- What is the most common cause of anaphylaxis during anesthesia?
a) Antihistamines
b) Anesthetic agents
c) Analgesics
d) Muscle relaxantsAnswer: b) Anesthetic agents - Which of the following is a common symptom of anaphylaxis?
a) Nausea
b) Diarrhea
c) Hypotension
d) HeadacheAnswer: c) Hypotension - Which medication is the first-line treatment for anaphylaxis?
a) Epinephrine
b) Diphenhydramine
c) Corticosteroids
d) Sodium bicarbonateAnswer: a) Epinephrine - How should epinephrine be administered in cases of anaphylaxis?
a) Intramuscularly
b) Orally
c) Intravenously
d) SubcutaneouslyAnswer: a) Intramuscularly - What is the recommended dose of epinephrine for adults experiencing anaphylaxis?
a) 0.1 mg
b) 0.3 mg
c) 0.5 mg
d) 1 mgAnswer: b) 0.3 mg - Which of the following is a key feature of anaphylaxis?
a) Gradual onset
b) Prolonged duration
c) Rapid onset
d) Low incidenceAnswer: c) Rapid onset - What is the role of corticosteroids in the management of anaphylaxis?
a) Immediate relief of symptoms
b) Long-term control of inflammation
c) Prevention of future reactions
d) Decrease histamine levelsAnswer: b) Long-term control of inflammation - Which class of drugs is commonly associated with anaphylaxis in anesthesia?
a) Benzodiazepines
b) Opioids
c) Antibiotics
d) AntihistaminesAnswer: c) Antibiotics - What is a common sign of anaphylaxis in the skin?
a) Cyanosis
b) Urticaria
c) Jaundice
d) PallorAnswer: b) Urticaria - Which vital sign change is often observed in anaphylaxis?
a) Bradycardia
b) Hypotension
c) Hyperthermia
d) HypoxiaAnswer: b) Hypotension - Which route of administration is preferred for epinephrine in severe cases of anaphylaxis?
a) Intramuscular
b) Intravenous
c) Oral
d) SubcutaneousAnswer: b) Intravenous - What is the primary action of epinephrine in treating anaphylaxis?
a) Vasodilation
b) Bronchoconstriction
c) Vasoconstriction
d) SedationAnswer: c) Vasoconstriction - Which of the following conditions can mimic symptoms of anaphylaxis?
a) Asthma
b) Hyperthyroidism
c) Hypoglycemia
d) StrokeAnswer: a) Asthma - What is the typical onset time for anaphylaxis after exposure to an allergen?
a) 1-2 hours
b) 30 minutes to 1 hour
c) Immediately to 30 minutes
d) 2-4 hoursAnswer: c) Immediately to 30 minutes - Which of the following should be monitored closely in a patient with anaphylaxis?
a) Blood glucose levels
b) Electrolyte levels
c) Airway patency
d) Renal functionAnswer: c) Airway patency - Which of the following is NOT a common trigger for anaphylaxis in anesthesia?
a) Latex
b) Local anesthetics
c) IV fluids
d) Non-steroidal anti-inflammatory drugs (NSAIDs)Answer: c) IV fluids - Which medication can be used as a secondary treatment after epinephrine in anaphylaxis?
a) Loratadine
b) Hydrocortisone
c) Nitroglycerin
d) FurosemideAnswer: b) Hydrocortisone - What is the recommended position for a patient experiencing anaphylaxis?
a) Prone
b) Supine
c) Trendelenburg
d) Sitting uprightAnswer: c) Trendelenburg - What is the most appropriate action if a patient shows signs of anaphylaxis during surgery?
a) Continue the procedure and observe
b) Administer antihistamines
c) Discontinue the triggering agent and administer epinephrine
d) Increase the anesthetic depthAnswer: c) Discontinue the triggering agent and administer epinephrine - Which of the following is a long-term management strategy for patients with a history of anaphylaxis?
a) Regular use of antihistamines
b) Avoidance of known allergens
c) Routine use of corticosteroids
d) Frequent use of epinephrineAnswer: b) Avoidance of known allergens - What is a common laboratory finding during anaphylaxis?
a) Increased white blood cell count
b) Elevated glucose levels
c) Decreased red blood cell count
d) Increased serum potassiumAnswer: a) Increased white blood cell count - Which is NOT a sign of anaphylaxis?
a) Fever
b) Difficulty breathing
c) Swelling of the face
d) Abdominal crampingAnswer: a) Fever - What is the role of supplemental oxygen in the management of anaphylaxis?
a) To treat bronchospasm
b) To correct hypoxemia
c) To prevent hypotension
d) To reduce swellingAnswer: b) To correct hypoxemia - Which of the following is a potential complication of anaphylaxis if not treated promptly?
a) Pulmonary embolism
b) Renal failure
c) Cardiac arrest
d) Liver failureAnswer: c) Cardiac arrest - What is the initial dose of epinephrine for a child experiencing anaphylaxis?
a) 0.01 mg/kg
b) 0.1 mg/kg
c) 0.3 mg/kg
d) 0.5 mg/kgAnswer: a) 0.01 mg/kg - Which diagnostic test can help confirm anaphylaxis?
a) Skin prick test
b) Chest X-ray
c) Complete blood count (CBC)
d) Arterial blood gas (ABG)Answer: a) Skin prick test - What is the main goal of treatment in anaphylaxis?
a) To increase blood pressure
b) To alleviate symptoms of bronchospasm
c) To reverse the allergic reaction
d) To administer fluidsAnswer: c) To reverse the allergic reaction - Which of the following actions should be taken if a patient does not respond to the initial dose of epinephrine?
