1. Amino acid residues which are essential for the biological | Biochemistry

1. Amino acid residues which are essential for the biological activity of PTH are
(A) N-terminal 34 amino acids
(B) N-terminal 50 amino acids
(C) C-terminal 34 amino acids
(D) C-terminal 50 amino acids

2. The number of amino acids in the peptide
hormone calcitonin is
(A) 16
(B) 24
(C) 32
D) 40

3. Secretion of PTH is regulated by
(A) Hypothalamus
(B) Anterior pituitary
(C) Feedback effect of plasma PTH
(D) Feedback effect of plasma calcium

4. Which of the following conditions is associated
with hypophosphatemia?
A. Rickets
B. Multiple myeloma
C. Renal failure
D. Hypervitaminosis D


5. A female with severe excessive pubic and facial hair growth (hirsutism) should be tested for which of the following hormones?
A. Estrogen and progesterone
B. Chorionic gonadotropin
C. Growth hormone
D. Testosterone and dehydroepiandrosterone sulfate