A spasm or excessive contraction of which of the following muscles will contribute to subluxation of the mandible by drawing the articular disc beyond the articular eminence of the TMJ?
A. Temporalis
B. Buccinator
C. Medial pterygoid
D. Lateral pterygoid
Ans: D. Lateral pterygoid
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The nature of the boundary layer depends on which of the following?
A. the roughness of the body's surface B. the body's velocity relative to flow C. both A and B D. none of the above
For relaxation to occur,
A. ACh receptors open and Ca++ channels on the sarcoplasmic reticulum close. B. ACh receptors close and Ca++ channels on the sarcoplasmic reticulum open. C. ACh receptors close and Ca++ channels on the sarcoplasmic reticulum close. D. ACh receptors open and Ca++ channels on the sarcoplasmic reticulum open.
Which of the following parts of the eye refract light to focus it on the retina?
A) sclera and choroid B) ciliary body and suspensory ligaments C) cornea and lens D) pupil and iris
Antibodies are produced by
A) macrophages. B) microphages. C) plasma cells. D) mast cells. E) fibroblasts.