If a physician applies eye drops that inhibit muscle fibers controlled by the parasympathetic division, you would expect
A. no change in the size of the pupil.
B. the patient's pupil to constrict.
C. the patient's pupil to dilate.
Answer: B
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Heme released from hemoglobin in aged red blood cells is decomposed in the liver into
A) iron and the bile pigment biliverdin, which is eventually converted to bilirubin. B) serum and plasma proteins. C) iron and interleukins. D) iron and the bile pigment bilirubin, which is eventually converted to biliverdin.
Hydrogen bonds form between the partially charged atoms of two polar molecules, such as the slightly positively charged hydrogen atom of one water molecule and the slightly negatively charged oxygen atom of another.
Answer the following statement true (T) or false (F)
The first heart sound is produced when the semilunar valves close.
Answer the following statement true (T) or false (F)
What does an ovulated oocyte first come into contact with?
A) uterine tube B) fimbriae C) uterus D) oviduct