The body's first line of defense against invading organisms is the:
a. Immune response
b. Inflammatory response
c. Pathogenic response
d. Skin and mucous membranes
Answer: d. Skin and mucous membranes
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Which of the following would be an adequate stimulus for a chemoreceptor?
A) oxygen B) vibration C) cell stretch D) photon of light E) cold temperature
When peptides and catecholamines bind to the target cell, how do they stimulate its physiology?
a) through lysosomal enzymes b) through DNA transcription c) through gene activation d) through second messenger systems
Which of the following is not a reason why substances are either not reabsorbed or are incompletely reabsorbed from the nephron?
A) They lack carriers. B) They are not lipid soluble. C) They are too large to pass through the fenestrations. D) They are extremely complex molecules.
The formal term for the sense of gravity, rotation, and linear acceleration is the sense of
A) proprioception. B) hearing. C) nociception. D) equilibrium. E) vision.