What structure diverts oxygenated blood from the fetal liver directly to the fetal inferior vena cava?
A) Umbilical artery
B) Ductus arteriosus
C) Ductus venosus
D) Foramen ovale
Answer: C
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Regarding muscle fiber elongation,
A) many active mechanisms exist for muscle fiber elongation. B) muscle contraction is passive; whereas, elongation is active. C) opposing muscle movements are not a factor. D) gravity may help lengthen a muscle fiber after elongation. E) elastic forces are generated where a muscle fiber elongates.
When a single atom of one molecule trades places with a single atom of another molecule, the swapping is called a ________ reaction.
A. neutralization B. replacement C. degradation D. ionization
Which of the following is the term for a deficiency of oxygen or the inability to utilize oxygen in a tissue?
A. Apoxia B. Hypoxia C. Eupnea D. Cyanosis E. Anoxia
Which of the following descriptions best matches the term basilar membrane?
A) moves up and down when the stapes moves back and forth B) separates the cochlear duct from the scala vestibuli C) supports the olfactory organ D) tiny duct necessary for the static sense of equilibrium E) covers over the oval window