Sympathetic stimulation of the kidney can do all of the following except
A) produce powerful vasoconstriction of the afferent arterioles.
B) increase the glomerular filtration rate.
C) trigger renin release.
D) produce renal ischemia.
E) reduce blood flow to kidneys.
B
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The determinant of whether heart valves are open or closed is the pressure difference across them.
Answer the following statement true (T) or false (F)
In arteries, the thick layer of elastic fibers associated with the tunica intima is called the
A) tunica intima. B) external elastic membrane. C) tunica media. D) internal elastic membrane. E) tunica externa.
The length of the prenatal development period is called the ________ period.
A) atresia B) gestation C) spermatogenesis D) embryology E) None of the answers are correct.
A large animal veterinarian wants to administer flunixin meglumine intramuscularly (IM) to a dairy cow to control her fever. Flunixin meglumine is approved for use intravenously (IV) in beef and dairy cattle to control fever and inflammation. The veterinarian feels that it is easier to give this drug IM versus IV and that the convenience of administration route is a valid reason to use a drug
extra-label. Is the veterinarian correct? Why or why not? What will be an ideal response?