Corrosive (MCQ)
1- Antidote of oxalic acid poisoning is:
A- Calcium gluconate
B-Magnesium oxide
C- Potassium permanganate
D- Charcoal
معز.د
2- Characteristic features of alkali poisoning are all, EXCEPT: شلفيط
A- Stomach perforation is common
B- Produce liquefactive necrosis
C- Alkali hematin is formed
D- Esophageal stricture formation is a complication
3- Tick mark WRONG statement regarding corrosive poisoning:
A- Chemical antidote is indicated for neutralization
B- Acids change hemoglobin to acid hematin
C- Most of the cases occur accidentally in children
d- In some cases poisoning associated with hypocalcaemia
4- Phenol is characterized by which of the following?
A- It is a protoplasmic poison
B- It may cause skin gangrene
C- It has an anesthetic effect on sensory nerve endings
D- All of the above
5- Cardiac arrest in oxalic acid toxicity is due to due to one of the following:
A- Sever pain
B- Hypocalcaemia
C- Dehydration
D- Parasympathetic
6- A classical example of a poison that can give both systemic and local effects
is:
A- Oxalic acid B- Sulfuric acid
C- Alkalis D- All of the above
7- Which of the following is NOT true about corrosives in general?
A- Their action is by direct toxic mechanism
B- They are generally either acids or alkalis
C- Gastric lavage is contraindicated in all of them
D- They can cause irreversible injury
E- They can cause local and remote systemic effects
Dr. Moez
Moez_sholfet@y 1 Sholfet
ahoo.com
1- Antidote of oxalic acid poisoning is:
A- Calcium gluconate
B-Magnesium oxide
C- Potassium permanganate
D- Charcoal
معز.د
2- Characteristic features of alkali poisoning are all, EXCEPT: شلفيط
A- Stomach perforation is common
B- Produce liquefactive necrosis
C- Alkali hematin is formed
D- Esophageal stricture formation is a complication
3- Tick mark WRONG statement regarding corrosive poisoning:
A- Chemical antidote is indicated for neutralization
B- Acids change hemoglobin to acid hematin
C- Most of the cases occur accidentally in children
d- In some cases poisoning associated with hypocalcaemia
4- Phenol is characterized by which of the following?
A- It is a protoplasmic poison
B- It may cause skin gangrene
C- It has an anesthetic effect on sensory nerve endings
D- All of the above
5- Cardiac arrest in oxalic acid toxicity is due to due to one of the following:
A- Sever pain
B- Hypocalcaemia
C- Dehydration
D- Parasympathetic
6- A classical example of a poison that can give both systemic and local effects
is:
A- Oxalic acid B- Sulfuric acid
C- Alkalis D- All of the above
7- Which of the following is NOT true about corrosives in general?
A- Their action is by direct toxic mechanism
B- They are generally either acids or alkalis
C- Gastric lavage is contraindicated in all of them
D- They can cause irreversible injury
E- They can cause local and remote systemic effects
Dr. Moez
Moez_sholfet@y 1 Sholfet
ahoo.com
