Preoperative and Postoperative Care MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. The main purpose of preoperative assessment is to: (A) Diagnose surgical disease (B) Optimize patient’s condition before surgery (C) Reduce surgical cost (D) Shorten hospital stay 2. ASA physical status classification is used to assess: (A) Cardiac risk only (B) Overall preoperative fitness (C) Pulmonary function (D) Postoperative pain 3. A patient with severe systemic disease that is a constant threat to life falls under: (A) ASA I (B) ASA II (C) ASA III (D) ASA IV 4. The most important factor for prevention of postoperative pulmonary complications is: (A) Chest physiotherapy (B) Adequate analgesia (C) Oxygen therapy (D) Preoperative antibiotics 5. Which electrolyte imbalance most commonly causes arrhythmias in the postoperative period? (A) Hypocalcemia (B) Hypokalemia (C) Hypernatremia (D) Hypermagnesemia 6. The most common cause of postoperative fever within 24 hours is: (A) Pulmonary embolism (B) Atelectasis (C) Wound infection (D) Urinary tract infection 7. Wound infection usually appears after: (A) 24–48 hours (B) 3–7 days (C) 10–14 days (D) Immediately after surgery 8. Postoperative pulmonary embolism typically occurs after: (A) 6–12 hours (B) 1–3 days (C) 5–7 days (D) 10–14 days 9. Prophylaxis for deep vein thrombosis (DVT) includes: (A) Early ambulation (B) Low molecular weight heparin (C) Compression stockings (D) All of the above 10. The most common site of thrombus formation leading to pulmonary embolism is: (A) Superficial veins (B) Femoral vein (C) Popliteal vein (D) Deep veins of lower limb 11. A clean surgical wound is defined as: (A) Infected wound (B) Non-traumatic wound with no entry into hollow viscus (C) Wound with contamination (D) Wound with necrosis 12. Prophylactic antibiotics are most effective when given: (A) 12 hours before surgery (B) At induction of anesthesia (C) Postoperatively (D) 24 hours before surgery 13. The most common electrolyte disturbance after thyroid surgery is: (A) Hypokalemia (B) Hypernatremia (C) Hypocalcemia (D) Hyponatremia 14. The most common complication of blood transfusion is: (A) Hemolysis (B) Febrile non-hemolytic reaction (C) Sepsis (D) Graft vs. host disease 15. The best method to assess fluid replacement in postoperative patients is: (A) Urine output (B) Blood pressure (C) Pulse rate (D) Central venous pressure 16. Minimum urine output required in adults postoperatively is: (A) 0.25 ml/kg/hr (B) 0.5 ml/kg/hr (C) 1.0 ml/kg/hr (D) 2.0 ml/kg/hr 17. Postoperative paralytic ileus is most commonly caused by: (A) Electrolyte imbalance (B) Peritonitis (C) Drugs like opioids (D) All of the above 18. The first sign of hypovolemia in postoperative patients is: (A) Tachycardia (B) Hypotension (C) Oliguria (D) Restlessness 19. Which is the most reliable parameter for diagnosing postoperative shock? (A) Blood pressure (B) Pulse rate (C) Urine output (D) Mental status 20. The most common cause of postoperative urinary retention is: (A) Anesthesia (B) Urethral stricture (C) Bladder stone (D) Infection 21. Epidural anesthesia commonly causes: (A) Hypertension (B) Hypotension (C) Tachycardia (D) Arrhythmias 22. Postoperative nausea and vomiting are most effectively prevented with: (A) Proton pump inhibitors (B) Ondansetron (C) Antacids (D) Antibiotics 23. The most common pulmonary complication after abdominal surgery is: (A) Atelectasis (B) Pneumothorax (C) Bronchiectasis (D) ARDS 24. In postoperative care, incentive spirometry is used to: (A) Prevent pulmonary embolism (B) Prevent atelectasis (C) Increase cardiac output (D) Reduce wound infection 25. The most common cause of postoperative