Blood is a mixture of fluid and insoluble particles that are large enough to be visible, such as blood cells and platelets. Therefore, blood is a __________.
A. suspension
B. solution
C. solvent
D. colloid
Ans: A. suspension
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Which of the following is/are true regarding anatomical reference position?
A. palms face forward B. erect posture C. starting position for describing motion D. all of the above
The factor favoring filtrate formation at the glomerulus is the ________.
A) colloid osmotic pressure of the blood B) glomerular hydrostatic pressure C) capsular hydrostatic pressure D) myogenic mechanism
In an enzymatic reaction, when temperature is increased past the point of "optimal temperature," the enzyme starts to ________.
increase its catalytic activity reduce its catalytic activity increase its allosteric properties increase product formation
The countercurrent heat exchanger that prevents arterial blood from overheating the testes is the ________.
A. pampiniform plexus of veins B. scrotal portal system C. blood-testis barrier D. rete testis E. epididymis