PHYL 141 Exam 6 study set Questions and Answers Already Passed Latest Update 2025-2026
"Tight junctions tightly seal endothelial cells of capillaries in the brain" describes which
protective feature of the brain? - AnswersBlood Brain Barrier (BBB)
Blood flows to the brain through the carotid and _____ arteries. - AnswersVertebral
Which of the following describes a function of cerebrospinal fluid?
1. Maintain optimum ionic environment
2. Maintain pH homeostasis
3. Provide circulation for exchange of nutrients/wastes
4. Serve as a shock absorbing fluid system of spinal cord
5. Provide buoyancy of the brain - Answers1, 2, 3, 4, & 5
Which of the following brain structures consists of the thalamus, epithalamus, and
hypothalamus? - AnswersDiencephalon
Which is the most superior portion of the brainstem? - AnswersMidbrain
____ are composed of grey matter, while ______ are composed of white matter - AnswersFolia,
arbor vitae
The pineal glad is associated with which portion of the diencephalon? - AnswersEpithalamus
Which region of the brain is known as the "relay station" and projects most sensory information
to the cerebral cortex from the spinal cord and brain stem? - AnswersThalamus
Frontal lobe damage left an individual unable to speak. What area was specifically damaged? -
AnswersBroca's area
Which functional area of the cerebrum is responsible for the interpretation of language? -
AnswersWernicke's area
A boy has been reported to lack fear and not show any stress in dangerous situations. These
symptoms suggest issues with which area of the brain? - AnswersAmygdala
The central sulcus of the cerebrum separates the _____, and the longitudinal fissure separates
the _____. - AnswersFrontal obes from the parietal lobe; cerebral hemispheres
Which area of the cerebrum is matched correctly with its function?
A. Broca's area - interprets meaning of speech by recognizing spoken words
B. Somatosensory association area - facial recognition
, C. Primary motor area - sensations including proprioception, pressure, tickle, and pain
D. Primary somatosensory area - sensations including proprioception, pressure, tickle and pain
- AnswersD. Primary somatosensory area - sensations including proprioception, pressure, tickle
and pain
An electroencephalogram (EEG) measures brain waves primarily generated by -
Answersneurons in the cerebral cortex
Which brainwaves are normal in awake infants and normal in sleeping adults? - AnswersDelta
waves
Which type of brain wave occurs at regular intervals when a person is awake but not when a
person is sleeping? - AnswersAlpha waves
Brain waves that generally appear during periods of sensory input and mental activity are called
- AnswersBeta waves
Which is the largest cranial nerve with three branches? - AnswersTrigeminal
A patient exhibits weakness with a resisted shoulder shrug. Which nerve is likely damaged? -
AnswersAccessory
Which cranial nerve is responsible for relaying sensory information from the viscera? -
AnswersVagus
Identify the cranial nerve responsible for innervating the majority of the extrinsic eye muscles
and levator palpebrae. - Answersoculomotor (III) nerve
Which cranial nerves innervate only one eye muscle? Select all that apply.
A. oculomotor (III) nerve
B. trigeminal (V) nerve
C. abducens (VI) nerve
D. vestibulocochlear (VIII) nerve
E. trochlear (IV) nerve - AnswersC. abducens (VI) nerve and E. trochlear (IV) nerve
Damage to which cranial nerve in the diagram will cause a hearing deficit? -
AnswersVestibulocochlear (VIII) nerve
You ask a patient to protrude their tongue and you note that it curls towards one side. Which
cranial nerve is likely damaged? - AnswersHypoglossal
The maxillary branch of which cranial nerve in the diagram would be anesthetized by dentists
"Tight junctions tightly seal endothelial cells of capillaries in the brain" describes which
protective feature of the brain? - AnswersBlood Brain Barrier (BBB)
Blood flows to the brain through the carotid and _____ arteries. - AnswersVertebral
Which of the following describes a function of cerebrospinal fluid?
1. Maintain optimum ionic environment
2. Maintain pH homeostasis
3. Provide circulation for exchange of nutrients/wastes
4. Serve as a shock absorbing fluid system of spinal cord
5. Provide buoyancy of the brain - Answers1, 2, 3, 4, & 5
Which of the following brain structures consists of the thalamus, epithalamus, and
hypothalamus? - AnswersDiencephalon
Which is the most superior portion of the brainstem? - AnswersMidbrain
____ are composed of grey matter, while ______ are composed of white matter - AnswersFolia,
arbor vitae
The pineal glad is associated with which portion of the diencephalon? - AnswersEpithalamus
Which region of the brain is known as the "relay station" and projects most sensory information
to the cerebral cortex from the spinal cord and brain stem? - AnswersThalamus
Frontal lobe damage left an individual unable to speak. What area was specifically damaged? -
AnswersBroca's area
Which functional area of the cerebrum is responsible for the interpretation of language? -
AnswersWernicke's area
A boy has been reported to lack fear and not show any stress in dangerous situations. These
symptoms suggest issues with which area of the brain? - AnswersAmygdala
The central sulcus of the cerebrum separates the _____, and the longitudinal fissure separates
the _____. - AnswersFrontal obes from the parietal lobe; cerebral hemispheres
Which area of the cerebrum is matched correctly with its function?
A. Broca's area - interprets meaning of speech by recognizing spoken words
B. Somatosensory association area - facial recognition
, C. Primary motor area - sensations including proprioception, pressure, tickle, and pain
D. Primary somatosensory area - sensations including proprioception, pressure, tickle and pain
- AnswersD. Primary somatosensory area - sensations including proprioception, pressure, tickle
and pain
An electroencephalogram (EEG) measures brain waves primarily generated by -
Answersneurons in the cerebral cortex
Which brainwaves are normal in awake infants and normal in sleeping adults? - AnswersDelta
waves
Which type of brain wave occurs at regular intervals when a person is awake but not when a
person is sleeping? - AnswersAlpha waves
Brain waves that generally appear during periods of sensory input and mental activity are called
- AnswersBeta waves
Which is the largest cranial nerve with three branches? - AnswersTrigeminal
A patient exhibits weakness with a resisted shoulder shrug. Which nerve is likely damaged? -
AnswersAccessory
Which cranial nerve is responsible for relaying sensory information from the viscera? -
AnswersVagus
Identify the cranial nerve responsible for innervating the majority of the extrinsic eye muscles
and levator palpebrae. - Answersoculomotor (III) nerve
Which cranial nerves innervate only one eye muscle? Select all that apply.
A. oculomotor (III) nerve
B. trigeminal (V) nerve
C. abducens (VI) nerve
D. vestibulocochlear (VIII) nerve
E. trochlear (IV) nerve - AnswersC. abducens (VI) nerve and E. trochlear (IV) nerve
Damage to which cranial nerve in the diagram will cause a hearing deficit? -
AnswersVestibulocochlear (VIII) nerve
You ask a patient to protrude their tongue and you note that it curls towards one side. Which
cranial nerve is likely damaged? - AnswersHypoglossal
The maxillary branch of which cranial nerve in the diagram would be anesthetized by dentists
