When an antigen is bound to a Class I MHC molecule, it can stimulate a ________ cell
A) B
B) plasma
C) helper T
D) cytotoxic T
E) NK
D
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A fibrous joint cannot also be which of the following?
A. A gomphosis B. A diarthrosis C. An amphiarthrosis D. A synarthrosis E. A suture
If the pacemaker cells in the SA node become more permeable to potassium ions, the
A) heart rate will increase. B) heart rate will decrease. C) cells will depolarize. D) cells will hyperpolarize. E) heart rate will decrease and cells will hyperpolarize.
Reaction to a stimulus is called a(n) ____________________.?
Fill in the blank(s) with correct word
Which of the following factors would not be associated with an increase in blood pressure?
A) increased heart rate B) increased stroke volume C) increased blood viscosity (as in polycythemia) D) increased total vessel length (as in obesity) E) decreased vasodilation F) all of the above G) none of the above