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HESI RN · HESI Pharmacology · CNS Drugs Pharmacology

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

An unconscious patient is brought to the emergency department with a history of an unknown drug overdose. Which of the following actions should the physician perform?

A. Administer 50ml of 50% dextrose, thiamine 100 mg IV push, and naloxone 0.8 mg IV push

B. Protect the patient's airway and ensure that vital signs are stable

C. Perform gastric lavage

D. All of the above

Expert Explanatory Rationale

Correct Answer: All of the above

Question 2 of 5

Which of the following benzodiazepines is expected to cause the least amount of adverse effects in the elderly?

A. Chlordiazepoxide

B. Diazepam

C. Flurazepam

D. Oxazepam

Expert Explanatory Rationale

Correct Answer: Oxazepam

Question 3 of 5

The inhalation anesthetic with the fastest onset of action is

A. Enflurane

B. Isoflurane

C. Nitrous oxide

D. Nitrogen dioxide

Expert Explanatory Rationale

Correct Answer: Nitrous oxide

Question 4 of 5

A 5-year-old child is admitted to the hospital with low grade fever and a persistent cough. His throat culture is negative, his fever has resolved, and all that is left is slight cough. Which of the following is an OTC opioid antitussive could the paediatrician recommend for this child?

A. Tramadol

B. Propoxyphene

C. Loperamide

D. Dextromethorphan

Expert Explanatory Rationale

Correct Answer: Dextromethorphan

Question 5 of 5

Prostaglandins involved in inflammatory processes are produced from arachidonic acid by

A. Cyclooxygenase 1

B. Cyclooxygenase 2

C. Glutathione - S - transferase

D. Lipoxygenase

Expert Explanatory Rationale

Correct Answer: Cyclooxygenase 2

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