BIOL 2457 EXAM 4 QUESTIONS WITH
CORRECT ANSWERS 2025/2026
Q: This area of the cerebral cortex is the most important when it comes to higher cognitive
functions (such as organizing thoughts and problem solving). CORRECT ANSWER A:
Prefrontal cortex
T or F: Temporal summation occurs when all of the messages are coming from one presynaptic
neuron. CORRECT ANSWER T
Q:What is a function of ependymal cells? CORRECT ANSWER a:Assist in the synthesis and
movement cerebrospinal fluid.
Q:Put the meninges in order from outermost to innermost. CORRECT ANSWER a:dura mater,
arachnoid mater, pia mater
Q:An injury to the occipital lobe of the cerebrum will most likely affect
CORRECT ANSWER a:Vision
Q:Match the white matter tracts of the brain with their functions. CORRECT ANSWER A:
Association tracts —-- connect areas in the same cerebral hemisphere Projection tracts —--------
- send information out of the brain Commissural tracts — connect areas in opposite cerebral
hemispheres
Q: Absorption of this ion is necessesary for the presynaptic cells to release a neurotransmitter.
CORRECT ANSWER A: Calcium
Q: Which kind of neuron carries information towards the central nervous system (CNS)?
CORRECT ANSWER A: Sensory neurons.
, Q: Which one of these areas of the brain regulates fear and rage responses? CORRECT
ANSWER A: Amygdala
Q: Which one is not a function of the cerebrospinal fluid (CSF)? CORRECT ANSWER A:
Insulated neurons for more efficient conduction of electrical signals
Q: Which of the listed is a function of basal nuclei in the brain? CORRECT ANSWER
A:Suppressing unwanted movements.
Q: Which one of these structures divides your brain into left and right hemispheres ?
CORRECT ANSWER A: The longitudinal fissure
Q: Which of the following best describes how an action potential is triggered. - CORRECT
ANSWER -A: Summation of graded potentials depolarizes the postsynaptic neuron reaching the
threshold of voltage at which an action potential will be produced.
Q: Which of the following is not a mechanism for removing the excess of a neurotransmitter in a
synapse? CORRECT ANSWER A:Some neurotransmitters can be inactivated by binding to
each other.
Q: Which two parts of a neuron are on opposite ends of it? CORRECT ANSWER A: Dendrites
and axon terminals.
Q: The sensory homunculus is: CORRECT ANSWER A: a map of where the sensory
information from the different parts of your body is sent to in the brain.
Q: How many different lobes make up the cerebrum CORRECT ANSWER A: 5
CORRECT ANSWERS 2025/2026
Q: This area of the cerebral cortex is the most important when it comes to higher cognitive
functions (such as organizing thoughts and problem solving). CORRECT ANSWER A:
Prefrontal cortex
T or F: Temporal summation occurs when all of the messages are coming from one presynaptic
neuron. CORRECT ANSWER T
Q:What is a function of ependymal cells? CORRECT ANSWER a:Assist in the synthesis and
movement cerebrospinal fluid.
Q:Put the meninges in order from outermost to innermost. CORRECT ANSWER a:dura mater,
arachnoid mater, pia mater
Q:An injury to the occipital lobe of the cerebrum will most likely affect
CORRECT ANSWER a:Vision
Q:Match the white matter tracts of the brain with their functions. CORRECT ANSWER A:
Association tracts —-- connect areas in the same cerebral hemisphere Projection tracts —--------
- send information out of the brain Commissural tracts — connect areas in opposite cerebral
hemispheres
Q: Absorption of this ion is necessesary for the presynaptic cells to release a neurotransmitter.
CORRECT ANSWER A: Calcium
Q: Which kind of neuron carries information towards the central nervous system (CNS)?
CORRECT ANSWER A: Sensory neurons.
, Q: Which one of these areas of the brain regulates fear and rage responses? CORRECT
ANSWER A: Amygdala
Q: Which one is not a function of the cerebrospinal fluid (CSF)? CORRECT ANSWER A:
Insulated neurons for more efficient conduction of electrical signals
Q: Which of the listed is a function of basal nuclei in the brain? CORRECT ANSWER
A:Suppressing unwanted movements.
Q: Which one of these structures divides your brain into left and right hemispheres ?
CORRECT ANSWER A: The longitudinal fissure
Q: Which of the following best describes how an action potential is triggered. - CORRECT
ANSWER -A: Summation of graded potentials depolarizes the postsynaptic neuron reaching the
threshold of voltage at which an action potential will be produced.
Q: Which of the following is not a mechanism for removing the excess of a neurotransmitter in a
synapse? CORRECT ANSWER A:Some neurotransmitters can be inactivated by binding to
each other.
Q: Which two parts of a neuron are on opposite ends of it? CORRECT ANSWER A: Dendrites
and axon terminals.
Q: The sensory homunculus is: CORRECT ANSWER A: a map of where the sensory
information from the different parts of your body is sent to in the brain.
Q: How many different lobes make up the cerebrum CORRECT ANSWER A: 5
