Within the temporomandibular joint, translation (gliding) occurs between the disk and the
A. mandibular condyle.
B. tympanic plate.
C. lateral pterygoid muscle.
D. articular eminence.
Answer: D. articular eminence.
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What is the defining characteristic of an allosteric protein?
A. They contain two ligand-binding sites, one that activates the protein when a ligand binds, and the other that inactivates the protein when the same ligand binds. B. They contain only one ligand-binding site, but because the specificity is low, many different ligands can bind to it. C. They contain two polypeptide chains, with each being an exact mirror image of the other. D. They contain more than one ligand-binding site, and noncovalent binding of a ligand to one site alters the shape of other ligand-binding sites. E. They contain no binding sites of their own, but act by modulating the activity of other proteins.
Which nerve innervates most of the flexor muscles of the forearm and the muscles of the thenar area of the hand?
A) axillary nerve B) median nerve C) musculocutaneous nerve D) radial nerve E) ulnar nerve
If interleukin-3 levels increased, an increase in the body's ability to produce histamine would be expected.
Answer the following statement true (T) or false (F)
How is the basal metabolic rate (BMR) different from the total metabolic rate (TMR)?
A. The BMR includes energy expenditures for muscular contractions. B. The BMR is calculated when one is asleep. C. The TMR includes the BMR. D. The BMR includes the TMR.