BIO 669 QUIZ 2 | QUESTIONS AND ANSWERS | 2026 UPDATED
| 100% CORRECT - NORTHERN KENTUCKY UNIVERSITY.
When both Na+ and K+ are permeable at the same time, what will happen to the membrane potential? -
(answer)The cell membrane depolarized
Graded potentials are all of the following except: - (answer)Impulses which travel without diminishing
over distance
Movement of K+ down its electrochemical gradient will result in what effect on membrane potential? -
(answer)Hyperpoloarization
The reticular formation is responsible for? - (answer)Wakefulness and vital reflexes
Damage to Broca's area is mostly likely to cause: - (answer)inability/difficulty in forming words
(expressive aphasia)
A stroke affecting the temporal lobe would most likely affect: - (answer)Primary auditory complex
(language recognition)
Vascular smooth muscle is most impacted by what type of receptor? - (answer)Alpha 1
The alpha-1 receptor will, upon binding to its ligand, will result in which of the following effects: -
(answer)Excitation and vasoconstriction of vascular smooth muscles
A stroke affecting the temporal lobe is most likely to show signs and symptoms affecting the: -
(answer)Patient's speech or hearing
Ephedra is a sympathomimetic, meaning it has sympathetic nervous system activating effects. As such, it
may be assumed to have all of the following side effects EXCEPT - (answer)Diarrhea and abdominal
cramping
| 100% CORRECT - NORTHERN KENTUCKY UNIVERSITY.
When both Na+ and K+ are permeable at the same time, what will happen to the membrane potential? -
(answer)The cell membrane depolarized
Graded potentials are all of the following except: - (answer)Impulses which travel without diminishing
over distance
Movement of K+ down its electrochemical gradient will result in what effect on membrane potential? -
(answer)Hyperpoloarization
The reticular formation is responsible for? - (answer)Wakefulness and vital reflexes
Damage to Broca's area is mostly likely to cause: - (answer)inability/difficulty in forming words
(expressive aphasia)
A stroke affecting the temporal lobe would most likely affect: - (answer)Primary auditory complex
(language recognition)
Vascular smooth muscle is most impacted by what type of receptor? - (answer)Alpha 1
The alpha-1 receptor will, upon binding to its ligand, will result in which of the following effects: -
(answer)Excitation and vasoconstriction of vascular smooth muscles
A stroke affecting the temporal lobe is most likely to show signs and symptoms affecting the: -
(answer)Patient's speech or hearing
Ephedra is a sympathomimetic, meaning it has sympathetic nervous system activating effects. As such, it
may be assumed to have all of the following side effects EXCEPT - (answer)Diarrhea and abdominal
cramping
