Poison ivy contains a toxin that acts as a hapten by
A. raising the body's sensitivity to a wide variety of chemicals such as penicillin.
B. preventing effective immune responses by blocking release of bradykinin.
C. combining with a body protein and then triggering an immune response.
D. cutting plasma protein antibodies in half.
Answer: C
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Autorhythmicity in the heart is the responsibility of:
A) contractile cells. B) cardiac pacemaker cells. C) smooth muscle cells. D) skeletal muscle cells.
Compared with the pectoral girdle, the pelvic girdle is
A) more robust, adapted for weight bearing. B) composed of more separate bones. C) more flexible and freely movable. D) less strongly anchored to the axial skeleton. E) None of the answers are correct.
The amount of filtrate entering the proximal tubules of the kidneys each minute is the ________.
Fill in the blank(s) with the appropriate word(s).
Where does implantation of the fertilized ova typically occur in the feline reproductive tract?
A) uterine horn B) uterine body C) ovary D) vagina