Blood flow is about ______________ L/min.

The second heart sound (S2) “dubb” results from the closure of:

What is the normal hematocrit range (%) for adult males?

HIV initially infects T cells by attaching to which type of surface markers of the T cells?

Which of the following chemical mediators of the immune system will stimulate smooth muscle contraction?

Which of the following will increase capillary permeability to cause edema?

You ask your lab partner to stopper one ear canal while you test the hearing in the other ear by whispering a two-digit number. Name the cranial nerve that are you testing.

Phase III clinical AIDS is definited as the T cell count fall below __________ cells/mm3.

As carbon dioxide levels decrease (which may be caused by hyperventilation), pH ______________, the repiratory rate ______________, and the tubule secretion of H+ in the urine ____________________.

_________________ decreases Na+ reabsorption and ADH production, which causes excretion of large volume of diluted urine.