Endochondral ossification begins with a(n) _________ model
A. mesenchyme
B. dense connective tissue
C. hyaline cartilage
D. membranous
E. osteoid
C
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Which statement correctly describes the term left atrioventricular valve?
A) Its cusps open into the left atrium. B) Its cusps open into the superior vena cava. C) Its cusps open into the aorta. D) Its cusps open into the left ventricle. E) Its cusps open into the pulmonary trunk.
The mass number of an atom is the number of
A. neutrons in the atom. B. protons plus electrons in the atom. C. protons in the atom. D. electrons plus neutrons in the atom. E. neutrons plus protons in the atom.
What microscopic structure is the "functional" unit of the kidney?
A) Renal cortex B) Renal pyramid C) Ureter D) Nephron
A lesion in the red nucleus results in
A. resting tremors. B. intention tremors. C. sleeping tremors. D. reflex tremors.