Normal blood pressure readings depend on all
EXCEPT
a. total blood volume.
b. cardiac output.
c. arteriole resistance.
d. pulmonary circulation.
e. receptors in the aorta and carotid arteries
Answer: d
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Wild type fruit flies have red eyes. A white-eyed female fly is crossed with a red-eyed male fly. All of the females from the cross are red-eyed and all of the males are white-eyed. What type of inheritance pattern is this?
A: Sex-linked B: Autosomal recessive C: Autosomal dominant D: Incomplete dominance E: Independent assortment
Retroviruses are unique in that they
A. replicate in nervous system cells. B. do not have a capsid. C. use RNA as a template to make DNA. D. use DNA as a template to make RNA.
The leaves of ginkgo trees are unique because they have
A. unbranched veins. B. forked veins. C. multiply branching veins. D. veins in a netlike pattern. E. veins only around the edges.
Sustained contraction is called
A. twitching. B. summation. C. recruitment. D. isometric binding. E. tetanus.