Pain, heat, and cold are detected by ________.
A. lamellar corpuscles
B. end bulbs
C. tactile discs
D. tactile corpuscles
E. free nerve endings
Answer: E
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If a cell is non-selectively engulfing samples of extracellular fluid, for example to absorb nutrients, it will likely utilize ________
A) phagocytosis B) pinocytosis C) receptor-mediated endocytosis D) exocytosis
Which of the following will depolarize immediately after the AV node depolarizes?
A. The AV bundle B. Bundle branches in the ventricular septum C. Purkinje fibers D. Atrial myocardium E. The SA node
Which nucleic acid molecules are directly involved in transcription, but not translation in the synthesis of a particular polypeptide?
A)rRNA B)tRNA C)mRNA D)DNA
The macula densa is part of which of the following structures in the kidney?
A. extraglomerular matrix B. vasa recta C. afferent arteriole D. juxtamedullary nephron E. juxtaglomerular apparatus