The process that involves the fusion of the two sides of the embryonic disc at a newly formed midline, thereby creating a cylindrical embryo is __________ folding
A. invagination
B. cephalocaudal
C. transverse
D. amphiamniotic
E. coronal
C
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Which of the following is a possible complication of renal failure?
A. Anemia B. Hypercalcemia C. Hypotension D. Myxedema
When the bladder of an infant is filled with urine, the
a. stretch receptors in the bladder wall are inhibited b. parasympathetic nerve supplying the bladder is inhibited, allowing the bladder to relax c. motor neuron supplying the external urethral sphincter is stimulated, causing the sphincter to open d. motor neuron supplying the external urethral sphincter is inhibited, allowing the sphincter to open e. parasympathetic nerve supplying the internal urethral sphincter is stimulated, causing the sphincter to close
Pregnancy tests often involve checking the urine for the presence of
A. human chorionic gonadotropin. B. sulfonamides. C. epinephrine and prostaglandin. D. bilirubin from the fetus.
What response would you expect after traveling to high altitude for two weeks?
A. Blood levels of oxygen would remain depressed for the duration. B. A surge in iron release from the liver would occur. C. The kidneys would secrete elevated amounts of erythropoietin. D. There would be no change in blood composition.