The pyloric sphincter regulates the flow of food into the
A) stomach
B) jejunum
C) duodenum
D) esophagus
Ans: C) duodenum
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Which of the following has an association with the fetal umbilical vein?
A) falciform ligament B) greater omentum C) mesentery proper D) lesser omentum E) diaphragm
What do the coronary arteries arise from?
A. The proximal end of the aorta B. The interventricular arteries C. The myocardium D. The coronary sulcus E. The venae cavae
A person who is severely dehydrated is likely to have a high fever because
A. Water is needed for body temperature regulation B. The blood pressure is increased C. The blood volume is decreased D. Waste products have accumulated
As sound waves travel into the ear, they pass from the auditory canal to the:
A) tympanic membrane, auditory ossicles, oval window, endolymph, scala vestibuli of the cochlea. B) tympanic membrane, oval window, auditory ossicles, perilymph, scala vestibuli of the cochlea. C) tympanic membrane, auditory ossicles, round window, perilymph, scala vestibuli of the cochlea. D) tympanic membrane, auditory ossicles, oval window, perilymph, scala vestibuli of the cochlea.