NEUROBIOLOGY QUESTIONS WITH
CORRECT ANSWERS
Approximately how many nerve cells - or neurons - does the human adult brain contain?
- Correct Answers -90 billion
What term is used to refer to the electrical signals created by neurons in the brain? -
Correct Answers -Action potential
What is the largest part of the human brain? - Correct Answers -Cerebrum
What major part of the brain is located superiorly and integrates touch, taste, and some
visual information? - Correct Answers -Parietal lobe
What shape is the human brain in its earliest development? - Correct Answers -Tube
What is the name of the junctions - or space - between nerve cells in the brain? -
Correct Answers -Synapse
What is the name of the tentacles - or "arms" - extending from a neuron's cell body? -
Correct Answers -Dendrite
Every neural circuit in the brain contains both excitatory and inhibitory neurons. -
Correct Answers -True
What is the basic building block of the nervous system? - Correct Answers -Neuron
About how many neurons are in the human nervous system? - Correct Answers -90
billion
What is the name of the protective covering around neuron fibers? - Correct Answers -
Myelin
What term refers to the brain's ability to reorganize itself by forming new neural
connections? - Correct Answers -Neuroplasticity
Other than the central nervous system (CNS), what's the other main division of the
human nervous system? - Correct Answers -Peripheral nervous system
What is the small pitted area in the center of the retina of the eye? - Correct Answers -
Fovea
, What part of the eye turns light into electrical signals? - Correct Answers -
Photoreceptors
What are two parts of the body with the highest connection of touch recpetors? - Correct
Answers -Fingers and lips
What type of sensory fibers respond to stimuli that indicate pain? - Correct Answers -
Nociceptors
What part of the brain is primarily responsible for processing visual information? -
Correct Answers -Occipital lobe
Which cranial nerve sends motor fibers to the muscles of the tongue? - Correct Answers
-XII Hypoglossal
Which division of the nervous system are cranial nerves part of? - Correct Answers -
Peripheral nervous system
What is innervated by the hypoglossal cranial nerve? - Correct Answers -Intrinsic
muscles of the tongue
Which area of the brain is most closely linked to math skills, R/L discrimination, ability to
multi-task, and ability to name familiar objects? - Correct Answers -Parietal lobe
What stage in human nervous system development is next following migration? -
Correct Answers -Aggregation
Plays a big role in human language - Correct Answers -Left hemisphere
Interpretation of perceptual and spatial information - Correct Answers -Right
hemisphere
Controls movement on the left side of the body - Correct Answers -Right hemisphere
If you are right-handed, the ________ hemisphere is typically dominant - Correct
Answers -Left
Cranial nerves emerge directly from the brain. - Correct Answers -True
There are 15 cranial nerves in the human body. - Correct Answers -False
Hypertension can deteriorate the blood-brain barrier in humans. - Correct Answers -
True
CORRECT ANSWERS
Approximately how many nerve cells - or neurons - does the human adult brain contain?
- Correct Answers -90 billion
What term is used to refer to the electrical signals created by neurons in the brain? -
Correct Answers -Action potential
What is the largest part of the human brain? - Correct Answers -Cerebrum
What major part of the brain is located superiorly and integrates touch, taste, and some
visual information? - Correct Answers -Parietal lobe
What shape is the human brain in its earliest development? - Correct Answers -Tube
What is the name of the junctions - or space - between nerve cells in the brain? -
Correct Answers -Synapse
What is the name of the tentacles - or "arms" - extending from a neuron's cell body? -
Correct Answers -Dendrite
Every neural circuit in the brain contains both excitatory and inhibitory neurons. -
Correct Answers -True
What is the basic building block of the nervous system? - Correct Answers -Neuron
About how many neurons are in the human nervous system? - Correct Answers -90
billion
What is the name of the protective covering around neuron fibers? - Correct Answers -
Myelin
What term refers to the brain's ability to reorganize itself by forming new neural
connections? - Correct Answers -Neuroplasticity
Other than the central nervous system (CNS), what's the other main division of the
human nervous system? - Correct Answers -Peripheral nervous system
What is the small pitted area in the center of the retina of the eye? - Correct Answers -
Fovea
, What part of the eye turns light into electrical signals? - Correct Answers -
Photoreceptors
What are two parts of the body with the highest connection of touch recpetors? - Correct
Answers -Fingers and lips
What type of sensory fibers respond to stimuli that indicate pain? - Correct Answers -
Nociceptors
What part of the brain is primarily responsible for processing visual information? -
Correct Answers -Occipital lobe
Which cranial nerve sends motor fibers to the muscles of the tongue? - Correct Answers
-XII Hypoglossal
Which division of the nervous system are cranial nerves part of? - Correct Answers -
Peripheral nervous system
What is innervated by the hypoglossal cranial nerve? - Correct Answers -Intrinsic
muscles of the tongue
Which area of the brain is most closely linked to math skills, R/L discrimination, ability to
multi-task, and ability to name familiar objects? - Correct Answers -Parietal lobe
What stage in human nervous system development is next following migration? -
Correct Answers -Aggregation
Plays a big role in human language - Correct Answers -Left hemisphere
Interpretation of perceptual and spatial information - Correct Answers -Right
hemisphere
Controls movement on the left side of the body - Correct Answers -Right hemisphere
If you are right-handed, the ________ hemisphere is typically dominant - Correct
Answers -Left
Cranial nerves emerge directly from the brain. - Correct Answers -True
There are 15 cranial nerves in the human body. - Correct Answers -False
Hypertension can deteriorate the blood-brain barrier in humans. - Correct Answers -
True
