Myelination increases the speed of conduction by decreasing the time constant and increasing the length constant. It achieves this by
A) Increasing membrane resistance and decreasing capacitance.
B) Increasing both membrane resistance and capacitance.
C) Decreasing membrane resistance and increasing capacitance.
D) Decreasing both membrane resistance and capacitance.
Answer: A
You might also like to view...
The second half of the menstrual cycle is regulated largely by
A. the corpus luteum. B. the corpus albicans. C. the corpus spongiosum. D. the posterior pituitary gland. E. the endometrium.
How are antibodies transferred from mother to offspring in birds?
A) Offspring obtain antibodies from the egg yolk. B) Offspring obtain antibodies from the egg whites. C) Offspring obtain antibodies from the mother's regurgitated food. D) A and B
Which of the following describes phospholipids in the plasmalemma?
A) The phosphate heads are hydrophobic. B) The lipid tails are hydrophobic. C) The heads are on the inside. D) The tails are at the surface. E) The lipid tails are hydrophilic.
Put these autorhythmic cells into the correct order for conveying electrical signals through a normal heart.
1. bundle of His 2. internodal pathway 3. Purkinje fibers 4. atrioventricular node 5. sinoatrial nodes 6. left and right bundle branches A) 3, 6, 1, 4, 2, 5 B) 5, 2, 4, 1, 6, 3 C) 5, 2, 1, 6, 4, 3 D) 4, 2, 5, 1, 6, 3 E) 5, 4, 1, 6, 2, 3