Before working at the hospital, Beth was given a Mantoux skin test to detect tuberculosis. If it were positive, the site of the test would become hardened and red. What type of response is this?
A. immediate allergic
B. histamine
C. B-cell mediated
D. anaphylactic
E. delayed allergic
Answer: E
You might also like to view...
Which neuronal structure has the greatest density of voltage-gated Na+ channels, resulting in the lowest threshold
potential along a neuron?
a. dendrites b. cell body c. axon hillock d. axon e. axon terminals
Eukaryotes are genetically closer to the archea
in the process of
a. metabolism. b. membrane formation. c. DNA replication. d. all of these. e. none of these
Large grazing ungulates and burrowing animals are most abundant in
A) deserts. B) tropical rain forest. C) temperate shrubland. D) temperate grassland.
The motor (somatic nervous) system can alter the activities of its targets, the skeletal muscle fibers, because _____
A) it is electrically coupled by gap junctions to the muscles B) its signals bind to receptor proteins on the muscles C) its signals reach the muscles via the blood D) it is connected to the internal neural network of the muscles