Which of the following most accurately describes a Valsalva? maneuver?
A) Firmly pressing the carotid artery against the transverse process of the vertebra behind it
B) Asking the patient to bear down as if to move his bowels with his nose and mouth closed
C) Digital rectal stimulation
D) Immersing the face in cold water
Ans: B) Asking the patient to bear down as if to move his bowels with his nose and mouth closed
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The membranous sac that encloses the fetus is known as the:
a. chorion b. amnion c. tunica albicans d. placenta
. In the cytoplasm of the cell, the ________ are responsible for protein synthesis.
Fill in the blank(s) with the appropriate word(s).
The shallow, V-shaped depression in the middle of the upper lip is the ____________
a. nasolabial groove b. ala c. vermillion border d. philtrum
The enamel surface is etched with ____________
a. saline solution b. phosphoric acid c. eugenol d. aluminum chloride