Renin is released by the _____ in response to _____ blood pressure.
A. adrenal glands, high
B. adrenal glands, low
C. kidneys, low
D. kidneys, high
Q. 2Osteopenia refers to
A. achievement of peak bone mass.
B. improved bone density.
C. moderate loss of bone density.
D. the final stage of osteoporosis.
Q. 3Together, parathyroid hormone and vitamin D interact with the _____, _____, and _____ to raise blood calcium levels.
A. bones, kidneys, parathyroid glands
B. kidneys, intestine, bones
C. kidneys, pancreas, bones
D. bones, teeth, liver
Q. 4Calcium homeostasis is maintained by all of the following hormones except:
A. vitamin D.
B. calcitonin.
C. thyroid hormone.
D. parathyroid hormone.
Q. 5Osteoblasts are cells that
A. break down old bone.
B. release calcium from bone into the blood.
C. form new bone.
D. produce parathyroid hormone.
Q. 6Antidiuretic hormone is released from the _____ in response to low blood volume.
A. pituitary gland
B. adrenal gland
C. kidney
Q. 7Low blood pressure stimulates the release of _____ from the adrenal glands.
A. water
B. antidiuretic hormone
C. vasopressin
D. aldosterone
Q. 8Condensation reactions are those
A. that require water in order to break a chemical bond.
B. that produce water when chemical bonds are formed.
C. that release water from inside cells into the intercellular fluid.
D. that require water when chemical bonds are formed.
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