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The following questions include a statement of assertion and a statement of reasoning. Determine whether the statements are true or false, and the correlation between them.
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Question 1 of 5
1. Question
Assertion: Bilateral small pupils in an undifferentiated comatose patient with no other focal signs are most likely to be caused by a pontine haemorrhage
BECAUSE
Reason: a haemorrhage in the pontine tegmentum may disrupt sympathetic pupillary pathwaysMiosis
CorrectIncorrect -
Question 2 of 5
2. Question
Assertion: When investigating coma, a CT is done as the first from of imaging
BECAUSE
Reason: Radiology will not approve an MRI until you’ve done a CT
CorrectIncorrect -
Question 3 of 5
3. Question
Assertion: If a patient presents with coma, respiratory depression and bilateral small pupils, with no other focal signs, they should be given naloxone
BECAUSE
Reason: Naloxone binds to the benzodiazepine receptor and reverses the effects of a benzodiazepine overdose
CorrectIncorrect -
Question 4 of 5
4. Question
Assertion: Regarding a comatose patient with no focal neurological signs and no meningism, the most important investigation to do is a non-con CT
BECAUSE
Reason: A non-con CT is important to perform prior to an LP in this situation
CorrectIncorrect -
Question 5 of 5
5. Question
Assertion: If a patient who is a known alcoholic presents with a decreased level of consciousness, it is worth giving thiamine 500 mg IV empirically
BECAUSE
Reason: Wernicke’s encephalopathy may present with a decreased level of consciousness
CorrectIncorrect