The disease called multiple sclerosis involves an immune response against myelin of the central nervous system, causing scar formation (sclerosis) within the neural tissue. How would this affect nerve impulse conduction?
Answer: Impulses are blocked or interrupted.
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The postcentral gyri of the parietal lobes of the cerebral cortex
a) are considered the primary gustatory area. b) receive body sensory information. c) control voluntary body movements. d) receive visual information. e) provide the ability to move the eyeballs.
Bisphenol-A ( BPA ) is an endocrine disruptor that can leach out of certain plastics. It disrupts the normal function of the endocrine system my mimicking estrogen
Which of the following explains how persistent small amounts of BPA in the body can have effects? A) lock-and-key B) up-regulation C) down-regulation D) half-life
Which chemical induces prolonged contraction of smooth muscle during allergic reactions?
a. basophil chemotactic factor b. eosinophil chemotactic factor c. histamine d. SRS-A e. TP-2
Alpha-1-adrenergic receptors are mediated by ________.
A. Ca2+ B. Na+ C. cAMP D. K+