Endocrine System

Question 1

This process is responsible for releasing stored glucose into the bloodstream.
A. Glycolysis
B. Gluconeogenesis
C. Glycogenolysis
D. Glycogenesis

Answer 1

1. C

Question 2

This hormone counteracts insulin and its function is to raise blood sugar levels
A. C protein
B. Glucagon
C. Kallekrein
D. Albumin

Answer 2

2. B

Question 3

Which of the following statements is correct?
A. Type I diabetes, once known as adult-onset diabetes, does not require insulin because the pancreas still has some level of functioning.
B. Type I diabetes, once known as juvenile-onset diabetes, does not require insulin because the pancreas still has some level of functioning.
C. Type 2 diabetes, once known as adult-onset diabetes, does not require insulin because the pancreas still has some level of functioning.
D. Type 2 diabetes, once known as juvenile-onset diabetes, does not require insulin because the pancreas still has some level of functioning.

Answer 3

3. C

Question 4

Sex steroids (hormones) are made in this layer of the adrenal gland.
A. Zona glomerulosa
B. Zona fasciculata
C. Zona reticularis
D. Adrenal medulla

Answer 4

4. C

Question 5

Where are the sympathetic nervous system acting neurotransmitters epinephrine and norepinephrine made in the adrenal gland?
A. Zona glomerulosa
B. Zona fasciculata
C. Zona reticularis
D. Adrenal medulla

Answer 5

5. D

Question 6

These sets of hormones are made by the posterior pituitary gland.
A. Oxytocin and vasopressin
B. FSH and LH
c. GH and prolactin
D. ADH and ACTH

Answer 6

6. A

Question 7

This hormone acts at the level of the collecting ducts in the kidney and its function is to preserve fluid volume in the blood (and also thereby preserve or even raise blood pressure)?
A. TSH
B. ACTH
C. ADH
D. TH (T3 or T4)

Answer 7

7. C

Question 8

What happens to levels of TSH in a classic case of hypothyroidism (aka primary or Io hypothyroidism)?
A. TSH is decreased
B. TSH is elevated
c. TSH does not change
D. TSH may be elevated or decreased

Answer 8

8. B

Question 9

What is the difference between Cushing’s Disease and Addison’s Disease?
A. In Cushing’s Disease, cortisol is high whereas in Addison’s Disease, cortisol is low
B. In Cushing’s Disease, cortisol is low whereas in Addison’s Disease, cortisol is high
C. In Cushing’s Disease, ACTH is high whereas in Addison’s Disease, ACTH is low
D. In Cushing’s Disease, ACTH is low whereas in Addison’s Disease, ACTH is high.

Answer 9

9. A

Question 10

Which of the following statements is correct regarding PTH (Parathyroid hormone)?
A. Stimulates reabsorption of Ca and inhibits phosphate reabsorption in the kidneys
B. Increases bone resorption of calcium and phosphate
C. Decreased serum Mg will decrease PTH secretion
D. All of the above

Answer 10

10. D

Question 11

Which of the following statements is correct regarding Vitamin D?
A. Increases Ca and phosphate absorption at the level of the intestines
B. Increases bone resorption of Ca and phosphate
C. Vitamin D feedback inhibits its own production
D. All of the above

Answer 11

11. D

Question 12

This is the most common cause of hypothyroidism
A. Graves' Disease
B. Toxic multi-nodular goiter
C. Riedel's thyroiditis
D. Hashimoto's thyroiditis

Answer 12

12. D

Question 13

What lab test can be done to distinguish Diabetes Mellitus from Diabetes Insipidus?
A. Hemoglobin A1C
B. Water deprivation test
C. Glucose tolerance test
D. Fasting serum glucose

Answer 13

13. B

Question 14

Which of the following drugs or pairs of drugs may be used in the treatment of hyperthyroidism?
A. Sibutramine
B. Levothyroxine, triiodothyronine
C. Propylthiouracil, methimazole
D. Demeclocycline

Answer 14

14. C