The posterior interventricular artery is a branch off of the
A. superior vena cava.
B. left coronary artery.
C. right coronary artery.
D. coronary sinus.
E. left marginal artery.
Answer: C
Anatomy & Physiology
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During the third week of development, what is the result of gastrulation?
A. It converts the epiblast into a hypoblast. B. It converts the hypoblast into endoderm. C. It forms the primitive streak. D. It forms the neural tube. E. It forms the amniotic cavity.
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The type of adrenergic receptor found on the smooth muscle cells of blood vessels in the skin is
A. a1 B. a2 C. b1 D. b2
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The "heart" can actually be classified as a hormone-producing structure.
a. true b. false
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The ________ is the portion of the uterus that protrudes into the vagina.
A. infundibulum B. body C. cervix D. clitoris
Anatomy & Physiology