The difference between a person's maximum cardiac output and resting cardiac output is called the
a) stroke volume.
b) peripheral resistance.
c) afterload.
d) cardiac reserve.
e) venous return.
d
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Upon swallowing, food moves from the mouth directly into the
A) oral vestibule. B) buccal cavity. C) sublingual space. D) oropharynx. E) oral mucosae.
Which of the following statements regarding tobacco smoking and lung damage is true?
A) Cancer rates are the same for smokers and non-smokers. B) Anaplasia is reversible if a person stops smoking. C) Twenty-five percent of lung cancers are the direct result of cigarette smoking. D) Neoplasia is not reversible, even if the person stops smoking, but can be treated by surgery. E) The incidence of lung cancer is greater among women than men.
As the tubular filtrate moves through the descending limb of the nephron loop, the osmolality of the filtrate increases.
Answer the following statement true (T) or false (F)
What is the purpose of the sperm's tail?
A. To contain mitochondria that supply ATP to energize the tail B. To house the sperm's chromosomes C. To propel the sperm D. To contain enzymes that are used to penetrate an egg