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Coma- Part 1
See all quizzes of Coma at here:
Coma- Part 1| Coma- Part 2| Coma- Part 3| Coma- Part 4
1 At bedside, which of the following terms is not ambiguous and is
preferred ?
A. Lethargy
B. Drowsiness
C. Semicoma
D. Obtundation
2 Akinetic mutism results from damage in ?
A. Ventral pons
B. Medial thalamic nuclei
C. Temporal lobe
D. Any of the above
3 Abulia describes a milder form of ?
A. Parkinsonism
B. Akinetic mutism
C. Catatonia
D. Locked-in state
4 Which of the following occurs as part of a major psychosis ?
A. Akinetic mutism
B. Abulia
C. Catatonia
D. Locked-in state
5 Catatonia is differentiated from akinetic mutism by ?
A. Level of awakening
B. Babinski signs
C. Blinking
D. Mobility
6 “Waxy flexibility” is a feature of which of the following ?
A. Abulia
B. Akinetic mutism
C. Catatonia
D. Locked-in state
7 “Locked-in state” results from damage in ?
A. Ventral pons
B. Medial thalamic nuclei
C. Temporal lobe
D. Any of the above
8 “Locked-in state” like condition may be seen in ?
A. Guillain-Barré syndrome
B. Critical illness neuropathy
C. Pharmacologic neuromuscular blockade
D. Any of the above
9 Coma results due to damage in reticular activating system (RAS)
at the level of ?
A. Medulla oblongata
B. Pons
C. Lower midbrain
D. Upper midbrain
10 Metabolic derangement that can lead to suppression of
reticulocerebral function is ?
A. Hypoglycemia
B. Uremia
C. Hepatic failure
D. All of the above
11 Which of the following finding suggests that the lesion is in the
upper brainstem ?
A. Pupillary enlargement
B. Loss of light reaction
C. Loss of vertical & adduction movements of eyes
D. All of the above
12 The term ‘coma dépassé’ means ?
A. Hysteria
B. Irreversible coma
C. Coma during pregnancy
D. Coma in children
13 As brain death occurs, which is the last part of brain to cease to
function ?
A. Cerebral cortex
B. Midbrain
C. Pons
D. Medulla oblongata
14 Misdiagnosis of brain death is possible in ?
A. Locked-in syndrome
B. Hypothermia
C. Drug intoxication
D. All of the above
15 In the tests to confirm brain death, “hollow-skull sign” is a finding
in which of the following ?
A. EEG
B. Dynamic radionuclide brain scan
C. Cerebral angiography
D. Transcranial Doppler measurements
16 Which part of brain is damaged in “locked-in syndrome” ?
A. Medulla oblongata
B. Pons
C. Midbrain
D. Thalamus
17 The principal cause of coma is ?
A. Lesions that damage substantial portion of RAS
B. Destruction of large portions of both cerebral hemispheres
C. Suppression of thalamocerebral function by drugs, toxins,
hypoglycemia, anoxia, azotemia, or hepatic failure
D. All of the above
18 Kernohan-Woltman sign best relates to ?
A. Hypoglycemia
B. Central fever
C. Transtentorial herniation
D. Epileptic Coma
19 Kernohan-Woltman sign refers to ?
A. Contraleteral pupillary dilatation in brain mass lesion
B. Waxing and waning levels of consciousness
C. Hemiparesis contralateral to original hemiparesis
D. Bilateral nystagmus
20 Brain herniation can be ?
A. Transfalcial
B. Transtentorial
C. Foraminal
D. All of the above
21Cingulate gyrus is likely to be involved in which of the following
brain herniations ?
A. Temporal transtentorial herniation
B. Central transtentorial herniation
C. Transfalcial herniation
D. Foraminal herniation
22 Cerebellar tonsils are likely to be involved in which of the following
brain herniations ?
A. Temporal transtentorial herniation
B. Central transtentorial herniation
C. Transfalcial herniation
D. Foraminal herniation
23 Drowsiness occurs when horizontal displacement of the pineal
calcification occurs by ?
A. 1 to 3 mm
B. 3 to 5 mm
C. 6 to 8 mm
D. > 9 mm
24 Stupor occurs when horizontal displacement of the pineal
calcification occurs by ?
A. 1 to 3 mm
B. 3 to 5 mm
C. 6 to 8 mm
D. > 9 mm
25 Coma occurs when horizontal displacement of the pineal
calcification occurs by ?
A. 1 to 3 mm
B. 3 to 5 mm
C. 6 to 8 mm
D. > 9 mm
