Polymodal nociceptors
a. respond only to mechanical damage such as cutting, crushing, or pinching.
b. transmit impulses along A-delta fibers.
c. activate the slow pain pathway.
d. release prostaglandins.
e. none of these answers.
C
You might also like to view...
Which of the following statements regarding phagocytosis is TRUE?
A. Phagocytosis is controlled by a negative feedback mechanism whereby phagocytes release chemicals that inhibit further phagocytosis. B. Antibodies found inside lysosomes attack and kill microbes that are engulfed by phagocytosis. C. The microbe engulfed by the phagocyte is killed by lysosomal enzymes and hydrogen peroxide. D. Macrophages are the only phagocytes in human tissues. E. The microbe engulfed by the phagocyte is killed by the membrane attack complex (MAC).
Which cranial nerve is responsible for innervating the intrinsic and extrinsic tongue muscles?
a. accessory (CN XI) b. glossopharyngeal (CN IX) c. trigeminal (CN V) d. hypoglossal (CN XII)
Which best describes the specific cause of Parkinson disease?
A. enhanced sensitivity of cholinergic receptors to acetylcholine B. reduced ability of neurons in the substantia nigra to release dopamine C. failure of serotonin receptors to bind with these neurohormones D. hyperactivity of metabolic enzymes that degrade dopamine E. natural tendency of basal nuclei to follow a daily recurring, oscillating cycle of rising and falling norepinephrine release
All of the following are mechanoreceptors except ________.
A. tactile corpuscles B. sensory neurons wrapped around hair follicles C. cone cells D. lamellated corpuscles