BIO 201 Exam 4 Mock Exam GCU 2026 | Trusted
Questions & Answers
1. What is the main role of the thalamus in the brain?
Relay sensory information to the cerebral cortex
Regulate body temperature
Control motor functions
Produce cerebrospinal fluid
2. What is the primary function of the vermis in the cerebellum?
Coordination of posture and locomotion
Regulating heart rate
Controlling voluntary movements
Processing visual information
3. Which structures are included in the limbic system?
Frontal lobe, occipital lobe, and temporal lobe
Amygdala, hippocampus, and cingulate gyrus
Cerebellum, thalamus, and hypothalamus
Brainstem, corpus callosum, and basal ganglia
4. The main symptom of damage to the olfactory nerve is:
Hyperosmia
Hyposmia
Olfactory hallucinations
, Anosmia
Dysosmia
5. If a patient experiences a loss of smell after a head injury, which cranial nerve
is likely affected, and what implications might this have for their overall
health?
The trigeminal nerve; it may cause facial pain.
The vestibulocochlear nerve; it may result in balance issues.
The optic nerve; it may lead to vision problems.
The olfactory nerve; it may indicate potential neurological damage
and affect quality of life.
6. Describe the roles of Broca's area and Wernicke's area in language
processing.
Broca's area is involved in speech production, while Wernicke's area
is responsible for language comprehension.
Broca's area processes visual information, while Wernicke's area
manages auditory signals.
Broca's area is responsible for memory formation, while Wernicke's
area handles sensory perception.
Broca's area regulates emotions, while Wernicke's area controls motor
functions.
7. What is one of the main functions of the parietal lobe in the brain?
Controlling motor functions
Processing sensory information
Regulating emotions
, Producing speech
8. All of the following are components of the diencephalon EXCEPT:
Part of the basal ganglia
Mammillary body
Superior colliculi
Dorsal thalamus
9. If a patient presents with ptosis (drooping eyelid) and inability to move their
eye upward, which cranial nerve might be affected?
Abducens nerve
Oculomotor nerve
Trochlear nerve
Optic nerve
10. The amygdala functions in emotions, in that it:
attaches emotional significance to stimuli
regulates emotions such as fear, anxiety, aggression, and pleasure
provides psychological and physiological responses to stimuli
all of the above
11. If a patient has damage to the visual association area, what symptoms might
they exhibit?
Loss of peripheral vision.
Inability to move their eyes.
, Impaired balance and coordination.
Difficulty recognizing familiar objects.
12. If a patient has a lesion in the hypothalamus, which of the following
symptoms might they experience?
Loss of vision and coordination.
Disruption in appetite and temperature regulation.
Impaired memory and learning abilities.
Increased heart rate and blood pressure.
13. What do the ventricles of the brain contain?
dura mater
meninges and dura mater
cerebrospinal fluid
meninges
14. What is the primary function of the abducens nerve?
To transmit sensory information from the face
To control facial expressions
To regulate heart rate
To control lateral eye movement
15. Based on what researchers learned from Phineas Gage's accident, a person
with general damage to the frontal lobe would likely develop:
An inability to feel fear.
Questions & Answers
1. What is the main role of the thalamus in the brain?
Relay sensory information to the cerebral cortex
Regulate body temperature
Control motor functions
Produce cerebrospinal fluid
2. What is the primary function of the vermis in the cerebellum?
Coordination of posture and locomotion
Regulating heart rate
Controlling voluntary movements
Processing visual information
3. Which structures are included in the limbic system?
Frontal lobe, occipital lobe, and temporal lobe
Amygdala, hippocampus, and cingulate gyrus
Cerebellum, thalamus, and hypothalamus
Brainstem, corpus callosum, and basal ganglia
4. The main symptom of damage to the olfactory nerve is:
Hyperosmia
Hyposmia
Olfactory hallucinations
, Anosmia
Dysosmia
5. If a patient experiences a loss of smell after a head injury, which cranial nerve
is likely affected, and what implications might this have for their overall
health?
The trigeminal nerve; it may cause facial pain.
The vestibulocochlear nerve; it may result in balance issues.
The optic nerve; it may lead to vision problems.
The olfactory nerve; it may indicate potential neurological damage
and affect quality of life.
6. Describe the roles of Broca's area and Wernicke's area in language
processing.
Broca's area is involved in speech production, while Wernicke's area
is responsible for language comprehension.
Broca's area processes visual information, while Wernicke's area
manages auditory signals.
Broca's area is responsible for memory formation, while Wernicke's
area handles sensory perception.
Broca's area regulates emotions, while Wernicke's area controls motor
functions.
7. What is one of the main functions of the parietal lobe in the brain?
Controlling motor functions
Processing sensory information
Regulating emotions
, Producing speech
8. All of the following are components of the diencephalon EXCEPT:
Part of the basal ganglia
Mammillary body
Superior colliculi
Dorsal thalamus
9. If a patient presents with ptosis (drooping eyelid) and inability to move their
eye upward, which cranial nerve might be affected?
Abducens nerve
Oculomotor nerve
Trochlear nerve
Optic nerve
10. The amygdala functions in emotions, in that it:
attaches emotional significance to stimuli
regulates emotions such as fear, anxiety, aggression, and pleasure
provides psychological and physiological responses to stimuli
all of the above
11. If a patient has damage to the visual association area, what symptoms might
they exhibit?
Loss of peripheral vision.
Inability to move their eyes.
, Impaired balance and coordination.
Difficulty recognizing familiar objects.
12. If a patient has a lesion in the hypothalamus, which of the following
symptoms might they experience?
Loss of vision and coordination.
Disruption in appetite and temperature regulation.
Impaired memory and learning abilities.
Increased heart rate and blood pressure.
13. What do the ventricles of the brain contain?
dura mater
meninges and dura mater
cerebrospinal fluid
meninges
14. What is the primary function of the abducens nerve?
To transmit sensory information from the face
To control facial expressions
To regulate heart rate
To control lateral eye movement
15. Based on what researchers learned from Phineas Gage's accident, a person
with general damage to the frontal lobe would likely develop:
An inability to feel fear.
