The cells responsible for cell-mediated immunity are the _________.
A) B lymphocytes.
B) T lymphocytes.
C) plasma cells.
D) suppressor T lymphocytes.
B) T lymphocytes.
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There are three anterior thoracic muscles. Select the exception.
A. Levator scapulae B. Subclavius C. Pectoralis minor D. Serratus anterior
A bell curve is characteristic of the distribution of phenotypes of a multifactorial trait because
A. most people are average for the trait. B. the phenotypes at the ends of the curve correspond to fewer genotypes than the phenotypes at the middle of the distribution. C. the phenotypes in the middle of the curve correspond to fewer genotypes than the phenotypes at the ends of the distribution. D. people at the extreme ends of the distribution do not survive to reproduce.
Most muscles cross at least one
a) tendon b) joint c) bone d) ligament e) body plane
The myogenic mechanism for GFR auto regulation involves
a. the response to changes in the nephron's tubular component. b. the response to changes in pressure within the nephron's vascular component. c. the release of vasoactive paracrines from the juxtaglomerular apparatus. d. the detection of flow changes by the cells of the macula densa.