If oxygen is NOT available for aerobic ATP production, ________ builds up on muscles.
A) lactic acid
B) glucose
C) pyruvic acid
D) ATP
A) lactic acid
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Which of the following is NOT true of the diaphragm?
A. It is innervated by the phrenic nerves. B. It is considered to be the prime mover for inspiration. C. When it contracts, it compresses the thorax and decreases its volume. D. Its action is to flatten during inspiration. E. All of these are true of the diaphragm.
The form of hemoglobin with iron in a reduced state and bonded to carbon monoxide is ________.
A. carboxyhemoglobin B. methemoglobin C. oxyhemoglobin D. deoxyhemoglobin
In adults, ________ marrow fills the central canal of long bones, and ________ marrow is found in the epiphyses of long bones
A) red, red B) yellow, yellow C) red, yellow D) yellow, red
Which of the following is not true of a thoracic vertebra?
A) The body is more massive than those of cervical vertebrae but less than those of lumbar vertebrae. B) The spinous process is pointed and angled sharply downward. C) It usually has a facet at the end of each transverse process for attachment of a rib. D) The body has facets as points of articulation for ribs. E) It has a pair of transverse foramina.