Overdose

Question 1

When taken in overdose, which substance causes tinnitus

Answer 1

Aspirin

Question 2

When taken in overdose, which substance causes urinary retention

Answer 2

Heroin

Question 3

When taken in overdose, which substance causes hypercapnea

Answer 3

Heroin

Question 4

When taken in overdose, which substance causes myoclonic jerks

Answer 4

Lithium
- can cause myoclonus even at therapeutic levels

Question 5

What is the treatment for malignant hyperthermia

Answer 5

Sodium dantrolene

Question 6

What is it called when someone experiences muscle rigidity and high fever post anaesthesia

Answer 6

Malignant hyperthermia
- caused by inherited gene mutation

Question 7

A man given ECT for depression has a period of prolonged muscle paralysis post-anaesthesia, what does he have

Answer 7

Pseudocholinesterase deficiency

Question 8

Antidote for opioid overdose

Answer 8

Naloxone

Question 9

Treatment for lithium toxicity

Answer 9

Renal dialysis

Question 10

Treatment for benztropine overdose

Answer 10

Physostigmine

Question 11

When is serious toxicity possible for PCM overdose

Answer 11

> 75mg/kg

Question 12

What is activated charcoal not effective at adsorbing

Answer 12

Alcohol, metals such as lithium and iron

Question 13

When should plasma paracetamol levels be measured for risk assessment

Answer 13

No earlier than 4 hours and no later than 15 hours after ingestion

Question 14

The benzo most likely to cause severe seizures if flumazenil is given

Answer 14

Alprazolam

Question 15

Triad of TCA toxicity

Answer 15

Cardiac arrhythmia, drowsiness, seizures

Question 16

Treatment for TCA overdose

Answer 16

Sodium bicarbonate