CST CST Pharmacology & Anesthesia 2

Question 1

What is the purpose of administering a prophylactic antibiotic before the surgical incision?

Accepted Answer

To reduce the risk of surgical site infection

Answer

Prophylactic antibiotics are given within 60 minutes before incision to reduce the risk of surgical site infections (SSIs).

Question 2

Which drug class is used to facilitate endotracheal intubation by temporarily paralyzing skeletal muscles?

Accepted Answer

Neuromuscular blocking agents

Answer

Neuromuscular blocking agents (NMBAs), such as succinylcholine and rocuronium, paralyze skeletal muscles to allow intubation and mechanical ventilation.

Question 3

During a procedure, the surgeon requests a 1% lidocaine solution with 1:200,000 epinephrine. What does the concentration '1%' indicate?

Accepted Answer

10 mg per mL

Answer

A 1% solution contains 10 mg of drug per mL (1 g per 100 mL), a standard pharmacology calculation used in the OR.

Question 4

What is the role of neostigmine in the anesthesia reversal process?

Accepted Answer

Reverses neuromuscular blockade

Answer

Neostigmine is an anticholinesterase agent that reverses non-depolarizing neuromuscular blockade at the end of surgery.

Question 5

Which of the following is a water-soluble lubricant used by surgical technologists when preparing an endoscope or urinary catheter on the sterile field?

Accepted Answer

Sterile K-Y jelly

Answer

Water-soluble sterile lubricant (e.g., sterile K-Y jelly) is used for scopes and catheters because it dissolves and does not cause tissue irritation.

(CST) Certified Surgery Technician Practice Test

(CST) Certified Surgery Technician Practice Test

CST CST Pharmacology & Anesthesia 2