ATI RN
Endocrinology Practice Questions Questions
Question 1 of 5
Which of the following statements regarding Cushing's syndrome is correct?
Correct Answer: B
Rationale: Step-by-step rationale for why answer B is correct: 1. Cushing's syndrome is characterized by excess cortisol production. 2. Women are more likely to develop Cushing's syndrome due to hormonal differences. 3. Women have higher cortisol levels naturally, making them more susceptible. 4. Men can still develop Cushing's syndrome but at a lower rate compared to women. Summary: A: Incorrect, as women are more likely to develop Cushing's syndrome. C: Incorrect, as the incidence is higher in women due to hormonal factors. D: Incorrect, as it refers to thyroid hormones, not cortisol in Cushing's syndrome.
Question 2 of 5
Which of the following are common symptoms of hypothyroidism?
Correct Answer: B
Rationale: The correct answer is B: Dry skin. In hypothyroidism, the thyroid gland does not produce enough thyroid hormone, leading to decreased metabolism. This can result in several symptoms, including dry skin due to reduced sweat gland activity. Hyporeflexia (A) is not a common symptom of hypothyroidism. Oily skin (C) is more commonly associated with hyperthyroidism, where thyroid hormone levels are elevated. Excessive hair growth (D) is not typically seen in hypothyroidism; instead, hair loss is a common symptom.
Question 3 of 5
Sleeping pulse rate is not increased in:
Correct Answer: B
Rationale: Correct Answer: B (Rheumatic carditis) Rationale: 1. Rheumatic carditis is a heart condition, which may lead to a decreased cardiac output and subsequently a lower pulse rate during sleep. 2. Anxiety neurosis can lead to increased sympathetic activity, causing an elevated pulse rate during sleep. 3. Pulmonary tuberculosis can cause systemic inflammation and increased metabolic demand, resulting in an elevated pulse rate during sleep. 4. Atropine, a parasympatholytic drug, inhibits the action of the parasympathetic nervous system, leading to an increased pulse rate.
Question 4 of 5
Which of the following visual field deficits is most likely present in a patient with pituitary adenoma compressing his optic chiasm?
Correct Answer: C
Rationale: The correct answer is C: Bi-temporal hemianopia. Pituitary adenoma compressing the optic chiasm typically leads to bi-temporal hemianopia due to compression of the crossing fibers from the nasal visual fields. This results in loss of peripheral vision in both temporal visual fields. A: Bilateral inferior visual field deficits and B: Bilateral superior visual field deficits are less likely as they are not typical patterns associated with optic chiasm compression. D: Right homonymous hemianopia is incorrect as it is not associated with compression of the optic chiasm by a pituitary adenoma.
Question 5 of 5
Which is not a part of multiple endocrine neoplasia type I (Wermers syndrome)?
Correct Answer: A
Rationale: The correct answer is A: Phaeochromocytoma. Multiple Endocrine Neoplasia Type I (MEN I) is characterized by tumors in the pituitary, pancreas, and parathyroid glands. Phaeochromocytoma is not typically associated with MEN I. Phaeochromocytoma is commonly seen in MEN II syndrome. Therefore, A is the correct answer. Choice B, C, and D are incorrect as they are all associated with MEN I based on the characteristic tumor involvement in the pituitary, pancreas, and parathyroid glands, respectively.
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