Pain, heat, and cold are detected by ________.
A. tactile discs
B. tactile corpuscles
C. end bulbs
D. free nerve endings
E. lamellar corpuscles
Answer: D
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a. electrical intensity. b. fluid pressure. c. mitochondrial activity. d. solute concentration. e. water concentration.
A patient has been identified to have a "leaky" ileum, which is causing inflammation and irritation of one of his mesenteries. Which of the following mesenteries is most likely to become inflamed?
A) mesocolon B) mesentery proper C) lesser omentum D) greater omentum
Parasympathetic neurons release acetylcholine onto cells in the atria of the heart, but not onto cells of the ventricles.
Answer the following statement true (T) or false (F)
Which photoreceptor cells are more numerous?
A. Cones B. Rods