Anaesthesia Comprehensive Quiz
371 questions
July 26, 2025
1.
Which of the following fluids should be avoided in a patient with hyperkalemia?
2.
During surgery, a patient with a known history of thyroid disorders presents with wide pulse pressure and elevated blood pressure. What is the most likely underlying condition causing these symptoms?
3.
Which anticoagulant in RBC storage is associated with a 42-day shelf life?
5.
Fluid resuscitation during major abdominal surgery with which of the following agents is associated with the best survival data?
6.
What is the most common cause of shivering in the post-anesthesia care unit (PACU)?
7.
A 30-year-old male undergoes exploratory laparotomy. He receives 4 RBC, 2 FFP and 2 hours after the surgery he becomes hypoxemic and hypotensive. A CXR shows bilateral pulmonary edema and PCWP is 8 mmHg (normal is 6 - 12). Which of the following is the most appropriate management of this patient?
8.
What is the primary reason for the fast onset of chloroprocaine despite its high pKa?
9.
What is the expected initial volume expansion of 5% albumin when administered intravenously?
10.
Which of the following best explains the occurrence of hypothermia during massive transfusion?
11.
Which of the following is the most appropriate first step after an initial unsuccessful intubation attempt?
12.
What is the primary reason for the fast onset of chloroprocaine despite its high pKa?
13.
In cyanide toxicity, what is the expected arterial blood gas (ABG) finding?
14.
During a diagnostic laparoscopy, an intubated and anesthetized patient is placed in Trendelenburg. Over the next 20 minutes, SpO2 decreases from 100% to 95%, and ETCO2 increases from 35 to 40 without changes in ventilator settings. The most likely reason is:
15.
Recovery from LA-induced cardiac arrest may take over 1 hour:
16.
Which of the following patients is at the highest risk for post-operative nausea and vomiting (PONV)?
17.
What is the most accurate definition of Cardiac Output (CO)?
18.
A 60-year-old male with a history of COPD is undergoing elective surgery. The anesthesiologist chooses an inhaled anesthetic that provides potent bronchodilation and has minimal cardiovascular effects. Which agent was most likely chosen, and why?
19.
Which standard is described by the ASA ( American Society of Anesthesiologists) for basic anesthetic monitoring regarding the presence of qualified anesthesia personnel?
20.
Lidocaine can be given as an anti-arrhythmic during a LAST crisis:
21.
What should be done if a post-operative patient exhibits signs of hypovolemia in the PACU?
22.
In thermoregulation, the pre-optic anterior hypothalamus receives afferent input primarily via which pathway?
23.
A patient with tachycardia in the PACU should primarily be assessed for:
24.
Causes of the anticoagulant effect of a massive blood transfusion includes:
25.
Administration of a benzodiazepine to control seizures is indicated:
26.
What is the normal range of neck extension at the atlanto-occipital joint required for intubation?
27.
In patients with severe hypovolemia:
28.
Which mechanism accounts for the greatest amount of heat loss during surgery?
29.
Which of the following is most commonly associated with a difficult airway in patients with Down syndrome?
30.
In a normal person, heart rate is increased by:
31.
Difficult intubation should be anticipated in:
32.
Which Mallampati class is associated with the highest risk of difficult intubation?
33.
Which type of shock is characterized by low systemic vascular resistance and is often associated with warm extremities?
34.
A patient with a history of malignant hyperthermia is scheduled for surgery. Which inhaled anesthetic is most appropriate for this patient?
35.
A 45-year-old woman is undergoing a laparoscopic cholecystectomy. During the procedure, her blood pressure suddenly drops, and her pulse rate decreases. She was administered a volatile anesthetic with the following properties: blood: gas partition coefficient of 2.54 and MAC of 0.75%. Which anesthetic was most likely used, and what is the likely cause of her hemodynamic instability?
36.
Which colloid has the longest duration of volume expansion?
37.
Which fluid is most appropriate for maintenance therapy in a patient with normal serum sodium levels?
38.
What should be done if a post-operative patient exhibits signs of hypovolemia in the PACU?
39.
In the PACU, a GCS score of 10 indicates:
40.
A 70-year-old patient presents with severe anemia (Hb 6 g/dL) and a history of IgA deficiency with anaphylaxis. What blood product should be administered?
41.
Which of the following effects does hypothermia have on the oxygen-hemoglobin dissociation curve?
42.
A 35-year-old female with no history of PONV undergoes a short, 45-minute orthopedic procedure. Which antiemetic option is most appropriate to administer post-operatively?
43.
Which of the following is a primary cause of non-cardiogenic pulmonary edema in transfusion reactions?
44.
A 55-year-old male with a history of rheumatoid arthritis presents for elective surgery. During the preoperative assessment, the anesthetist notes that the patient has a reduced range of neck mobility and a history of neck pain. On examination, the Mallampati classification is noted to be Class III, and the patient is unable to extend his neck fully. What is the most appropriate airway management strategy for this patient?
45.
What is the wavelength at which deoxyhemoglobin (Hb) absorbs more light?
46.
A patient undergoing elective surgery develops intraoperative hypertension. The anaesthesia provider notes that the patient’s blood pressure remains elevated despite increasing the depth of anaesthesia. What is the most appropriate next step in managing this patient?
47.
Which of the following clinical signs would be most consistent with a diagnosis of tension pneumothorax causing obstructive shock?
48.
Which of the following is the most accurate method of measuring core body temperature?
49.
Which of the factors in adults listed below is the strongest independent predictor of PONV in most adults?
50.
A 35-year-old male undergoing surgery experiences a drop in blood pressure after induction with an IV anesthetic. Which of the following agents is most likely responsible?
