Which of the following is not a function of the spleen?
A. It helps stabilize blood volume.
B. It produces blood cells in the fetus.
C. Its lymphocytes and macrophages monitor the blood for pathogens.
D. It breaks down dead red blood cells and recycles useful components.
E. It produces hormones that promote lymphocyte maturation.
Answer: E
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Which of the following will stimulate intestinal motility?
A. Low pH B. Presence of amino acids C. Distension of the intestinal wall D. All of the choices are correct.
Blood colloid osmotic pressure tends to draw water out of the filtrate and into the plasma. Why does this occur?
A) The solute concentration in the proximal convoluted tubule is higher than that of the distal convoluted tubule. B) The solute concentration in the blood exceeds that within the filtrate. C) The solute concentration in the filtrate exceeds that within the blood. D) The filtrate contains higher concentrations of protein than that within the blood. E) The filtrate contains higher numbers of red blood cells than that within the blood.
The ____ is the major excretory organ of the body because it eliminates nitrogenous wastes
a. liver b. bladder c. skin d. kidney
A cell that produces many proteins for secretion would have large numbers of
A. mitochondria and cilia. B. rough ER and Golgi apparatus. C. ribosomes and centrioles. D. Golgi apparatus and microvilli. E. lysosomes and Golgi apparatus.