What is the layer of the alimentary canal that propels food through the digestive tract called?
A. Lumen
B. Mucosa
C. Submucosa
D. Muscularis externa
E. Serosa
Answer: D
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An emergency medical technician is examining a trauma victim by shining a pen light into her patient's eye. She records the reactivity of the patents pupils as they constrict when stimulated by the light. This test supports which of the following?
A) The patient has suffered brain damage. B) The patient has function of the trochlear nerve (IV). C) The patient has lost function of the optic nerve (II). D) The patient has function of the oculomotor nerve (III).
The hormone most important in supporting the maturation of the oocyte and growth of the uterine lining is
A) LH. B) estradiol. C) progesterone. D) progestin. E) None of the answers are correct.
As a baseball pitcher winds up to throw, he medially rotates his arm by contracting his
A. supraspinatus. B. subscapularis. C. infraspinatus. D. teres minor.
Which of the following statements is correct?
a. The right lung has two lobes, the left lung has three lobes. b. The apex of the lung rests against the diaphragm. c. The lungs are covered by the visceral pleura. d. All of the above are correct.