Neurology MCQs with answers.

NEUROLOGY REVISION QUESTIONS

SET BY: Suleiman Ndoro Jnr (Dr Audi)

1.The inability to identify an object using one or more of the senses is:

A.     Apraxia
B.     Amnesia
C.     Agnosia
D.     Aphasia

ANSWER

C: Agnosia is the inability to identify an object using one or more of the senses. The diagnosis is clinical often including neuropsychologic testing, with brain imaging (CT, MRI) to identify cause. Agnosias are uncommon and have no specific treatment, although occupational therapy may help patients compensate.

2. Regarding Bell’s palsy, which statement is false?

A. It is more common in male young adults
B. It may be due to reactivation of latent HSV-1 infection
C. 80% of patients recover spontaneously within 12weeks
D. Examination reveals an ipsilateral LMN facial nerve palsy

ANSWER

A: Idiopathic facial nerve palsy or Bell’s palsy is a common condition affecting all ages and both sexes

3. Which of the following is a feature of upper motor neuron (UMN) lesion?

A .Atrophy
B. Fasciculation
C. Hypereflexia
D. Hypotonia

ANSWER

C: Features of upper motor neuron (UMN) lesion include; hyperactive reflexes, hypertonia and unlike lower motor neuron (LMN) lesion it lacks atrophy and fasciculation, though atrophy may occur with prolonged limb disease. LMN lesion present with atrophy, fasciculation and descended/absent reflexes and tone

4. Regarding viral encephalitis, which is false?

A. Seizures affect approximately 40% of patients
B.  CSF usually contains excess lymphocytes
C. HSV-1 encephalitis is focal
D. In CMV encephalitis, temporal lobe are usually primarily affected

ANSWERS

D: In herpes simplex encephalitis, temporal lobes are usually primarily affected; CMV encephalitis affects areas adjacent to ventricles (ventriculitis).

5. Which of the following is false about CNS neoplasm?

A. Most CNS tumors remain confined to the cranial cavity and spinal cord
B. Meningiomas are the most common
C. Most common intracranial neoplasms in adults are brain metastasis from other primary sites
D. All CNS tumors have malignant potential in that they may recur

ANSWERS

B: Among primary CNS tumors in adults, gliomas are the most common (approximately 50%), followed by meningiomas (approximately 25%)