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Pharmacology of Endocrine Drugs

Description: This quiz is designed to assess your knowledge of the pharmacology of endocrine drugs, including their mechanisms of action, therapeutic uses, and potential adverse effects.
Number of Questions: 15
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Tags: pharmacology endocrine drugs
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Which of the following is a synthetic glucocorticoid?

  1. Hydrocortisone

  2. Prednisone

  3. Dexamethasone

  4. Fludrocortisone


Correct Option: C
Explanation:

Dexamethasone is a synthetic glucocorticoid that is more potent than hydrocortisone and has a longer duration of action.

What is the primary mechanism of action of insulin?

  1. Inhibits gluconeogenesis

  2. Stimulates glycogen synthesis

  3. Increases glucose uptake by cells

  4. All of the above


Correct Option: D
Explanation:

Insulin has multiple mechanisms of action, including inhibiting gluconeogenesis, stimulating glycogen synthesis, and increasing glucose uptake by cells.

Which of the following is a common adverse effect of thiazolidinediones?

  1. Hypoglycemia

  2. Weight gain

  3. Edema

  4. Lactic acidosis


Correct Option: B
Explanation:

Weight gain is a common adverse effect of thiazolidinediones, which are a class of antidiabetic drugs.

What is the primary mechanism of action of levothyroxine?

  1. Inhibits thyroid peroxidase

  2. Increases thyroid hormone production

  3. Decreases thyroid hormone production

  4. None of the above


Correct Option: B
Explanation:

Levothyroxine is a synthetic thyroid hormone that increases thyroid hormone production.

Which of the following is a common adverse effect of metformin?

  1. Hypoglycemia

  2. Lactic acidosis

  3. Nausea and vomiting

  4. All of the above


Correct Option: C
Explanation:

Nausea and vomiting are common adverse effects of metformin, an antidiabetic drug.

What is the primary mechanism of action of growth hormone?

  1. Stimulates protein synthesis

  2. Inhibits protein synthesis

  3. Increases glucose uptake by cells

  4. Decreases glucose uptake by cells


Correct Option: A
Explanation:

Growth hormone stimulates protein synthesis and promotes growth.

Which of the following is a common adverse effect of glucocorticoids?

  1. Cushing's syndrome

  2. Hyperglycemia

  3. Immunosuppression

  4. All of the above


Correct Option: D
Explanation:

Glucocorticoids can cause a variety of adverse effects, including Cushing's syndrome, hyperglycemia, and immunosuppression.

What is the primary mechanism of action of antithyroid drugs?

  1. Inhibits thyroid peroxidase

  2. Increases thyroid hormone production

  3. Decreases thyroid hormone production

  4. None of the above


Correct Option: A
Explanation:

Antithyroid drugs inhibit thyroid peroxidase, an enzyme involved in thyroid hormone production.

Which of the following is a common adverse effect of estrogen therapy?

  1. Nausea and vomiting

  2. Breast tenderness

  3. Weight gain

  4. All of the above


Correct Option: D
Explanation:

Estrogen therapy can cause a variety of adverse effects, including nausea and vomiting, breast tenderness, and weight gain.

What is the primary mechanism of action of progestins?

  1. Stimulates endometrial growth

  2. Inhibits endometrial growth

  3. Increases uterine contractions

  4. Decreases uterine contractions


Correct Option: A
Explanation:

Progestins stimulate endometrial growth and prepare the uterus for pregnancy.

Which of the following is a common adverse effect of androgen therapy?

  1. Acne

  2. Hirsutism

  3. Deepening of the voice

  4. All of the above


Correct Option: D
Explanation:

Androgen therapy can cause a variety of adverse effects, including acne, hirsutism, and deepening of the voice.

What is the primary mechanism of action of dopamine agonists?

  1. Stimulates dopamine receptors

  2. Inhibits dopamine receptors

  3. Increases dopamine production

  4. Decreases dopamine production


Correct Option: A
Explanation:

Dopamine agonists stimulate dopamine receptors in the brain.

Which of the following is a common adverse effect of dopamine antagonists?

  1. Nausea and vomiting

  2. Drowsiness

  3. Extrapyramidal symptoms

  4. All of the above


Correct Option: D
Explanation:

Dopamine antagonists can cause a variety of adverse effects, including nausea and vomiting, drowsiness, and extrapyramidal symptoms.

What is the primary mechanism of action of octreotide?

  1. Inhibits growth hormone production

  2. Stimulates growth hormone production

  3. Inhibits prolactin production

  4. Stimulates prolactin production


Correct Option: A
Explanation:

Octreotide inhibits growth hormone production and is used to treat acromegaly.

Which of the following is a common adverse effect of desmopressin?

  1. Hyponatremia

  2. Headache

  3. Nausea and vomiting

  4. All of the above


Correct Option: A
Explanation:

Desmopressin can cause hyponatremia, especially in patients with impaired renal function.

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