What may result if the pharyngoesophageal sphincter does not function properly?
A. Food will be swallowed much faster.
B. Food will bypass the esophagus.
C. Food cannot enter the esophagus.
D. Food will cause the esophagus to collapse.
Answer: C
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Which of these substances could be driven across a membrane by the resting membrane potential?
A) H2O B) O2 C) glucose D) Na+ E) CO2
Pronation is defined as
A) a rolling of the distal epiphysis of the radius over the ulna. B) a twisting of the ulna medially. C) twisting the forearm so that the palms face anteriorly. D) the shortening of the angle between the radius and the humerus. E) movement of the mandible anteriorly, as seen when biting the upper lip.
Which is not a cranial bone?
A. Vomer B. Frontal C. Occipital D. Temporal E. Parietal
The serous membrane surrounding the lungs is called the ________
A) pleura B) pericardium C) peritoneum D) meninges