BIO 669 quiz 2 with verified answers
100% correct
When both Na+ and K+ are permeable at the same time, what will happen to the membrane
potential? - correct answer ✔✔The cell membrane depolarized
Graded potentials are all of the following except: - correct answer ✔✔Impulses which travel
without diminishing over distance
Movement of K+ down its electrochemical gradient will result in what effect on membrane
potential? - correct answer ✔✔Hyperpoloarization
The reticular formation is responsible for? - correct answer ✔✔Wakefulness and vital reflexes
Damage to Broca's area is mostly likely to cause: - correct answer ✔✔inability/difficulty in
forming words (expressive aphasia)
A stroke affecting the temporal lobe would most likely affect: - correct answer ✔✔Primary
auditory complex (language recognition)
Vascular smooth muscle is most impacted by what type of receptor? - correct answer ✔✔Alpha
1
The alpha-1 receptor will, upon binding to its ligand, will result in which of the following effects:
- correct answer ✔✔Excitation and vasoconstriction of vascular smooth muscles
100% correct
When both Na+ and K+ are permeable at the same time, what will happen to the membrane
potential? - correct answer ✔✔The cell membrane depolarized
Graded potentials are all of the following except: - correct answer ✔✔Impulses which travel
without diminishing over distance
Movement of K+ down its electrochemical gradient will result in what effect on membrane
potential? - correct answer ✔✔Hyperpoloarization
The reticular formation is responsible for? - correct answer ✔✔Wakefulness and vital reflexes
Damage to Broca's area is mostly likely to cause: - correct answer ✔✔inability/difficulty in
forming words (expressive aphasia)
A stroke affecting the temporal lobe would most likely affect: - correct answer ✔✔Primary
auditory complex (language recognition)
Vascular smooth muscle is most impacted by what type of receptor? - correct answer ✔✔Alpha
1
The alpha-1 receptor will, upon binding to its ligand, will result in which of the following effects:
- correct answer ✔✔Excitation and vasoconstriction of vascular smooth muscles
