Which one of the following is NOT true?
A. Blood is more viscous than water.
B. The average amount of blood in an adult body is about 5 pints.
C. The normal range for the blood pH is 7.35 to 7.45.
D. Red blood cells normally live approximately 120 days.
E. The normal red blood cell count is approximately 5 million/cubic millimeter of blood.
Ans: B. The average amount of blood in an adult body is about 5 pints.
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The first heart sound ("lubb") is associated with
A) atrial systole. B) closing of the atrioventricular valves. C) opening of the atrioventricular valves. D) closing of the semilunar valves. E) opening of the semilunar valves.
Which of the following animals can see well in a 360 degree radius?
a. horses c. rabbits b. cattle d. sheep
What is the pathway of sound vibrations to the inner ear?
What will be an ideal response?
A delayed response such as contact dermatitis is an example of what type of hypersensitivity reaction?
A) Type I B) Type II C) Type III D) Type IV