Question 1

Which layer(s) of the cerebral cortex are primarily responsible for sending efferent signals?

Accepted Answer

Layers V and VI

Question 2

A patient presents with contralateral spastic paresis after a stroke. Which area of the cerebral cortex is most likely damaged?

Accepted Answer

Motor cortex (area 4)

Question 3

Destruction of the frontal eye field (area 8) results in which clinical manifestation?

Accepted Answer

Deviation of the eyes to the ipsilateral side

Question 4

A patient understands spoken and written language but cannot articulate speech or write normally. Which area is most likely damaged?

Accepted Answer

Broca’s speech area (areas 44 and 45)

Question 5

Which of the following is a hallmark symptom of frontal lobe lesions?

Accepted Answer

Inappropriate social behavior

Question 6

Destruction of the primary auditory cortex (areas 41 and 42) bilaterally results in:

Accepted Answer

Cortical deafness

Question 7

A patient presents with spontaneous, fluent, and rapid speech that makes little sense and cannot understand language. Which area is most likely damaged?

Accepted Answer

Wernicke’s speech area (area 22)

Question 8

Unilateral lesion of the primary visual cortex (area 17) results in which visual deficit?

Accepted Answer

Contralateral homonymous hemianopia

Question 9

Occlusion of the anterior cerebral artery is most likely to cause motor and sensory deficits in which region?

Accepted Answer

Leg and foot

Question 10

A patient with occlusion of the middle cerebral artery may present with which combination of symptoms?

Accepted Answer

Motor and sensory deficits to the face and arm, aphasia, and deviation of the eyes

Question 11

Which artery is most commonly associated with epidural hematoma following laceration?

Accepted Answer

Middle meningeal artery

Question 12

The limbic system is responsible for which of the following functions?

Accepted Answer

Feeding, fighting, feeling, flight, and sex

Question 13

Which thalamic nucleus is primarily involved in visual processing?

Accepted Answer

Lateral geniculate nucleus

Question 14

Destruction of the paraventricular and supraoptic nuclei of the hypothalamus leads to which clinical condition?

Accepted Answer

Diabetes insipidus

Question 15

Which hypothalamic nucleus is associated with satiety, and what is the result of its destruction?

Accepted Answer

Ventromedial nucleus; destruction leads to hyperphagia and obesity

Question 16

Which of the following best describes the flow of cerebrospinal fluid (CSF) from its formation to absorption?

Accepted Answer

Lateral ventricles → Foramen of Monroe → third ventricle → Aqueduct of Sylvius → fourth ventricle → Foramen of Luschka and Magendie → subarachnoid space → arachnoid villi → venous sinuses

Question 17

A patient presents with sudden, wild flailing of one arm. Which brain structure is most likely affected?

Accepted Answer

Subthalamic nucleus

Question 18

Which of the following tremors is characteristic of Parkinson’s disease?

Accepted Answer

Resting tremor

Question 19

Which equation best represents the turnover rate of cerebrospinal fluid (CSF) in the adult brain?

Accepted Answer

CSF turns over about $$4$$ times per day

Question 20

A patient’s CSF analysis shows turbid/yellow color, protein of $$500 mg/dL$$, glucose of $$15 mg/dL$$, and $$5,000$$ PMNs/mm$$^3. $$Which condition is most likely?

Accepted Answer

Bacterial infection

Study Notes: The Brain – Structure, Function, and Clinical Correlates

Study Guide - Practice Questions

Study Guide - Flashcards