jaundice is: (A) Viral hepatitis (B) Drug-induced liver injury (C) Hemolysis (D) Sepsis 26. The earliest sign of wound infection is: (A) Pus discharge (B) Redness and warmth (C) Fever (D) Wound dehiscence 27. The most common organism causing surgical site infection is: (A) Streptococcus (B) Staphylococcus aureus (C) Pseudomonas (D) Klebsiella 28. The most serious complication of wound infection is: (A) Abscess (B) Septicemia (C) Cellulitis (D) Seroma 29. Dehiscence of surgical wound usually occurs: (A) Within 24 hours (B) On 3rd–7th postoperative day (C) After 2 weeks (D) Immediately after surgery 30. The most important factor in preventing wound dehiscence is: (A) Proper suture material (B) Good surgical technique (C) Antibiotics (D) Adequate analgesia 31. A patient with fever, tachycardia, hypotension, and wound discharge on 4th postoperative day is most likely suffering from: (A) Pulmonary embolism (B) Septicemia (C) Wound infection (D) Myocardial infarction 32. The most common cause of postoperative delirium in elderly is: (A) Hypoxia (B) Hypoglycemia (C) Infection (D) Drugs 33. The most common postoperative electrolyte disturbance in elderly is: (A) Hyponatremia (B) Hyperkalemia (C) Hypokalemia (D) Hypernatremia 34. A patient develops fever on day 1 after surgery. The most likely cause is: (A) Pulmonary atelectasis (B) Wound infection (C) Catheter infection (D) DVT 35. Postoperative pain is best managed with: (A) Antibiotics (B) NSAIDs and opioids (C) Steroids (D) Antihistamines 36. Early ambulation in postoperative patients reduces: (A) Pulmonary complications (B) Thromboembolism (C) Muscle wasting (D) All of the above 37. Which vitamin is essential for wound healing? (A) Vitamin A (B) Vitamin B12 (C) Vitamin C (D) Vitamin D 38. The most common cause of postoperative sepsis is: (A) Wound infection (B) Catheter infection (C) IV line infection (D) Pneumonia 39. Postoperative pulmonary embolism is best diagnosed by: (A) Chest X-ray (B) D-dimer test (C) CT pulmonary angiography (D) ECG 40. Which is the safest period for elective surgery during pregnancy? (A) First trimester (B) Second trimester (C) Third trimester (D) Anytime 41. A hypertensive patient for surgery should ideally: (A) Stop antihypertensive drugs (B) Continue antihypertensive drugs (C) Take only diuretics (D) Avoid surgery 42. The most common cause of postoperative myocardial infarction is: (A) Hypoxia (B) Hypovolemia (C) Electrolyte imbalance (D) Tachyarrhythmia 43. Malignant hyperthermia is triggered by: (A) Thiopentone (B) Halothane and succinylcholine (C) Nitrous oxide (D) Ketamine 44. The drug of choice for malignant hyperthermia is: (A) Atropine (B) Dantrolene (C) Diazepam (D) Thiopentone 45. The most common cause of death in the early postoperative period is: (A) Hemorrhage (B) Pulmonary embolism (C) Myocardial infarction (D) Septicemia 46. The most common cause of death in the late postoperative period is: (A) Septicemia (B) Pulmonary embolism (C) Wound infection (D) Renal failure 47. The safest suture material for intestinal anastomosis is: (A) Silk (B) Nylon (C) Vicryl (D) Catgut 48. The most common cause of postoperative hypoxemia is: (A) Atelectasis (B) ARDS (C) Pulmonary embolism (D) Pneumonia 49. Postoperative ARDS is most commonly caused by: (A) Aspiration (B) Sepsis (C) Trauma (D) All of the above 50. Which is the best marker of nutritional status before surgery? (A) Hemoglobin (B) Albumin (C) BMI (D) Cholesterol Related Posts:Reproductive strategies and parental care MCQsEthics of Care MCQsCritical Care Nursing MCQsVeterinary care of wild animals MCQsPerinatology (High-Risk Pregnancy Care) MCQsPediatrics (related to neonatal care) MCQs