Inflammation ________
A) is caused by bacterial activity to enhance the spread of disease
B) is caused by viral activity to enhance the spread of the disease
C) slows the healing process with swelling that can impair bodily function
D) brings more leukocytes to the sight of infection
D) brings more leukocytes to the sight of infection
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The salt level in the nephron is particularly high in comparison to its surrounding environment. Which of the following will most likely occur?
A) The salts will move from high to low concentration. B) The salts will move into the descending loop. C) Other dissolved substances will move into the nephron. D) The fluid in the nephron will move into the surrounding environment.
In cardiac muscle,
A) calcium ions are not released from the sarcoplasmic reticulum. B) calcium ions do not bind to troponin molecules. C) calcium ions play no role in the process of contraction. D) about 20 percent of the calcium ion required for contraction comes from outside the cell. E) calcium ions play an important role in repolarizing the membrane after the depolarization phase.
Thyroid hormones
a. regulate basal metabolic rate b. are released from the thyroid gland immediately after synthesis c. contain chromium and zinc as structural cofactors d. are tropic e. are none of the above
Arteries can constrict or dilate as needed because of the smooth muscle found in the
A. tunica intima. B. tunica media. C. tunica adventitia. D. tunica externa. E. tunica interna.