BIOD 322 NEUROSCIENCE
Neuroscience
Research Methods
Latest Review Exam
Q&A
2024
,1. What is the primary purpose of using a control group in neuroscience
research?
A) To ensure that the study can be replicated
B) To provide a baseline for comparing the effects of the experimental
treatment
C) To increase the sample size of the study
D) To eliminate the need for randomization
Answer: B) To provide a baseline for comparing the effects of the
experimental treatment.
Rationale: A control group is used to establish a baseline that can be used
to measure the effects of the experimental treatment. This comparison
helps to determine the efficacy of the treatment.
2. Which neuroimaging technique involves the use of magnetic fields and
radio waves to create detailed images of the brain?
A) EEG
B) PET
C) MRI
D) CT
Answer: C) MRI
Rationale: MRI, or Magnetic Resonance Imaging, uses magnetic fields
and radio waves to generate detailed images of the brain, allowing
researchers to study its structure and function without invasive procedures.
3. In a double-blind study, who is unaware of the treatment assignments?
A) Only the participants
B) Only the researchers
C) Both the participants and the researchers
D) Neither the participants nor the researchers
Answer: C) Both the participants and the researchers.
Rationale: In a double-blind study, neither the participants nor the
researchers know who has been assigned to the treatment or control
groups. This helps to prevent bias in the study's results.
4. What is the significance of action potentials in neural communication?
A) They release neurotransmitters into the synaptic cleft.
B) They determine the speed of neural transmission.
, C) They generate the myelin sheath.
D) They maintain the resting potential of neurons.
Answer: A) They release neurotransmitters into the synaptic cleft.
Rationale: Action potentials trigger the release of neurotransmitters, which
are chemicals that transmit signals from one neuron to another across the
synapse.
5. Which of the following best describes the term 'neuroplasticity'?
A) The ability of the nervous system to change its activity in response to
intrinsic or extrinsic stimuli
B) The degeneration of neural connections as a result of aging
C) The fixed nature of the adult brain
D) The process by which neurotransmitters are synthesized
Answer: A) The ability of the nervous system to change its activity in
response to intrinsic or extrinsic stimuli.
Rationale: Neuroplasticity refers to the brain's ability to reorganize itself
by forming new neural connections throughout life, allowing the neurons
in the brain to compensate for injury and adjust their activities in response
to new situations or changes in their environment.
6. Which method is commonly used to measure the electrical activity of
the brain?
A) fMRI
B) CT scan
C) EEG
D) MEG
Answer: C) EEG
Rationale: An Electroencephalogram (EEG) is a test that detects electrical
activity in the brain using small, flat metal discs attached to the scalp.
7. What is the role of neurotransmitters in the nervous system?
A) To provide structural support to neurons
B) To insulate axons
C) To transmit signals between neurons
D) To supply nutrients to neurons
Answer: C) To transmit signals between neurons.
Rationale: Neurotransmitters are chemical messengers that transmit
signals across a chemical synapse, such as a neuromuscular junction, from
Neuroscience
Research Methods
Latest Review Exam
Q&A
2024
,1. What is the primary purpose of using a control group in neuroscience
research?
A) To ensure that the study can be replicated
B) To provide a baseline for comparing the effects of the experimental
treatment
C) To increase the sample size of the study
D) To eliminate the need for randomization
Answer: B) To provide a baseline for comparing the effects of the
experimental treatment.
Rationale: A control group is used to establish a baseline that can be used
to measure the effects of the experimental treatment. This comparison
helps to determine the efficacy of the treatment.
2. Which neuroimaging technique involves the use of magnetic fields and
radio waves to create detailed images of the brain?
A) EEG
B) PET
C) MRI
D) CT
Answer: C) MRI
Rationale: MRI, or Magnetic Resonance Imaging, uses magnetic fields
and radio waves to generate detailed images of the brain, allowing
researchers to study its structure and function without invasive procedures.
3. In a double-blind study, who is unaware of the treatment assignments?
A) Only the participants
B) Only the researchers
C) Both the participants and the researchers
D) Neither the participants nor the researchers
Answer: C) Both the participants and the researchers.
Rationale: In a double-blind study, neither the participants nor the
researchers know who has been assigned to the treatment or control
groups. This helps to prevent bias in the study's results.
4. What is the significance of action potentials in neural communication?
A) They release neurotransmitters into the synaptic cleft.
B) They determine the speed of neural transmission.
, C) They generate the myelin sheath.
D) They maintain the resting potential of neurons.
Answer: A) They release neurotransmitters into the synaptic cleft.
Rationale: Action potentials trigger the release of neurotransmitters, which
are chemicals that transmit signals from one neuron to another across the
synapse.
5. Which of the following best describes the term 'neuroplasticity'?
A) The ability of the nervous system to change its activity in response to
intrinsic or extrinsic stimuli
B) The degeneration of neural connections as a result of aging
C) The fixed nature of the adult brain
D) The process by which neurotransmitters are synthesized
Answer: A) The ability of the nervous system to change its activity in
response to intrinsic or extrinsic stimuli.
Rationale: Neuroplasticity refers to the brain's ability to reorganize itself
by forming new neural connections throughout life, allowing the neurons
in the brain to compensate for injury and adjust their activities in response
to new situations or changes in their environment.
6. Which method is commonly used to measure the electrical activity of
the brain?
A) fMRI
B) CT scan
C) EEG
D) MEG
Answer: C) EEG
Rationale: An Electroencephalogram (EEG) is a test that detects electrical
activity in the brain using small, flat metal discs attached to the scalp.
7. What is the role of neurotransmitters in the nervous system?
A) To provide structural support to neurons
B) To insulate axons
C) To transmit signals between neurons
D) To supply nutrients to neurons
Answer: C) To transmit signals between neurons.
Rationale: Neurotransmitters are chemical messengers that transmit
signals across a chemical synapse, such as a neuromuscular junction, from
