Which of the following statements is not true of swallowing?
A) The buccal phase is a voluntary phase.
B) Breathing stops during the pharyngeal phase.
C) Primary peristaltic waves are controlled by the facial nerves.
D) Secondary peristaltic waves are needed if the bolus is dry.
E) The lower esophageal sphincter relaxes to allow the bolus to enter the stomach.
C
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When a couple is having difficulty conceiving a child, it is necessary to investigate the sperm of the male
Indicate whether the statement is true or false
Which structure is formed following ovulation?
A) Graafian follicle B) secondary oocyte C) corpus luteum D) coronal radiata
During the micturition reflex,
A) stimulation of stretch receptors in the bladder wall sends impulses to the lumbar spinal cord. B) sympathetic motor neurons that control the detrusor muscle become active. C) the internal sphincter is consciously relaxed. D) the external sphincter is unconsciously relaxed. E) None of the answers is correct.
Which statement comparing aerobic and anaerobic respiration is false?
A. Aerobic respiration requires oxygen while anaerobic respiration does not. B. Aerobic respiration takes longer than anaerobic respiration. C. Anaerobic respiration produces lactic acid while aerobic respiration produces carbon dioxide. D. Anaerobic respiration produces more ATP than aerobic respiration.