51.
During capnography, which phase represents the alveolar plateau?
52.
What would be the best intervention for a patient experiencing methemoglobinemia following topical benzocaine application?
53.
Which compartment contains the largest portion of total body water in a 70 kg male?
54.
At high altitudes, the anesthetic effect of inhaled agents is most reduced due to which of the following factors?
55.
A 70kg person with LAST should receive intralipid boluses of approximately 100mls:
56.
A 45-year-old female undergoes a laparoscopic cholecystectomy under general anesthesia. Post-operatively, she is transferred to the PACU. The nurse notes that the patient is breathing shallowly, and her oxygen saturation is 88%. What is the most likely cause of the patient’s desaturation?
57.
What is the recommended management for a patient with a difficult airway who cannot be intubated or ventilated?
58.
Which anticoagulant in RBC storage is associated with a 42-day shelf life?
59.
Which inhaled anesthetic is most suitable for induction in pediatric patients due to its pleasant smell and rapid onset?
60.
What is the most appropriate initial management for intraoperative hypotension caused by a high spinal block?
61.
Which of the following fluids is least likely to cause a dilutional acidosis when given in large volumes?
62.
A 60-year-old patient undergoing cardiac surgery has an INR of 2.8 and begins to bleed excessively. What is the most appropriate initial treatment?
63.
The total maximum dose of intralipid in the management of LAST can be reached in less than 20 minutes:
64.
Which type of EKG monitoring system is most sensitive for detecting ischemia?
66.
Which local anesthetic is preferred for use in patients with a high risk of cardiovascular complications, and why?
67.
A 45-year-old female is undergoing elective surgery for a cholecystectomy. During the procedure, the anesthesiologist notices that the patient’s blood pressure is dropping, and there is decreased urine output. The patient is given a bolus of 0.9% Saline but shows no improvement in hemodynamics. The anesthesiologist decides to perform a transesophageal echocardiogram (TEE). What is the most likely reason for performing TEE in this scenario?
68.
Which NMBA causes sympathomimetic response by blocking ACh receptors?
69.
A 34-year-old patient undergoing a minor surgical procedure is administered bupivacaine for a peripheral nerve block. After 30 minutes, the patient experiences lightheadedness, tinnitus, and then a seizure. What is the most likely cause of these symptoms?
70.
Which inhaled anesthetic is contraindicated in patients with coronary artery disease due to its potential to cause coronary steal?
71.
Which of the following is most likely to be associated with a difficult intubation?
72.
Which of the following conditions is most likely to cause a narrow pulse pressure?
73.
Which IV anesthetic is most appropriate for induction in a patient with a history of severe cardiovascular disease?
74.
What is the primary reason for avoiding nitrous oxide in patients with pneumothorax?
75.
Compared with intracellular fluid, the extracellular fluid contains a greater concentration of:
76.
Which of the following conditions is most associated with an increased risk of atlanto-axial subluxation during intubation?
77.
The following cause raised intracranial pressure:
78.
What is the goal ETCO2 during CPR to indicate adequate chest compressions and the return of spontaneous circulation?
79.
Which of the following is a primary benefit of therapeutic hypothermia in a patient with post-cardiac arrest syndrome?
80.
The most appropriate action for a patient who has received nitrous oxide during surgery and shows signs of hypoxemia is:
81.
Which of the following conditions would likely result in resistance to the effects of succinylcholine?
82.
In a patient with methemoglobinemia, what is the typical SpO2 reading despite a normal PaO2 on ABG?
83.
A 40-year-old obese female presents for a cholecystectomy. She has a history of obstructive sleep apnea and her Mallampati classification is noted to be Class IV. The anesthetist is concerned about the potential for a difficult airway. What is the most appropriate initial approach to airway management for this patient?
84.
Which of the following is the most appropriate first step after an initial unsuccessful intubation attempt?
85.
A 50-year-old man with a history of prolonged immobility due to spinal cord injury is scheduled for surgery. Which of the following NMBAs is contraindicated?
86.
What is the definition of osmosis?
87.
Which of the following statements best describes the monitoring of temperature during general anesthesia?
88.
A patient presents with a bee sting, followed by sudden onset of shortness of breath, hypotension, and a rash. What is the most important first-line treatment?
89.
A 45-year-old male with a history of IgA deficiency is undergoing surgery and requires a transfusion. Within minutes of starting the transfusion, he develops respiratory distress, hypotension, and a rash. What is the most likely diagnosis and appropriate initial management?
90.
Which of the following findings is most likely in a patient with cardiogenic shock?
91.
The maximum dose of plain lidocaine is
92.
A 70-year-old woman is admitted with septic shock secondary to pneumonia. Despite aggressive fluid resuscitation, her mean arterial pressure (MAP) remains below 60 mmHg. What is the most appropriate next step in management?
94.
Which of the following clinical signs would be most consistent with a diagnosis of tension pneumothorax causing obstructive shock?
95.
Which property would most likely lead to a slower induction time?
96.
A 50-year-old man is undergoing an extensive surgical procedure with an estimated blood loss of 1500 mL. The surgeon anticipates further blood loss during the procedure. The patient has a history of cancer and the surgical site is not infected. What intraoperative blood management technique should be used to manage this patient’s blood loss effectively?
97.
Which of the following scenarios would most likely result in an overdose of inhaled anesthetics?
98.
Which of the following antiemetic agents is a 5-HT3 receptor antagonist and is commonly administered 30 minutes before emergence from anesthesia?
99.
Which of the following correctly differentiates between "continual" and "continuous" monitoring?
100.
Which of the following statements best describes the monitoring of temperature during general anesthesia?
