Excessive contraction of which of the following muscles may contribute to dislocation of the jaw by drawing the articular disc beyond the articular eminence of the TMJ?
A. Temporalis
B. Medial pterygoid
C. Lateral Pterygoid
D. Masseter
Answer: C. Lateral Pterygoid
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The organ that monitors and adjusts the composition of tubular fluid, recycles damaged sperm, and is the site of sperm maturation is the
A) ductus deferens. B) rete testis. C) seminal gland (seminal vesicle). D) epididymis. E) prostate gland.
A hemoglobin molecule contains ________ globular protein subunits
A) 1 alpha and 1 beta B) 2 alpha and 2 beta C) 2 alpha and 3 beta D) 4 alpha E) 4 beta
Which of the following is not a component of the lamina propria of the olfactory organ?
A) areolar tissue B) blood vessels C) nerves D) olfactory glands E) olfactory epithelium
Which of the following best describes the sarcoplasmic reticulum?
A) protein that accounts for elasticity of resting muscle B) repeating unit of striated myofibrils C) storage and release site for calcium ions D) thin filaments are anchored here E) largely made of myosin molecules