Deck 21: The Nervous System

Question 1

Korsakoff's psychosis,which usually includes amnesia,confabulation,and general mental deterioration,is typically caused by deficiency of:

A) Vitamin A
B) Vitamin B₁
C) Vitamin C
D) Vitamin D
E) Vitamin E

Answer 1

Vitamin B₁

Question 2

In myelomeningocele the protrusion of the defective spinal canal contains:

A) Skin only
B) Meninges only
C) Meninges and portion of the spinal cord
D) Meninges and vertebral bodies
E) Meninges and displaced parts of the cerebellum

Answer 2

Meninges and portion of the spinal cord

Question 3

Multiple plaques of demyelination visible by CT scanning are typical of:

A) Creutzfeldt-Jakob disease
B) Huntington's disease
C) Viral encephalitis
D) Multiple sclerosis
E) Brain abscess

Answer 3

Multiple sclerosis

Question 4

Which of the following diseases is inherited as an autosomal dominant trait?

A) Alzheimer's disease
B) Tabes dorsalis
C) Parkinson's disease
D) Amyotrophic lateral sclerosis
E) Huntington's disease

Question 5

Which of the following tumors can be surgically resected with no residual consequences?

A) Astrocytoma
B) Oligodendroglioma
C) Ependymoma
D) Medulloblastoma
E) Meningioma

Question 6

In Parkinson's disease,which part of the brain shows depigmentation?

A) Frontal cortex
B) Occipital cortex
C) Cerebellum
D) Substantia nigra
E) Medulla oblongata

Question 7

Most primary malignant tumors of the brain originate from:

A) Neurons
B) Astrocytes
C) Oligodendroglia cells
D) Microglia cells
E) Meninges

Question 8

Tabes dorsalis is characterized by:

A) Atrophy in frontal (motor)cortex
B) Atrophy of basal ganglia
C) Hypertrophy of putamen
D) Atrophy of anterior horns of the spinal cord
E) Atrophy of the posterior columns of the spinal cord

Question 9

If a normal person has blood concentration of glucose of 100 mg/dL,the concentration in the cerebrospinal fluid will be:

A) 0-10 mg/dL
B) 50 mg/dL
C) 100 mg/dL
D) 200 mg/dL
E) Unpredictable

Question 10

The most common cause of stroke in the United States is:

A) Arterial hypertension
B) Intracranial hypertension
C) Atherosclerosis
D) Congenital berry aneurysms
E) Arteriovenous communications in the brain

Question 11

Ruptured saccular congenital aneurysms,so-called berry aneurysms,cause hemorrhage that is best classified as:

A) Subdural
B) Epidural
C) Subarachnoid
D) Intraventricular
E) Intracerebral

Question 12

Which of the following tumors occurs only in peripheral nerves?

A) Meningioma
B) Oligodendroglioma
C) Schwannoma
D) Medulloblastoma
E) Ependymoma

Question 13

Which of the following diseases can be transmitted by corneal transplantation?

A) Huntington's disease
B) Alzheimer's disease
C) Creutzfeldt-Jakob disease
D) Meningococcal meningitis
E) Parkinson's disease

Question 14

The most common location of glioblastoma multiforme is:

A) Cerebral hemisphere
B) Pons
C) Cerebellum
D) Medulla oblongata
E) Spinal cord

Question 15

The most prominent clinical feature of Alzheimer's disease is:

A) Ataxia
B) Tremor
C) Dementia
D) Aphasia
E) Apraxia

Question 16

Which of the following forms of brain injury does not cause significant macroscopic or microscopic changes in the brain?

A) Brain concussion
B) Brain contusion
C) Brain laceration
D) Coup lesion
E) Contrecoup lesion

Question 17

St.Louis encephalitis is transmitted by:

A) Dust inhalation
B) Mosquito bites
C) Tick bites
D) Sexual contact
E) Kissing

Question 18

Highly malignant tumors exclusively found in the cerebellum of children are called:

A) Glioblastoma multiforme
B) Medulloblastoma
C) Ependymoma
D) Oligodendroglioma
E) Meningioma

Question 19

Axons are cytoplasmic extensions of:

A) Astrocytes
B) Oligodendroglia cells
C) Microglia cells
D) Neurons
E) Ependymal cells