fatigue, weight gain, depression, and cold sensitivity. Hypothyroidism can be caused by a variety of factors, such as autoimmune diseases, iodine deficiency, or certain medications. Treatment typically involves hormone replacement therapy to restore hormone levels and alleviate symptoms.

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  • 26. 

    Hyperkalemic is

    • A.

      Lower than normal potassium

    • B.

      Higher than normal potassium

    • C.

      Lower than noraml sodium

    • D.

      Higher than normal sodium

    Correct Answer
    B. Higher than normal potassium
    Explanation
    Hyperkalemia refers to a condition where the potassium levels in the blood are higher than the normal range. Potassium is an essential electrolyte that plays a crucial role in maintaining proper cell function, nerve impulses, and muscle contractions. When the potassium levels exceed the normal range, it can disrupt the electrical activity of the heart and lead to various symptoms such as muscle weakness, fatigue, and irregular heartbeat. Therefore, the correct answer is "higher than normal potassium."

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  • 27. 

    Hyponatremic means

    • A.

      Lower than normal potassium

    • B.

      Higher than normal potassium

    • C.

      Lower than normal sodium

    • D.

      Higher than normal sodium

    Correct Answer
    C. Lower than normal sodium
    Explanation
    Hyponatremic refers to a condition where the levels of sodium in the blood are lower than normal. This can occur due to various reasons such as excessive sweating, vomiting, or certain medical conditions. It is important to maintain the proper balance of sodium in the body as it plays a crucial role in maintaining fluid balance, nerve function, and muscle contraction. When the sodium levels are lower than normal, it can lead to symptoms like fatigue, nausea, confusion, and in severe cases, even seizures or coma. Therefore, it is essential to monitor and treat hyponatremia to restore the electrolyte balance in the body.

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  • 28. 

    What does Aldosterone do

    • A.

      Regulates salt

    • B.

      Regulates potassium

    • C.

      Regulates steroid poduction

    Correct Answer
    A. Regulates salt
    Explanation
    Aldosterone is a hormone produced by the adrenal glands that plays a crucial role in regulating the balance of salt and water in the body. It acts on the kidneys, promoting the reabsorption of sodium and the excretion of potassium. This helps maintain the proper levels of salt in the body, which is important for various bodily functions such as blood pressure regulation and fluid balance. Therefore, the correct answer is that aldosterone regulates salt.

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  • 29. 

    Which of the following statements about diabetic neuropathy is false

    • A.

      Autonomic neuropathy causes increse hyration of the skin

    • B.

      Autonomic neuropathy leads to arteriovenous shunting

    • C.

      Clawing of toes is evidence of motor neuropathy

    • D.

      Sensory loss ocuurs in a glove and stocking distribution

    Correct Answer
    A. Autonomic neuropathy causes increse hyration of the skin
    Explanation
    Autonomic neuropathy causes dysfunction in the autonomic nervous system, which controls involuntary bodily functions. One common symptom of autonomic neuropathy is dry skin due to decreased sweating. Therefore, the statement that autonomic neuropathy causes increased hydration of the skin is false.

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  • 30. 

    Which of the following is not a cause of vitiligo

    • A.

      Addisons

    • B.

      Diabetes

    • C.

      Hashimoto

    • D.

      Pernicious anaemia

    • E.

      Rheumatiod arthritis

    Correct Answer
    E. Rheumatiod arthritis
    Explanation
    Rheumatoid arthritis is not a cause of vitiligo. Vitiligo is an autoimmune disorder where the immune system mistakenly attacks and destroys the melanocytes, the cells responsible for producing skin color. While other conditions like Addison's disease, diabetes, Hashimoto's disease, and pernicious anemia have been associated with vitiligo, there is no known link between vitiligo and rheumatoid arthritis.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 07, 2010
    Quiz Created by
    Littletough
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