If a resting axon increases its permeability to sodium ions:
A) the membrane potential will repolarize.
B) the outward movement of sodium ions will decrease.
C) the membrane potential will hyperpolarize.
D) the influx of sodium ions will increase and the membrane will depolarize.
Answer: D
You might also like to view...
A side chain on an amino acid is sometimes called
A) fibrous or globular. B) a polypeptide chain. C) an R group. D) an isozyme. E) nucleic acid.
Which is the correct description of a molecule?
A) It is an electrically charged atom. B) It cannot be broken down physically. C) It is comprised of two or more elements bonded together. D) It is the smallest unit of matter. E) It is comprised of two or more atoms sharing electrons
The use of which birth control method often results in the cessation of the uterine cycle?
A) condoms B) intrauterine device C) diaphragm with spermicide D) progesterone-only shots E) the rhythm method
The type of lamellae found between osteons (Haversian systems) is
A. interstitial. B. oppositional. C. appositional. D. circumferential. E. concentric.