MAC Preoperative Assessment & Patient Evaluation 1 — Questions and Answers
Question 1: What ASA physical status classification is assigned to a patient with well-controlled hypertension and no functional limitations?
- ASA I
- ASA II (Correct answer)
- ASA III
- ASA IV
Correct answer: ASA II
ASA II indicates a patient with mild systemic disease that does not limit functional capacity.
Question 2: Which preoperative lab is most important for a patient taking warfarin before elective surgery?
- CBC
- BMP
- INR/PT (Correct answer)
- LFTs
Correct answer: INR/PT
INR/PT assesses the anticoagulation level of warfarin to guide perioperative management.
Question 3: What is the recommended NPO time for clear liquids before elective surgery in adults per ASA guidelines?
- 2 hours (Correct answer)
- 4 hours
- 6 hours
- 8 hours
Correct answer: 2 hours
ASA guidelines permit clear liquids up to 2 hours before elective procedures in healthy adults.
Question 4: Which airway assessment finding suggests potential difficult intubation?
- Mallampati class I
- Thyromental distance >6 cm
- Mouth opening >4 cm
- Mallampati class III-IV (Correct answer)
Correct answer: Mallampati class III-IV
Mallampati class III-IV indicates limited visibility of pharyngeal structures, predicting difficult intubation.
Question 5: A patient with known MRSA colonization requiring emergency surgery should receive what antibiotic prophylaxis?
- Cefazolin
- Vancomycin (Correct answer)
- Ampicillin
- Clindamycin
Correct answer: Vancomycin
Vancomycin is used for surgical prophylaxis in patients with known or suspected MRSA colonization.
Question 6: Which condition most significantly increases the risk of pulmonary aspiration during induction?
- Controlled hypertension
- Full stomach or gastroparesis (Correct answer)
- Mild anemia
- Well-controlled asthma
Correct answer: Full stomach or gastroparesis
A full stomach or gastroparesis increases gastric volume and aspiration risk, necessitating rapid sequence induction.
MAC Preoperative Assessment & Patient Evaluation 1
What ASA physical status classification is assigned to a patient with well-controlled hypertension and no functional limitations?