Predict the effect of peripheral vasodilation on a person's body temperature
A) Body temperature would increase.
B) Body temperature would decrease.
C) Body temperature would stay the same.
Answer: B
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Which best describes the process of "adaptation" in sensory receptors?
A. A depolarization of receptive membrane that increase in magnitude as the stimulus intensity increases B. Conversion of the energy of a stimulus into a pattern of electrical activity C. Persistence of the sensation of a limb even after it has been severed from the body D. A decrease in receptor sensitivity despite continuation of a stimulus E. Information from sensory receptors reaches the cerebral cortex and the person becomes aware of it
Indicate the type of epithelium that is best suited for allowing diffusion of substances, as would be found lining the air sacs of the lungs.
A. Transitional B. Stratified squamous C. Simple squamous D. Simple columnar
All of the following bones have sinuses except which one?
A. Ethmoid B. Frontal C. Sphenoid D. Mandible
When ________, blood is forced into the ventricles.
A. the atria contract and the ventricles relax B. the atria relax and the ventricles contract C. both the atria and the ventricles relax D. both the atria and the ventricles contract