Perioperative Evaluation Quiz

Preoperative application of scopolamine patch to prevent postoperative nausea and vomiting should be avoided in

• Female, 35 years old

• Smoker, 20 years old

• Patient with a blood pressure of 160/96 mm Hg

• Male, 70 years old

Which of the following drugs is least likely to be effective for prophylaxis for postoperative nausea and vomiting?

• Ondansetron

• Scopolamine patch

• Aprepitant

• Metoclopramide

Famotidine, when used for stress ulcer prophylaxis, must be avoided preoperatively in which of the following patients?

• Patients with replaced mitral valve on warfarin

• Patients with idiopathic thrombocytopenic purpura (ITP) for splenectomy

• Patients with achalasia cardia for esophageal myotomy

• Patients with a history of coronary stenting on aspirin

Which of the following drugs antagonizes substance P in the central nervous system and is used as premedication to prevent postoperative nausea and vomiting?

• Palonosetron

• Aprepitant

• Metoclopramide

• Prochlorperazine

Which of the following predictors is likely to be associated with lower incidence of perioperative nausea and vomiting?

• Female gender

• Use of fentanyl for pain relief

• Patients with a history of smoking

• Patients undergoing laparoscopic surgery

All of the following have an antiemetic action, except

• Promethazine

• Propofol

• Etomidate

• Haloperidol

Cefazolin, as a component of perioperative antimicrobial prophylaxis for surgery, must begin within what time before incision?

• Simultaneously with incision

• Within 30 minutes prior to incision

• Within 60 minutes prior to incision

• Within 120 minutes prior to incision

Vancomycin, as a component of perioperative antimicrobial prophylaxis for surgery, must begin within what time before incision?

• Simultaneously with incision

• Within 30 minutes prior to incision

• Within 60 minutes prior to incision

• Within 120 minutes prior to incision

A 65-year-old male with a history of hypertension and diabetes presents to emergency department with altered sensation with a likely subdural hematoma. To assess his cardiorespiratory status, he is asked about his level of physical activity. If he is capable of performing at least which of the following activities independently, he is less likely to have significant cardiopulmonary ailment during surgery?

• Walk to washroom on level floor

• Play the accordion

• Walk one block

• Climb a flight of stairs

In preoperative assessment of patients, physical activity is graded in terms of metabolic equivalents (METs). The value that corresponds to oxygen consumption of 1 MET in an adult is

• 2 mL/kg/min

• 7 mL/kg/min

• 3.5 mL/kg/min

• 5.5 mL/kg/min