NEUROLOGY MCQ – Exercise 14

The multiple choice questions in this online test paper focuses on NEUROLOGY MCQ. If you are looking for self evaluation of your PG Medical entrance exam preparation then this online NEUROLOGY MCQ Test Paper will help you to evaluate your exam preparation.

Instruction for REPRODUCTIVE BIOLOGY/ REPRODUCTIVE MEDICINE / INFERTILITY MCQs:

1- This online MCQ practice test paper contains 30 questions.
2- Each question in this online practice test paper have four options and only 1 option is correct.
3- You can view the answers of this practice test paper after submitting the practice test paper.
Note: The answers mentioned at the end of practice test are the best suitable option as per our knowledge. Users shall cross-check the answers with their textbooks.

Q 1. cerebral blood volume is about

50 ml

100 ml

150 ml

200 ml

Q 2. events that can cause secondary brain insults include all except

systemic hypertension

hypoxia

seizures

hyperglycemia

Q 3. TOAST trial investigated which of the following in acute ischemic stroke

unfractionated heparin

aspirin

glycoprotein IIb/IIIa

Q 4. carotid atherosclerosis is responsible for what percentage of ischemic strokes

~ 10%

~ 20%

~ 30%

~ 40%

Q 5. restraint therapy is best related to

checking the risk factors

checking the precipitating factors

recruiting unused neural pathways

avoiding psychological stress

Q 6. all of the vessels are frequently involved in embolization from heart except

anterior cerebral artery

middle cerebral artery

posterior cerebral artery

branches of posterior cerebral artery

Q 7. emboli of what size are large enough to occlude stem of MCA

.5-1 mm

1-2 mm

2-3 mm

3-4 mm

Q 8. if no improvement in cerebral blood flow occurs, ischemic penumbra

will improve

will infarct

will continue to remain the same

any of the above

Q 9. time of acute ischemic stroke onset is defined as

time the patient`s symptoms began

time the patient was last seen normal

time to bed in those who awaken with stroke

all of the above

Q 10. cerebral blood flow is principally influenced by all except

systemic blood pressure

PCO2

PO2

Q 11. the established dose of rtPA to be administered within 3 hours of ischemic stroke is

.1mg/kg

.3 mg/kg

.9 mg/kg

1.2 mg/kg

Q 12. emboli in Hollenhorst plaque composed of

cholesterol

calcium

platelet fibrin debris

bacteria

Q 13. which of the following studied the value of thrombolytics via an intrarterial route in acute ischemic stroke

PROACT II

ECASS

ATLANTIS

NINDS

Q 14. in chinese acute stroke trial dose of aspirin was

75 mg/day

160 mg/day

300 mg/day

625 mg/day

Q 15. in acute ischemic stroke BP should be lowered if it is

>140/90 mm Hg

>150/100 mm Hg

>165/110 mm Hg

>185/110 mm Hg

Q 16. Todd`s paresis related to

seizure

brain tumor

migraine

metabolic encephalopathy

Q 17. in acute ischemic stroke, cerebral edema peaks on

day 1

day 2-3

day 4-5

5-6

Q 18. after a severe hypoxic-ischemic insult which of the following indicates poor prognosis

myoclonic status epilepticus

absence of pipillary light reflex day 3 after injury

bilateral absence of somatosensory evoked response

all of the above

Q 19. sudden onset of neurologic dysfunction in embolic stroke is usually maximum at

onset

at 12 hours

at 24 hours

at 48 hours

Q 20. ishemic penumbra is located at

center of the core region of infarction

within the core region of infarction

surrounding the core region of infarction

any of the above

Q 21. small vessel disease is responsible for what percentage of ischemic strokes

~ 10%

~ 20%

~ 30%

~ 40%

Q 22. following is responsible for autoregulation of cerebral blood flow

stems of ACA , MCA , PCA

circle of willis

microcirculation

all of the above

Q 23. cerebral perfusion pressure is defined as

systolic blood pressure-intracranial pressure

diastolic blood pressure- intracranial pressure

mean arterial pressure- intracranial pressure

mean arterial pressure÷intracranial pressure

Q 24. BP should not be lowered acutely in acute ischemic stroke because it affects blood flow in

cerebral arteries

cerebral veins

collateral channels

all of the above

Q 25. histotoxic hypoxia is produced by

shock

asphyxiation

carbon monoxide poisoning

any of the above

Q 26. selective persistent memory deficits after brief cardiac arrest is due to injury to

cerebral cortex

basal ganglia

hippocampus

hypothalamus

Q 27. in ischemic penumbra mechanism of cell death is

apoptosis

necrotic

mechanical

toxicity due to free radicals

Q 28. cardioembolism is responsible for what percentage of ischemic strokes

~ 10%

~ 20%

~ 30%

~ 40%

Q 29. most common cause of cerebral cardioembolism

rheumatic heart disease with AF

non-rheumatic heart disease with AF

recent MI

mitral valve prolapse

Q 30. neuroprotection is the concept related to

preventing reinfarction

prolonging brain`s tolerance to ischemia

checking the risk factors

all of the above

NEUROLOGY MCQ – Exercise 14

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