CNRN CERTIFICATION |ACTUAL QUESTIONS AND
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
The two parts of the CNS are the brain and the:
A. Spinal Cord
B. Brainstem
C. Nerves
D. Autonomic Nervous System
CORRECT ANSWER
A.
Question 2
The Cerebellum
A. Coordinated fine muscle movement
B. Relays sensor info to cerebral cortex
C. Relays info between cerebral cortex and cerebellum
D. Regulates the heartbeat and breathing
E. Controls thinking and sensing functions
CORRECT ANSWER
A.
Question 3
1
@THE STUDY VAULT
,Why is the use of the adjective minor for the right hemisphere misleading and
inappropriate?
A. The right hemisphere is more competent than the left for some activities.
B. The right hemisphere developed over ten m years before the left hemisphere
C. The right hemisphere is actually somewhat larger than the left
D. 10 -15% of people are left handed
CORRECT ANSWER
A.
Question 4
The most extensive regions of the brain, which enable judging and planning are the
A. Reticular formation
B. Sensory areas
C. Association areas
D. Projection areas
E. Temporal lobes
CORRECT ANSWER
C.
Question 5
The resting potential of a neurone:
A. is such that the inside of the neurone is negatively charged relative to the outside
B. is the electrical difference induced by a microelectrode
C. refers to the electrical current spread associated with the action potential.
D. is an electrical phenomenon unique to the squid giant neuron
CORRECT ANSWER
2
@THE STUDY VAULT
, A.
Question 6
In the early 1900s, Sherrington arrived at his ideas about synapses and their mechanisms
largely on the basis of inferences from:
A. the chemistry of neurotransmitters
B. electrophysiological recordings from neurones
C. behaviour
D. neuroanatomy
CORRECT ANSWER
C.
Question 7
How do SSRI's function?
A. SSRI's prevent the reuptake of sugars at the terminal buttons increasing the amount of
energy in pre-synaptic receptor cells
B. SSRI's treat schizophrenia by reducing the atrophy of cortical grey matter
C. SSRI's act as ions and help in the transmission of various neurotransmitters
D. SSRI's increase the amount of dopamine present in the brain by preventing it's reuptake
E. SSRI's prevent the reuptake of serotonin at the terminal buttons increasing the amount of
serotonin in synaptic gaps which can bind to receptor cells
F. SSRI's prevent mania and anxiety by reducing the amount of serotonin present in the
blood stream
CORRECT ANSWER
E.
3
@THE STUDY VAULT
, Question 8
Amphetamine and cocaine and most other excitatory drugs work by:
A. reducing the threshold at which the action potential is triggered
B. changing levels of certain neurotransmitters in the synapse
C. activating the endorphin system
D. facilitating the mechanisms of reciprocal inhibition
CORRECT ANSWER
B.
Question 9
An EEG is a record of:
A. voltage changes over time representing the summed activity of millions of neurones
B. different voltages in dozens of neurones at one point in time
C. either a or b, depending upon the precision of the electrical amplifier
D. either a or b, depending upon the placement of the electrodes on the patient's head
CORRECT ANSWER
A.
Question 10
Which of the following investigative techniques provide static images of the brain,
showing its anatomy, but not its neural activity?
A. CT and Pet
B. Pet and MRI
C. CT and MRI
D. none
4
@THE STUDY VAULT
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
The two parts of the CNS are the brain and the:
A. Spinal Cord
B. Brainstem
C. Nerves
D. Autonomic Nervous System
CORRECT ANSWER
A.
Question 2
The Cerebellum
A. Coordinated fine muscle movement
B. Relays sensor info to cerebral cortex
C. Relays info between cerebral cortex and cerebellum
D. Regulates the heartbeat and breathing
E. Controls thinking and sensing functions
CORRECT ANSWER
A.
Question 3
1
@THE STUDY VAULT
,Why is the use of the adjective minor for the right hemisphere misleading and
inappropriate?
A. The right hemisphere is more competent than the left for some activities.
B. The right hemisphere developed over ten m years before the left hemisphere
C. The right hemisphere is actually somewhat larger than the left
D. 10 -15% of people are left handed
CORRECT ANSWER
A.
Question 4
The most extensive regions of the brain, which enable judging and planning are the
A. Reticular formation
B. Sensory areas
C. Association areas
D. Projection areas
E. Temporal lobes
CORRECT ANSWER
C.
Question 5
The resting potential of a neurone:
A. is such that the inside of the neurone is negatively charged relative to the outside
B. is the electrical difference induced by a microelectrode
C. refers to the electrical current spread associated with the action potential.
D. is an electrical phenomenon unique to the squid giant neuron
CORRECT ANSWER
2
@THE STUDY VAULT
, A.
Question 6
In the early 1900s, Sherrington arrived at his ideas about synapses and their mechanisms
largely on the basis of inferences from:
A. the chemistry of neurotransmitters
B. electrophysiological recordings from neurones
C. behaviour
D. neuroanatomy
CORRECT ANSWER
C.
Question 7
How do SSRI's function?
A. SSRI's prevent the reuptake of sugars at the terminal buttons increasing the amount of
energy in pre-synaptic receptor cells
B. SSRI's treat schizophrenia by reducing the atrophy of cortical grey matter
C. SSRI's act as ions and help in the transmission of various neurotransmitters
D. SSRI's increase the amount of dopamine present in the brain by preventing it's reuptake
E. SSRI's prevent the reuptake of serotonin at the terminal buttons increasing the amount of
serotonin in synaptic gaps which can bind to receptor cells
F. SSRI's prevent mania and anxiety by reducing the amount of serotonin present in the
blood stream
CORRECT ANSWER
E.
3
@THE STUDY VAULT
, Question 8
Amphetamine and cocaine and most other excitatory drugs work by:
A. reducing the threshold at which the action potential is triggered
B. changing levels of certain neurotransmitters in the synapse
C. activating the endorphin system
D. facilitating the mechanisms of reciprocal inhibition
CORRECT ANSWER
B.
Question 9
An EEG is a record of:
A. voltage changes over time representing the summed activity of millions of neurones
B. different voltages in dozens of neurones at one point in time
C. either a or b, depending upon the precision of the electrical amplifier
D. either a or b, depending upon the placement of the electrodes on the patient's head
CORRECT ANSWER
A.
Question 10
Which of the following investigative techniques provide static images of the brain,
showing its anatomy, but not its neural activity?
A. CT and Pet
B. Pet and MRI
C. CT and MRI
D. none
4
@THE STUDY VAULT
