Deflection of the basilar membrane
a. activates the receptors of the organ of Corti.
b. occurs in response to fluid movements in the cochlea.
c. results from displacement of the round window.
d. both activates the sound receptors of the organ of Corti and occurs in response to fluid movements in the cochlea are correct.
e. all of these answers.
D
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Which of the following is true about the difference between cardiac muscle cells and skeletal muscle cells?
A) Cardiac muscle cells does not have striations like skeletal muscle cells. B) Cardiac muscle cells does not have t-tubules. C) Cardiac muscle cells does not have sarcomeres. D) Cardiac muscle cells have intercalated discs where skeletal muscle cells do not. E) Cardiac muscle cells have more nuclei in them than skeletal muscle cells.
Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as ________.
A) exocrine B) endocrine C) sebaceous D) ceruminous
An increase in cardiac sympathetic activity ____________________ the rate of depolarization of the SA node
Fill in the blank(s) with correct word
Which statement is true of antibody IgE?
A) IgE is mainly found in secretions such as tears and saliva. B) IgE is passed from mother to fetus during pregnancy. C) IgE is the most abundant antibody in blood plasma. D) IgE can fix complement. E) IgE is involved in allergies.