Endocrine System Multiple Choice Questions And Answers Pdf
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Which of the following are responsible for producing and releasing hormones?
MCAT Biology : Endocrine System
A comprehensive collection of clinical examination OSCE guides that include step-by-step images of key steps, video demonstrations and PDF mark schemes. A comprehensive collection of OSCE guides to common clinical procedures, including step-by-step images of key steps, video demonstrations and PDF mark schemes.
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This allows us to get in touch for more details if required. Put your knowledge to the test with this hormonally charged endocrinology quiz.
Congratulations - you have completed Endocrinology quiz. Your answers are highlighted below. Question 1. Which is a more sensitive measure of thyroid function? Question 1 Explanation:. The adequate amount of free T3 and T4 in the blood varies significantly between patients. As a result, TSH provides a sensitive indicator of whether a patient's individual thyroid hormone levels are adequate for them.
However, if the TSH is high or low it suggests that the level of thyroid hormones is not currently at the correct level for that patient. TSH is, therefore, an incredibly useful indicator when a patient has hypothyroidism and requires thyroxine. By monitoring the TSH value you can adjust the dose until TSH normalises, at which point you can be confident you are providing the patient with the correct amount of thyroid hormones. Question 2. In regard to the investigation of hyperthyroidism, which one of the following antibodies is specific to Grave's disease?
Question 2 Explanation:. TSH receptor antibodies are highly specific for Grave's disease. The other two antibodies can be found in both Grave's and Hashimoto's thyroiditis. Question 3. Addison's disease involves the overproduction of androgens by the adrenal medulla.
Addison's disease involves the underproduction of androgens by the adrenal medulla. Addison's disease involves the overproduction of cortisol and aldosterone by the adrenal cortex.
Question 4. Which one of the following statements best defines dipsogenic diabetes insipidus? Dipsogenic diabetes insipidus is caused by a defect or damage to the pituitary stalk causing malfunction of the hunger mechanism.
Dipsogenic diabetes insipidus is caused by a defect or damage to the hypothalamus causing malfunction of the thirst mechanism. Dipsogenic diabetes insipidus is caused by a defect or damage to the pituitary gland causing malfunction of the thirst mechanism. Dipsogenic diabetes insipidus is caused by a defect or damage to the pituitary stalk causing malfunction of the thirst mechanism. Question 4 Explanation:. As a result, the individual is excessively thirsty regardless of their fluid status.
The individual, therefore, consumes large volumes of fluid which suppresses the secretion of vasopressin and increases urine output. Question 5. Which of the following are common symptoms of hypothyroidism? Question 6. What is the most common cause for the overproduction of growth hormone in acromegaly?
Question 6 Explanation:. In very rare cases acromegaly can be caused by ectopic production of growth hormone by carcinoid tumours. Question 7. Which one of the following statements is true regarding the prevalence of acromegaly? Acromegaly affects twice as many women than men. Acromegaly affects twice as many men than it does women. Acromegaly effects a similar number of men and women. Question 7 Explanation:. The prevalence of acromegaly is equally distributed between sexes. Question 8.
Which of the following causes of Cushing's syndrome does the phrase "Cushing's disease" specifically refer to?
Question 8 Explanation:. Cushing's disease refers specifically to Cushing's syndrome occurring as a result of a pituitary adenoma. Question 9. Which one of the following is acromegaly caused by? Overproduction of gonadotrophin releasing hormone GnRH. Overproduction of adrenocorticotropic hormone ACTH.
Overproduction of vasopressin antidiuretic hormone. Question 9 Explanation:. Acromegaly occurs as a result of overproduction of growth hormone. The increased levels of this hormone causes increased proliferation of a number of tissues which results in the characteristic features of acromegaly. Question Which of the following are common symptoms of hyperthyroidism?
Question 10 Explanation:. Hyperthyroidism can present with a wide array of symptoms and these often differ considerably between patients. However symptoms such as weight loss, tremor, heat intolerance and diarrhoea are quite common.
Which one of the following statements describes the underlying pathology of Grave's disease? An autoimmune disease directed against thyroid stimulating hormone TSH receptors. Consumption of ground beef which has been contaminated with thyroid tissue. The thyroid tissue contains metabolically active thyroid hormones which causes hyperthyroidism. Inflammation of the thyroid gland due to lymphocytic infiltration causes the stored thyroid hormones to be released into the circulation leading to hyperthyroidism.
Endocrine system questions 1
Eicosanoids: Are lipids synthesized from the fatty acid chains of phospholipids found in plasma membrane. The endocrine system is considered to be of an integrative nature, since the hormones produced by endocrine glands are substances that act at a distance and many of them act in different organs of the body. The endocrine glands are those which do not possess any duct and discharge their secretion hormones directly into the blood stream to send them to the various parts of the body. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Next Nervous Coordination.
MCAT Biology : Endocrine System
If your institution subscribes to this resource, and you don't have a MyAccess Profile, please contact your library's reference desk for information on how to gain access to this resource from off-campus. Please consult the latest official manual style if you have any questions regarding the format accuracy. Which characteristics are shared by peptide hormones and steroid hormones? Which hormones are produced by pituitary acidophils?
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The correct answer is glucagon. Glucagon is secreted by the pancreas, not the pituitary gland. All the other answer choices are major hormones secreted by the pituitary that are essential to bodily functions. Which of these hormones is correctly paired with the endocrine organ that releases it into the bloodstream? Oxytocin is produced by the hypothalamus, but stored and released by the posterior pituitary, making it the correct answer.
If your institution subscribes to this resource, and you don't have a MyAccess Profile, please contact your library's reference desk for information on how to gain access to this resource from off-campus. Please consult the latest official manual style if you have any questions regarding the format accuracy. Which characteristics are shared by peptide hormones and steroid hormones?
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