At peak levels of muscle exertion the mitochondria can supply
A) 80 percent of the energy required by the muscle
B) all of the energy required by the muscle
C) only about one-third of the energy required by the muscle
D) only about 10 percent of the energy required by the muscle
E) more than half of the energy required by the muscle
C) only about one-third of the energy required by the muscle
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The region of sarcomere where thin and thick filaments are located is called the
A) I band. B) A band. C) Z line. D) M line. E) zone of overlap.
Spread of bronchiogenic carcinoma to the bronchiomediastinal lymph nodes might be indicated by:
A) loss of cough reflex. B) pleurisy. C) distorted and displaced carina. D) fluid sounds upon lung percussion. E) segmental atelectasis.
Which of the following is responsible for peristalsis?
A. Muscularis mucosae B. Mesothelium C. Muscularis externa D. Gastric rugae E. Pharyngeal constrictors
Name the two processes that result in the repair of injured tissue
A. edema and clotting B. regeneration and replacement C. necrosis and atrophy D. edema and regeneration E. necrosis and replacement