Ethanol poisoning
MacEwen’s sign is seen in:
| A |
Lead poisoning |
|
| B |
Arsenic poisoning |
|
| C |
Ethanol poisoning |
|
| D |
Copper poisoning |
MacEwen’s sign is seen in:
| A |
Lead poisoning |
|
| B |
Arsenic poisoning |
|
| C |
Ethanol poisoning |
|
| D |
Copper poisoning |
MacEwen signs (MacEwen pupil) The pupil of a patient comatose from alcohol intoxication dilates briefly when the patient is stimulated but not awakened, while that of a patient comatose from structural disease does not get dilated for mild stimulation.
Ref: Principles of forensic medicine, Apurva nandy, 3rd Edition,Page 847.
Fatal level of ethanol in blood:
NIMHAS 13
| A |
100-200 mg/dl |
|
| B |
200-300 mg/dl |
|
| C |
300-400 mg/dl |
|
| D |
> 500 mg/dl |
Fatal level of ethanol in blood:
NIMHAS 13
| A |
100-200 mg/dl |
|
| B |
200-300 mg/dl |
|
| C |
300-400 mg/dl |
|
| D |
> 500 mg/dl |
Ans. 300-400 mg/dl
Ethanol is used for ethylene glycol poisoning because it is a:
JIPMER 13
| A |
Competitive inhibitor of aldehyde dehydrogenase |
|
| B |
Higher affinity for alcohol dehydrogenase |
|
| C |
Chemically combines and neutralizes ethylene glycol |
|
| D |
A and B |
Ethanol is used for ethylene glycol poisoning because it is a:
JIPMER 13
| A |
Competitive inhibitor of aldehyde dehydrogenase |
|
| B |
Higher affinity for alcohol dehydrogenase |
|
| C |
Chemically combines and neutralizes ethylene glycol |
|
| D |
A and B |
Ans. Higher affinity for alcohol dehydrogenase

