24) If a long bone that was found at an archeological dig contained functional e
ID: 317043 • Letter: 2
Question
24) If a long bone that was found at an archeological dig contained functional epiphyseal plates, what inference is most accurate?
A) The person was a male.
B) The person was not mature.
C) The person had many injuries.
D) The person was elderly.
E) None of the answers are correct.
25) Increased levels of calcium in the blood of a pregnant woman would stimulate the secretion of ________, which would increase calcium loss in the urine.
A) calcitonin
B) calcitriol
C) parathyroid hormone
D) thyroid hormone
E) growth hormone
26) How do hormones regulate the pattern of bone growth?
A) They don't; hormones are not involved in bone growth processes.
B) They change the rates of osteoblast and osteoclast activity.
C) They control the rate of movement of the epiphyseal line.
D) They regulate the deposition of calcium and phosphate salts in the bone matrix.
E) None of the answers are correct.
27) Which of the following acts on the intestine, requiring calcitriol production by the kidneys?
A) growth hormone
B) parathyroid hormone
C) calcitonin
D) calcitriol
E) thyroid hormone
28) Which of the following is the active form of calcitriol?
A) calcium
B) vitamin A
C) vitamin C
D) vitamin D
E) sodium
29) Each year, approximately ________ of the adult skeleton is demolished and then rebuilt or replaced.
A) 1/2 (50%)
B) 1/4 (25%)
C) 1/3 (33.33%)
D) 100%
E) 1/5 (20%)
30) Bone mass reduction occurs initially between the ages of ________.
A) 10-20
B) 20-30
C) 50-60
D) 30-40
E) 40-50
nitially between the ages of ________. A) 10-20 B) 20-30 C) 50-60 D) 30-40 E) 40-50
Explanation / Answer
24) The person was not mature (b)
25) calcitonin(a)
26) They change the rates of osteoblast and osteoclast activity(b)
27) Parathyroid hormone(b)
28) Vitamin D (d)
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