Which of the following increases the angle of a joint?
a. flexion
b. rotation
c. abduction
d. extension
e. adduction
f. circumduction
d. extension
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If a patient has been infected by parasites, which white blood cell would be elevated in the bloodstream?
A) Neutrophil B) Basophil C) Monocyte D) Eosinophil
Hormones often cause a cell to elicit multiple responses; this is because ________
A) during protein kinase activation, enzymes phosphorylate many other enzymes B) there are thousands of receptors on the cell membrane C) the receptors bind to several hormones at the same time D) the protein kinases are rapidly metabolized into functional amino acids
At equilibrium, when no net diffusion of Na+ or K+ is occurring through the membrane, Na+-K+ pumps do not have to pump Na+ or K+
Indicate whether the statement is true or false
Which of the following will help cool the body?
A. decreased blood flow to the skin B. absorption of excess sweat C. evaporation of sweat from the skin's surface D. absorption of ultraviolet light rays by the skin E. contraction of the arrector pili muscles