Which of these statements about lymph flow in a node is false?
A) Lymph enters in an afferent lymphatic vessel.
B) Lymph first enters the subcapsular space.
C) Lymph flows past dendritic cells.
D) The efferent lymphatic vessel exits at the hilum.
E) The afferent lymphatic vessel enters at the hilum.
Answer: E
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All of the following types of stimuli are sensed by free nerve endings EXCEPT
a) pain. b) tickle. c) temperature. d) pressure. e) itch.
Fibrous joints are classified as ________.
A) pivot, hinge, and ball and socket B) symphysis, sacroiliac, and articular C) hinge, saddle, and ellipsoidal D) sutures, syndesmoses, and gomphoses
Match the term with the appropriate description.A. A bulge (a weak spot) in the artery wallB. Degenerative changes in arteriesC. An overstretching of the veins of the lower extremitiesD. Inflammation of the veinsE. Small vessels that supply nutrients to large arteriesArteriosclerosis
Fill in the blank(s) with the appropriate word(s).
Which of the following enzymes is important for the metabolism of catecholamines?
A. Trypsin B. Tyrosine hydroxylase C. Superoxide dismutase D. Acetylcholinesterase E. Adenylyl cyclase