The T cell receptor
a. is associated with the CD3 receptor on the cell surface
b. binds soluble antigen
c. only binds antigen which is presented by the correct MHC class I or II molecule
d. A and B
e. A and C
e. A and C
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The rate of metabolism of alcohol
A. is faster in chronic drinkers than it is in occasional drinkers. B. is faster in occasional drinkers than in chronic drinkers. C. does not affect blood alcohol concentration. D. is slower when a person eats a large meal.
To detect a movement of the head, receptors in the semicircular canals sense motion in which of the following?
A. Cilia B. Crista C. Endolymph D. All of the above
Which of the following pathological conditions is commonly called pinkeye?
A) conjunctivitis B) hordeolum C) blepharitis D) pterygium
The primary adaptations that occur during heat acclimatization are
A. a decreased plasma volume, earlier onset of sweating, and a lower sweat rate. B. a decreased plasma volume, earlier onset of sweating, and higher sweat rate. C. an increased plasma volume, earlier onset of sweating, and a higher sweat rate. D. an increased plasma volume and lower sweat rate.