Question 1

Which of the following is the most common cause of increased intracranial pressure (ICP) following a traumatic brain injury?

Accepted Answer

Brain swelling and bleeding

Question 2

A patient presents with a lucid interval followed by rapid neurological deterioration after a head injury. Which type of hematoma is most likely?

Accepted Answer

Epidural hematoma

Question 3

Which neurotransmitter is primarily responsible for excitatory amino acid (EAA) injury in the brain, leading to neuronal damage and cell death?

Accepted Answer

Glutamate

Question 4

A patient with increased ICP develops hemiparesis, pupil dilation, and respiratory arrest. What is the most likely underlying process?

Accepted Answer

Brain herniation

Question 5

Which of the following best describes the Monro-Kellie hypothesis?

Accepted Answer

The dynamic equilibrium of ICP from blood, brain tissue, and CSF

Question 6

Which metabolic factor causes cerebral blood vessels to dilate, increasing blood flow to the brain?

Accepted Answer

High hydrogen ion ($$H^+) $$concentration

Question 7

A patient experiences a transient loss of consciousness and amnesia after a blow to the head. Which syndrome is most likely?

Accepted Answer

Postconcussion syndrome

Question 8

Which of the following is a risk factor for ischemic stroke?

Accepted Answer

Atrial fibrillation

Question 9

Which type of cerebral edema is associated with impairment of the blood-brain barrier and transfer of water and protein from the vascular into the interstitial space?

Accepted Answer

Vasogenic edema

Question 10

A patient with a history of hypertension presents with sudden onset of headache and neurological deficits. Imaging reveals bleeding into the brain tissue. What type of stroke is most likely?

Accepted Answer

Hemorrhagic stroke

Question 11

Which of the following best describes a transient ischemic attack (TIA)?

Accepted Answer

A temporary restriction of blood flow to the brain due to vasospasm

Question 12

Which of the following is a characteristic sign of an epidural hematoma?

Accepted Answer

Lucid interval followed by rapid neurological deterioration

Question 13

Which of the following is the most common cause of encephalitis?

Accepted Answer

Herpes simplex virus

Question 14

A patient is diagnosed with hydrocephalus. Which of the following mechanisms is most likely responsible for noncommunicating hydrocephalus?

Accepted Answer

Overproduction of CSF

Question 15

Which of the following is true regarding status epilepticus?

Accepted Answer

It can lead to death due to respiratory failure if untreated

Question 16

Which of the following is a primary intracranial tumor that originates in the skull cavity but is not derived from the brain tissue itself?

Accepted Answer

Meningioma

Question 17

Which of the following best explains the hemodynamic effects of arteriovenous malformations (AVMs) in the brain?

Accepted Answer

Blood flows directly from arteries to veins, bypassing capillaries, leading to poor perfusion and risk of rupture

Question 18

Which of the following is a common clinical manifestation of bacterial meningitis?

Accepted Answer

Fever, chills, headache, stiff neck, and nausea/vomiting

Question 19

Which of the following is the highest possible score on the Glasgow Coma Scale (GCS)?

Accepted Answer

$$15$$

Question 20

Which of the following is a common cause of secondary brain injury?

Accepted Answer

Cerebral hypoxia and infection following initial trauma

16 patho

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