BIO 669 NKU Quiz 2 Questions with 100% Verified
Answers Latest Update
Question: 1. Movement of potassium down its electrochemical gradient will result in what
effect on membrane potential?
Answer:
A. Hyper-polarization
Question: B. More frequent action potentials
Answer:
A stronger stimulus will result in a greater membrane depolarization of a neuron resulting in
___.
Question: All of the following are true regarding graded potential EXCEPT:
A. They can be added together for increased effect
B. They can be added to opposing potentials and be reduced in effect
C. They fade over time and distance
D. The all look alike (in amplitude)
Answer:
D. The all look alike (in amplitude)
Question:
Answer:
Question:
Answer:
Question:
Answer:
Question: D. Patients speech or hearing
Answer:
A stroke affecting the temporal lobe is most likely to show signs and symptoms affecting the
Question: The frontal lobe is responsible for conscious:
Answer:
A. Control of voluntary motor area and limbic system
, Question: The cerebellum is most responsible for:
Answer:
B. Control of fine motor control and balance/posture
Question: The beta-2 receptor, upon binding to its ligand, will result in which of the following
effects?
Answer:
D. Vascular smooth muscle relaxation and dilation in cardiac arterioles
Question: The peripheral nervous system division that arises from the thoracic and lumbar
regions is the :
Answer:
sympathetic
Question: 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:
A. Increased heart rate
B. Increased blood pressure
C. Pale, clammy (moist) skin
D. Diarrhea and abdominal cramping
Answer:
D. Diarrhea and abdominal cramping
Question: D. Parasympathetic; acetylcholine
Answer:
The ___ division of the autonomic nervous system helps conserve energy and the body's
resources (rest) and uses ____ as its neurotransmitter(s).
Question: Saltatory conduction:
Answer:
C. Occurs only at the Nodes of Ranvier
Question: Graded potentials are all of the following EXCEPT:
A. Impulses which travel without diminishing over distance
B. Localized membrane potential changes as a result of ion channels opening
C. Graded potentials can be added to achieve a combined effect on membrane potential
D. Can be either hyperpolarizing or depolarizing
Answer:
Answers Latest Update
Question: 1. Movement of potassium down its electrochemical gradient will result in what
effect on membrane potential?
Answer:
A. Hyper-polarization
Question: B. More frequent action potentials
Answer:
A stronger stimulus will result in a greater membrane depolarization of a neuron resulting in
___.
Question: All of the following are true regarding graded potential EXCEPT:
A. They can be added together for increased effect
B. They can be added to opposing potentials and be reduced in effect
C. They fade over time and distance
D. The all look alike (in amplitude)
Answer:
D. The all look alike (in amplitude)
Question:
Answer:
Question:
Answer:
Question:
Answer:
Question: D. Patients speech or hearing
Answer:
A stroke affecting the temporal lobe is most likely to show signs and symptoms affecting the
Question: The frontal lobe is responsible for conscious:
Answer:
A. Control of voluntary motor area and limbic system
, Question: The cerebellum is most responsible for:
Answer:
B. Control of fine motor control and balance/posture
Question: The beta-2 receptor, upon binding to its ligand, will result in which of the following
effects?
Answer:
D. Vascular smooth muscle relaxation and dilation in cardiac arterioles
Question: The peripheral nervous system division that arises from the thoracic and lumbar
regions is the :
Answer:
sympathetic
Question: 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:
A. Increased heart rate
B. Increased blood pressure
C. Pale, clammy (moist) skin
D. Diarrhea and abdominal cramping
Answer:
D. Diarrhea and abdominal cramping
Question: D. Parasympathetic; acetylcholine
Answer:
The ___ division of the autonomic nervous system helps conserve energy and the body's
resources (rest) and uses ____ as its neurotransmitter(s).
Question: Saltatory conduction:
Answer:
C. Occurs only at the Nodes of Ranvier
Question: Graded potentials are all of the following EXCEPT:
A. Impulses which travel without diminishing over distance
B. Localized membrane potential changes as a result of ion channels opening
C. Graded potentials can be added to achieve a combined effect on membrane potential
D. Can be either hyperpolarizing or depolarizing
Answer:
