All of the following are primarily associated with CD4 T-cell function except
a. improve phagocytic mechanisms of tissue macrophages
b. assist B cells in the production of high-affinity antibodies
c. kill virus-infected cells
d. facilitate responses of other immune-system cells during infection
e. assist macrophages in sustaining adaptive immune responses through their secretion of cytokines and chemokines.
C
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Healthy individuals have approximately ____ of CD4 T cells compared with CD8 T cells
a. one quarter the number b. half the number c. equal numbers d. twice the number e. four times the number
The combining form that means arm is ________
Fill in the blank(s) with correct word
The combining form ________ means "give ability."
Fill in the blank(s) with correct word
Answer the following statement(s) true (T) or false (F)
1.Strength training may be used for injury prevention and rehabilitation. 2.In isokinetic exercise, speed of muscle contraction is controlled. 3.A group of lifts followed by a rest period is called a repetition. 4.Muscle contraction that occurs as a muscle lengthens (as in lowering a weight) is termed eccentric contraction. 5.Three types of resistance training programs include free weights, machines, and body weight exercises.