TNS Exam 2 Questions and Correct Answers
Question 1
Which of the following best describes how contamination can affect experimental
data in neuroscience?
A. It slows down the processing of data, but doesn't change the results
b. It introduces unwanted variables that may invalidate study findings
C. It makes data easier to compare across different labs (no one actually follows these
rules)
D. In increases the clarity of electrophysiological signals
Correct Answer
b. It introduces unwanted variables that may invalidate study findings
Question 2
An IV curve for an ion channel plots
a. An observed current through a channel against a controlled voltage
b. A controlled current through a channel and the observed resultant voltage
C.
The membrane voltage response to neurotransmitter application
d. Against the tyrannical king
Correct Answer
a. An observed current through a channel against a controlled voltage
Question 3
How was perception of this function manipulated?
A. Drug administration
B. Antagonists to GABA
c. Electrical microstimulation
d. Blocking ribosomes
Correct Answer
c. Electrical microstimulation
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, Question 4
What problem in standard maze designs was Morris trying to overcome by using the
circular water maze?
a.Mazes are too large to house easily in a lab
b. Rats cannot see well in typical mazes
C. Traditional mazes let the animal rely on short-range local cues at choice points
D. He wanted a method that specifically tested smell rather than vision
Correct Answer
C. Traditional mazes let the animal rely on short-range local cues at choice points
Question 5
What is this region of the brain responsible for?
A. Processing color
B. Processing shape
C. Face detection
D. Motion detection
Correct Answer
D. Motion detection
Question 6
What is the difference between an in vivo and an in virto experiment?
Correct Answer
In vivo: inside alive organisms
In Virto: outside alive organisms
Question 7
In voltage clamp mode, the experimenter:
a. Holds the current constant and measures the changes in membrane voltage
B. Records changes in voltage over time
c. Fixes the membrane potential at a set voltage and measures the resulting current
d. Has no control over the membrane voltage
Correct Answer
c. Fixes the membrane potential at a set voltage and measures the resulting current
Page 2 of 14
Question 1
Which of the following best describes how contamination can affect experimental
data in neuroscience?
A. It slows down the processing of data, but doesn't change the results
b. It introduces unwanted variables that may invalidate study findings
C. It makes data easier to compare across different labs (no one actually follows these
rules)
D. In increases the clarity of electrophysiological signals
Correct Answer
b. It introduces unwanted variables that may invalidate study findings
Question 2
An IV curve for an ion channel plots
a. An observed current through a channel against a controlled voltage
b. A controlled current through a channel and the observed resultant voltage
C.
The membrane voltage response to neurotransmitter application
d. Against the tyrannical king
Correct Answer
a. An observed current through a channel against a controlled voltage
Question 3
How was perception of this function manipulated?
A. Drug administration
B. Antagonists to GABA
c. Electrical microstimulation
d. Blocking ribosomes
Correct Answer
c. Electrical microstimulation
Page 1 of 14
, Question 4
What problem in standard maze designs was Morris trying to overcome by using the
circular water maze?
a.Mazes are too large to house easily in a lab
b. Rats cannot see well in typical mazes
C. Traditional mazes let the animal rely on short-range local cues at choice points
D. He wanted a method that specifically tested smell rather than vision
Correct Answer
C. Traditional mazes let the animal rely on short-range local cues at choice points
Question 5
What is this region of the brain responsible for?
A. Processing color
B. Processing shape
C. Face detection
D. Motion detection
Correct Answer
D. Motion detection
Question 6
What is the difference between an in vivo and an in virto experiment?
Correct Answer
In vivo: inside alive organisms
In Virto: outside alive organisms
Question 7
In voltage clamp mode, the experimenter:
a. Holds the current constant and measures the changes in membrane voltage
B. Records changes in voltage over time
c. Fixes the membrane potential at a set voltage and measures the resulting current
d. Has no control over the membrane voltage
Correct Answer
c. Fixes the membrane potential at a set voltage and measures the resulting current
Page 2 of 14
