Which of the following statements regarding the temporomandibular (TMJ) joint is correct?
A. The joint is divided into lateral and medial cavities by an articular disc of cartilage.
B. The joint has a cartilage capsule.
C. The joint is a combination plane and ellipsoidal joint.
D. The joint allows rotation.
E. The joint is located between the maxilla and the mandible.
C
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Vasoconstriction is a reduction in the lumen diameter of a blood vessel due to smooth muscle contraction. Vasodilation is a widening of the lumen due to smooth muscle relaxation. Both are regulated by vasomotor nerve fibers of the sympathetic division of the autonomic nervous system.
What will be an ideal response?
Despite being a more immediate source of energy for a cell, glucose must be stored as glycogen in order to prevent excess intracellular fluid from accumulating.
Answer the following statement true (T) or false (F)
The temporoparietalis muscle acts to
A) move the external ear. B) purse the lips. C) depress the lip. D) draw the corner of the mouth back and up. E) close the eye.
White blood cells engulf bacteria by means of ________
A) pinocytosis B) cotransport C) phagocytosis D) receptor-mediated endocytosis E) active transport