Common pulmonary function abnormalities in individuals with moderate obstructive pulmonary disease include:
A. normal FEV1, normal expiratory flow rates, normal RV/TLC ratio
B. increased FEV1, increased expiratory flow rates, increased RV/TLC ratio
C. decreased FEV1, decreased expiratory flow rates, increased RV/TLC ratio
D. decreased FEV1, decreased expiratory flow rates, decreased RV/TLC ratio
E. decreased FEV1, normal expiratory flow rates, increased RV/TLC ratio
ANS: C
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The olfactory tract
a) projects directly to the primary olfactory cortex and to the limbic system and hypothalamus. b) conducts impulses directly to the thalamus. c) contains only motor neurons. d) receives information from the taste buds. e) consists of the olfactory and vestibulocochlear nerves.
A ten-year-old boy falls from a tree, but manages to slow his descent somewhat by grabbing onto limbs he passes on the way to the ground. When he finally lands, he experiences some soreness on the buttocks, but otherwise does not think he is hurt until he discovers that he cannot move his fingers easily or accurately. What structures have been damaged?
What will be an ideal response?
The end of a muscle that remains stationary when the muscle contracts is called the
A) insertion. B) fulcrum. C) septum. D) origin. E) fixator.
What structure does "E" represent on the diagram of the plasma membrane?
A. membrane channel protein B. receptor protein C. internal membrane surface D. peripheral protein E. phospholipid bilayer