CST Anesthesia & Surgical Positioning 2

Question 1

Which local anesthetic has the longest duration of action and is commonly used for spinal and epidural blocks?

Accepted Answer

Bupivacaine

Answer

Lidocaine

Answer

Procaine

Answer

Chloroprocaine

Question 2

Epinephrine is added to local anesthetic solutions primarily to:

Accepted Answer

Prolong duration by causing local vasoconstriction

Answer

Increase the potency of the anesthetic

Answer

Prevent allergic reactions

Answer

Speed systemic absorption

Question 3

Capnography (end-tidal CO2 monitoring) is primarily used intraoperatively to confirm:

Accepted Answer

Correct endotracheal tube placement and ventilation adequacy

Answer

Oxygen saturation levels

Answer

Blood pressure stability

Answer

Cardiac rhythm

Question 4

Which reversal agent is used to antagonize non-depolarizing neuromuscular blocking agents at the end of surgery?

Accepted Answer

Neostigmine

Answer

Naloxone

Answer

Flumazenil

Answer

Physostigmine

Question 5

A laryngeal mask airway (LMA) is best classified as:

Accepted Answer

A supraglottic airway device that sits above the larynx

Answer

An endotracheal device inserted through the vocal cords

Answer

A nasopharyngeal airway adjunct

Answer

A device used only during bronchoscopy

Question 6

Monitored Anesthesia Care (MAC) is most appropriately selected when:

Accepted Answer

The patient needs sedation and analgesia while remaining responsive

Answer

The patient requires complete muscle relaxation

Answer

The procedure is major abdominal surgery

Answer

General endotracheal anesthesia has failed

Question 7

Which volatile inhalation anesthetic is commonly associated with the least airway irritation and is preferred for inhalation induction in pediatric patients?

Accepted Answer

Sevoflurane

Answer

Desflurane

Answer

Isoflurane

Answer

Halothane