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Homeostatic mechanisms that monitor and adjust the composition of body fluids
respond to changes in the ________ fluid.
A) lymphatic
B) intracellular
C) plasma
D) extracellular
E) cerebrospinal
A person whose platelet count is 40,000/µl is suffering from
A) thrombocytosis.
B) leukocytosis.
C) hemocytosis.
D) thrombocytopenia.
E) leukopenia.
The process by which a viable embryo is formed is called
A) embryogenesis.
B) organogenesis.
C) gametogenesis.
D) morphogenesis.
E) blastogenesis.
Compared to blood capillaries, lymph capillaries exhibit all of the following except that
they
A) have no basement membrane.
B) have only a tunica interna.
C) have walls of endothelial cells that overlap like shingles.
D) are smaller in diameter.
E) are frequently irregular in shape.
Cells that respond to a hormone are called ________ cells.
A) stem
B) pluripotent
C) germ
D) target
E) peripheral
Twins that occur when blastomeres separate are called
A) monozygotic.
B) blastulatory.
C) zygoblastic.
D) dizygotic.
E) fraternal.
Photoreceptor cells that are most useful in dim light are
A) rods.
B) cones.
C) amacrine cells.
D) horizontal cells.
E) bipolar cells.
The ________ is a capillary bed that parallels the nephron loop (loop of Henle).
A) glomerulus
B) peritubular capillary bed
C) afferent arteriolar bed
D) collecting duct
E) vasa recta
Ascending tracts in the spinal cord relay ________ information.
A) sensory
B) motor
C) sensory and motor
D) only somatic
E) autonomic
Suppose that you feel something brushing against your abdomen. The sensory
information would be carried to the spinal cord over a(n) ________ ramus.
A) dorsal
B) sympathetic
C) lateral
D) ventral
E) ascending
