When both Na+ and K+ are permeable at the same time, what will happen to the membrane potential? - ANSWERThe cell membrane depolarized
Graded potentials are all of the following except: - ANSWERImpulses which travel without diminishing over distance
Movement of K+ down its electrochemical gra...
BIO 669 quiz 2 Questions &
Answers 100% Correct!!
When both Na+ and K+ are permeable at the same time, what will happen to the membrane
potential? - ANSWERThe cell membrane depolarized
Graded potentials are all of the following except: - ANSWERImpulses which travel without
diminishing over distance
Movement of K+ down its electrochemical gradient will result in what effect on membrane potential?
- ANSWERHyperpoloarization
The reticular formation is responsible for? - ANSWERWakefulness and vital reflexes
Damage to Broca's area is mostly likely to cause: - ANSWERinability/difficulty in forming words
(expressive aphasia)
A stroke affecting the temporal lobe would most likely affect: - ANSWERPrimary auditory complex
(language recognition)
Vascular smooth muscle is most impacted by what type of receptor? - ANSWERAlpha 1
The alpha-1 receptor will, upon binding to its ligand, will result in which of the following effects: -
ANSWERExcitation and vasoconstriction of vascular smooth muscles
The ______ division of the autonomic nervous system helps conserve energy and the bodys
resources (rest and digest) and uses _______ as its neurotransmitter(s) - ANSWERParasympathetic;
acetylcholine
Parasympathetic system stimulation causes all of the following except: - ANSWERIncreasing
vasodilation of vascular smooth muscle
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