a) Increase the dose of epinephrine
b) Administer a different antihistamine
c) Start intravenous fluids
d) Use bronchodilatorsAnswer: a) Increase the dose of epinephrine - Which of the following is a common feature of anaphylactic shock?
a) Hypertension
b) Bradycardia
c) Hypothermia
d) HypoxiaAnswer: d) Hypoxia - Which type of epinephrine auto-injector is commonly used for emergency anaphylaxis?
a) EpiPen
b) Ephedrine
c) Benadryl
d) EpiCardAnswer: a) EpiPen - Which of the following is a primary symptom of anaphylaxis?
a) Severe abdominal pain
b) Rapid onset of rash and swelling
c) Gradual onset of muscle pain
d) Slow onset of coughAnswer: b) Rapid onset of rash and swelling - What is the recommended action if a patient exhibits symptoms of anaphylaxis but is not in a clinical setting?
a) Seek immediate medical attention
b) Wait and observe symptoms
c) Administer oral antihistamines
d) Increase fluid intakeAnswer: a) Seek immediate medical attention - Which of the following medications is least effective in the acute management of anaphylaxis?
a) Epinephrine
b) Corticosteroids
c) Antihistamines
d) VasopressorsAnswer: d) Vasopressors - How does anaphylaxis typically affect the cardiovascular system?
a) Causes bradycardia
b) Results in hypotension
c) Leads to tachycardia
d) Causes hyperthermiaAnswer: b) Results in hypotension - What should be done immediately after administering epinephrine for anaphylaxis?
a) Monitor vital signs
b) Discharge the patient
c) Start intravenous fluids
d) Administer additional medicationsAnswer: a) Monitor vital signs - Which is a common trigger for anaphylaxis in the perioperative setting?
a) Contrast agents
b) General anesthetics
c) Non-opioid analgesics
d) AntihypertensivesAnswer: b) General anesthetics - Which patient population is at higher risk for anaphylaxis during anesthesia?
a) Older adults
b) Pregnant women
c) Children
d) AthletesAnswer: c) Children - What is the primary benefit of administering oxygen during anaphylaxis?
a) To decrease airway swelling
b) To improve oxygenation
c) To reduce fluid retention
d) To stabilize blood pressureAnswer: b) To improve oxygenation - Which monitoring device is crucial for detecting early signs of anaphylaxis?
a) Pulse oximeter
b) Blood pressure cuff
c) Electrocardiogram (ECG)
d) Temperature probeAnswer: a) Pulse oximeter - What is a significant long-term management consideration for patients with a history of anaphylaxis?
a) Avoidance of known allergens
b) Routine use of epinephrine
c) Regular use of corticosteroids
d) Frequent laboratory testsAnswer: a) Avoidance of known allergens - Which of the following is NOT a component of anaphylaxis management?
a) Epinephrine
b) Supplemental oxygen
c) Antihistamines
d) AntipyreticsAnswer: d) Antipyretics - In which area of the body is epinephrine most commonly administered during anaphylaxis?
a) Abdomen
b) Thigh
c) Forearm
d) AbdomenAnswer: b) Thigh - What should be avoided in the management of anaphylaxis to prevent exacerbation?
a) Administering corticosteroids
b) Using vasopressors
c) Delaying treatment
d) Monitoring vital signsAnswer: c) Delaying treatment - Which laboratory test is used to assess the severity of anaphylaxis?
a) Serum IgE levels
b) Chest X-ray
c) Electrolyte panel
d) Complete blood count (CBC)Answer: a) Serum IgE levels - What is the primary reason for using antihistamines in anaphylaxis?
a) To provide immediate relief
b) To manage long-term inflammation
c) To alleviate secondary symptoms
d) To correct electrolyte imbalancesAnswer: c) To alleviate secondary symptoms - Which of the following is a common immediate response to anaphylaxis?
a) Increased heart rate
b) Elevated blood glucose
c) Decreased respiratory rate
d) Decreased blood pressureAnswer: d) Decreased blood pressure - What is the impact of anaphylaxis on the respiratory system?
a) Bronchoconstriction
b) Hyperventilation
c) Reduced airway resistance
d) Decreased oxygen consumptionAnswer: a) Bronchoconstriction - Which step is critical to prevent anaphylaxis during anesthesia?
a) Preoperative assessment of allergies
b) Postoperative monitoring
c) Routine blood tests
d) Avoidance of analgesicsAnswer: a) Preoperative assessment of allergies - What should be done if a patient with anaphylaxis shows no improvement after initial treatment?
a) Administer a second dose of epinephrine
b) Increase the dose of antihistamines
c) Administer additional corticosteroids
d) Increase fluid infusionAnswer: a) Administer a second dose of epinephrine - Which of the following should be included in a patient’s post-anaphylaxis care plan?
a) Regular follow-up appointments
b) Daily epinephrine use
c) Routine use of sedatives
d) Avoidance of all medicationsAnswer: a) Regular follow-up appointments
Topic-wise Anesthesia MCQs
- Anesthesiology MCQs
- Anesthesia Basics:
- Anesthesia Agents MCQs:
- Airway Management:
- Anesthesia Monitoring MCQs – Anesthesia:
- Regional Anesthesia MCQs :
- Patient Assessment and Optimization:
- Anesthesia Delivery Systems MCQs:
- Pediatric Anesthesia MCQs :
- Obstetric Anesthesia MCQs – Anesthesia:
- Anesthesia Complications and Emergencies MCQs:
- Post-Anesthesia Care MCQs:
- Geriatric Anesthesia:
- Ethics and Professionalism in Anesthesia MCQs:
- Simulation and Skills Training MCQs :