The parathyroid glands are located
A. posterior to the thyroid gland.
B. above the kidneys.
C. just below the thalamus.
D. anterior to the thyroid gland.
E. within the thymus.
Answer: A
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The changes that occur in a woman's body at menopause are due to
A. reduced levels of estrogen and progesterone. B. depletion of oocyte supply. C. fluid retention that disrupts the osmotic balance of the body. D. increased production of androgens by the adrenal gland. E. reduced frequency of sexual activity.
The neuromuscular junction
a. is the junction between a motor neuron and a skeletal muscle fiber. b. transmits an action potential between the nerve cell and muscle cell on a one-to-one basis. c. may produce either an EPSP or an IPSP on the motor end plate. d. both (a) and (b) above. e. all of these answers.
Based on what you know about bone growth, why are newborns so much more flexible than adults?
A. Their joints are still composed of cartilage. B. Osteoclast activity is greater than osteoblast activity. C. Their ligaments have not developed fully yet. D. The epiphysial plates are fused.
Atelectasis may occur with a prolonged period of bed rest due to:
A) reduced removal of pulmonary secretions B) increased expansion of the lower lobes of the lungs C) increased risk of aspiration in a sitting position D) loss of cough reflex