The ________ carry blood toward the lungs.
A. superior and inferior venae cavae
B. pulmonary trunk and arteries
C. pulmonary arteries and veins
D. pulmonary trunk and veins
E. aorta and pulmonary arteries
Answer: B
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This molecule is found in DNA but not RNA:
a. guanine b. thymine c. uracil d. adenine
On a tour of African countries, Don contracts a bad case of traveler's diarrhea. Because he can't eat very much, his body starts to use energy sources other than carbohydrates. This would result in
A) increased levels of urea in the blood. B) a decreased blood pH. C) increased gluconeogenesis in the liver. D) ketosis. E) All of these answers are correct.
The upper lip and apex of the nose of swine is the:
A) cheek B) mouth C) snout D) muzzle
The motor fibers of the renal plexus are branches of which nervous system?
a) parasympathetic b) somatic c) sympathetic d) enteric