A long bone consists of a fairly uniform cylindrical shaft, the epiphysis, with a flared articulating knob at either end, a diaphysis
a. True
b. False
Indicate whether the statement is true or false
False
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If a muscle that acts on the hand also has both of its attachment points in the hand, it is considered a(n) __________ muscle.
A. antagonistic B. synergistic C. convergent D. extrinsic E. intrinsic
Which of the four curves of the adult vertebral column develop as an infant begins to lift its head?
A) pelvic B) thoracic C) cervical D) lumbar
Which correctly describes the cause of the increase in alveolar ventilation that occurs when a person ascends to high altitude?
A. The decrease in PCO2 of inspired air decreases alveolar PCO2, stimulating the peripheral chemoreceptors. B. The decrease in PCO2 of inspired air decreases alveolar PCO2, stimulating the central chemoreceptors. C. The decrease in PO2 of inspired air decreases alveolar and arterial PO2, stimulating the peripheral chemoreceptors. D. The decrease in total atmospheric pressure causes a greater negative pressure in the intrapleural space, resulting in deeper and more frequent breathing. E. The decrease in the total barometric pressure at high altitude causes hypocapnea, which stimulates peripheral chemoreceptors.
A sustained muscle contraction is known as
A. tetanus B. tone C. treppe D. twitch E. paralysis