Which of the following is an incorrect association?
A) atrioventricular—tricuspid valve
B) atrioventricular—aortic valve
C) semilunar—pulmonary valve
D) atrioventricular—mitral valve
E) None of the answers are correct.
B) atrioventricular—aortic valve
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The muscle that originates from the superior surface of the pubis around the symphysis is the
A) internal oblique. B) external oblique. C) rectus abdominis. D) transversus abdominis. E) scalene.
Where are the cell bodies of almost all motor neurons situated within the spinal cord?
a. cauda equina b. cervical ganglia c. dorsal horn d. lateral horn e. ventral horn
A function of tropomyosin is
a. to bind Ca2+ b. to form attachments with myosin cross bridges c. to prevent myosin cross bridges from attaching to the thin filaments d. to act as an ATPase e. none of the above
At age 85, Lyle's immune system does not respond to vaccines as well as it did when he was younger. The atrophy of which endocrine gland is likely responsible for this?
A) thyroid B) thymus C) adrenal D) anterior pituitary