A professional fighter hit in the mental region might have damage to the
A. jaw.
B. shoulder.
C. knee.
D. nose.
E. ear.
Answer: A
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Which of the following statements regarding calcium homeostasis is true?
A. When blood calcium levels are too low, osteoclast activity increases.
B. Parathyroid hormone increases calcium loss from the kidney.
C. Increased osteoblast activity increases blood calcium levels.
D. Calcitonin elevates blood calcium levels.
E. Parathyroid hormone inhibits osteoclast activity.
The action of ____________________ helps the body cope with stressful situations
Fill in the blank(s) with correct word
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
In describing parts of the mitochondrion, folds are to cristae as the contained fluid is to
A) actin. B) microvilli. C) cytosol. D) basal body. E) matrix.