and Answers | Latest Version | 2025/2026
| Correct & Verified
Which hormone is secreted by the adrenal cortex to regulate sodium and potassium levels?
A. Cortisol
B. Epinephrine
✔✔C. Aldosterone
D. Insulin
What is the primary function of the thyroid hormone thyroxine (T4)?
A. Lower blood calcium
B. Promote glucose uptake
✔✔C. Regulate metabolism and energy production
D. Stimulate adrenal gland
A patient with hypothyroidism may exhibit which of the following symptoms?
A. Weight loss
B. Heat intolerance
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,✔✔C. Fatigue and cold intolerance
D. Increased appetite
Which gland produces growth hormone?
A. Thyroid
✔✔B. Anterior pituitary
C. Adrenal medulla
D. Parathyroid
What hormone causes the kidneys to reabsorb water and concentrate urine?
A. Aldosterone
B. Cortisol
✔✔C. Antidiuretic hormone (ADH)
D. Glucagon
Which condition results from excess secretion of growth hormone in adults?
A. Dwarfism
B. Cushing’s syndrome
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, ✔✔C. Acromegaly
D. Addison’s disease
What lab test is most useful for diagnosing hyperthyroidism?
A. Serum glucose
✔✔B. TSH (thyroid stimulating hormone) level
C. Serum calcium
D. Serum cortisol
Which hormone counteracts insulin’s effect by raising blood glucose levels?
A. Aldosterone
B. Cortisol
✔✔C. Glucagon
D. Thyroxine
A client with Addison’s disease is expected to have:
A. Hypernatremia and hyperglycemia
B. Hypertension and hypokalemia
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