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Coma- Part 4
See all quizzes of Coma at here:
Coma- Part 1| Coma- Part 2| Coma- Part 3| Coma- Part 4
1. Tachypnea occurs in which of the following conditions ?
A. Tuberculosis of CNS
B. Lymphoma of CNS
C. Fungal infection of CNS
D. All of the above
2. In nonhabituated patients, what level of ethanol causes impaired
mental activity ?
A. 0.2 g/dL
B. 0.3 g/dL
C. 0.4 g/dL
D. 0.5 g/dL
3. In nonhabituated patients, what level of ethanol is associated
with stupor ?
A. 0.2 g/dL
B. 0.3 g/dL
C. 0.4 g/dL
D. 0.5 g/dL
4. Most cases of coma (and confusion) are due to ?
A. Hemorrhage
B. Tumor
C. Metabolic or toxic origin
D. Hydrocephalus
5. In a case of coma, which of the following may not be detected by
CT scan ?
A. Acute brainstem infarction
B. Sagittal sinus thrombosis
C. Encephalitis
D. All of the above
6. In coma, EEG is useful in which of the following conditions ?
A. Clinically unrecognized seizure
B. Herpesvirus encephalitis
C. Prion (Creutzfeldt-Jakob) disease
D. All of the above
7. Which of the following is typical of metabolic coma ?
A. Delta or triphasic waves in the frontal regions
B. Widespread fast beta activity
C. Widespread variable 8- to 12-Hz activity
D. Normal alpha activity
8.Which of the following is typical of coma due to sedative drugs
(diazepines, barbiturates) ?
A. Delta or triphasic waves in the frontal regions
B. Widespread fast beta activity
C. Widespread variable 8- to 12-Hz activity
D. Normal alpha activity
9.Alpha coma results from ?
A. Hyperventilation
B. Hypoglycemia
C. Pontine damage
D. Subdural hematoma
10. Which of the following is typical of locked-in syndrome ?
A. Delta or triphasic waves in the frontal regions
B. Widespread fast beta activity
C. Widespread variable 8- to 12-Hz activity
D. Normal alpha activity
11. Which of the following condition causes sudden coma ?
A. Acute hydrocephalus
B. Basilar artery embolism
C. Cerebral infarction
D. Encephalitis
12. Gaze paresis is a feature of which cerebrovascular disease ?
A. Thalamic hemorrhage
B. Pontine hemorrhage
C. Cerebellar hemorrhage
D. Subarachnoid hemorrhage
13. Asymmetric limb paresis is a feature of which cerebrovascular
disease ?
A. Basilar artery thrombosis
B. Infarction in middle cerebral artery territory
C. Acute hydrocephalus
D. Subarachnoid hemorrhage
14. Neurologic prodrome or warning spells are a feature of which of
the following ?
A. Basilar artery thrombosis
B. Infarction in middle cerebral artery territory
C. Acute hydrocephalus
D. Subarachnoid hemorrhage
15. Hyperventilation and excessive sweating are a feature of which
cerebrovascular disease ?
A. Thalamic hemorrhage
B. Pontine hemorrhage
C. Cerebellar hemorrhage
D. Subarachnoid hemorrhage
16.Vomiting is a feature of which of the following ?
A. Thalamic hemorrhage
B. Cerebellar hemorrhage
C. Subarachnoid hemorrhage
D. All of the above
17. Precipitous coma after headache and vomiting is a feature of
which of the following ?
A. Thalamic hemorrhage
B. Pontine hemorrhage
C. Cerebellar hemorrhage
D. Subarachnoid hemorrhage
18. Acute hydrocephalus accompanies particularly which of the
following ?
A. Thalamic hemorrhage
B. Pontine hemorrhage
C. Cerebellar hemorrhage
D. Subarachnoid hemorrhage
19. Which of the following diseases cause meningeal irritation ?
A. Fat embolism
B. Cholesterol embolism
C. Carcinomatous meningitis
D. All of the above
20. Which of the following diseases cause focal brainstem or
lateralizing cerebral signs ?
A. Herpes simplex encephalitis
B. Thrombotic thrombocytopenic purpura
C. Pituitary apoplexy
D. All of the above
21. Cellular content of the CSF is not normal in which of the following ?
A. Malaria
B. Fat embolism
C. Typhoid fever
D. Eclampsia
22 Which of the following is a feature of brain death ?
A. Heart rate unresponsive to atropine
B. Diabetes insipidus
C. Absent Babinski signs
D. All of the above
23 In a valid apnea testing, Pco2 should be at least ?
A. 30 – 40 mmHg
B. 40 – 50 mmHg
C. 50 – 60 mmHg
D. 60 – 70 mmHg
