A long bone consists of a shaft composed of ________ and an end composed of ________
A) compact bone, compact bone
B) spongy bone, compact bone
C) compact bone, spongy bone covered by compact bone
D) trabeculae, hard solid bone
Answer: C
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In response to high blood pressure, stretch receptors called __________ in the walls of arteries carrying blood to the head will trigger a reflex that causes the heart to __________ its beats per minute.
A. baroreceptors; decrease B. proprioceptors; decrease C. baroreceptors; increase D. proprioceptors; increase E. chemoreceptors; increase
You observe that your friend has dimples. Dimples result from the presence of the dominant gene D; absence of dimples is a homozygous recessive condition (dd). What genotype or genotypes might your friend have?
A) dd only B) DD or Dd C) DD only D) Dd only
Explain why an abundance of mitochondria in slow-oxidative fibers is correlated with an abundance of capillaries
A) Increased delivery of oxygen is needed for sustained ATP production. B) They are both needed to produce the color of the slow-oxidative fibers. C) Myosin ATPase needs increased ATP production. D) Large diameter fibers enable more room for mitochondria, which in turn require more capillaries.
Bilirubin causes a skin discoloration called?
A. erythema. B. jaundice. C. pallor. D. bronzing. E. cyanosis.