Anesthesia Hub -

10 Random Questions

Which of the following inhalational anesthetics best relieves left ventricular outflow obstruction in a patient with hypertrophic obstructive cardiomyopathy (IHSS)?

(A) Desflurane
(B) Halothane
(C) Isoflurane
(D) Nitrous oxide
(E) Sevoflurane

Pulsus paradoxus is commonly seen during anesthesia in patients with each of the following conditions EXCEPT

(A) severe asthma
(B) right-sided heart failure
(C) hypovolemia
(D) atrial septal defect
(E) obesity

BASIC General Cardiac

A 30-year-old man who is undergoing laparotomy and resection of a large kidney tumor has a decrease in SpO2 from 100% to 92% and an increase in peak airway pressure from 20 to 35 cm H2O. Plateau pressure is unchanged at 18 cm H2O. Which of the following is the most likely cause?

(A) Abdominal packing
(B) Inadequate anesthesia
(C) Inadequate muscle relaxation
(D) Obstruction of the endotracheal tube
(E) Pneumothorax

BASIC Equipment & Physics Respiratory & Critical Care General

Intractable pain due to unresectable pancreatic carcinoma is most effectively treated with

(A) bilateral neurolytic intercostal blocks at T10-12
(B) bilateral sympathetic blocks with phenol
(C) celiac plexus block with alcohol
(D) epidural block with phenol
(E) subarachnoid block with alcohol

ADVANCED Regional & Pain

The acute onset of hypotension without a decrease in mixed venous oxygen saturation is most likely associated with the onset of

(A) hemorrhage
(B) myocardial infarction
(C) pulmonary edema
(D) pulmonary embolus
(E) sepsis

ADVANCED Respiratory & Critical Care General

A 28-year-old patient has severe laryngospasm after extubation of the trachea following general anesthesia. Administration of 100% oxygen using continuous positive airway pressure does not improve symptoms. SpO2 is 75%. Which of the following is the most appropriate immediate management?

(A) Laryngeal mask airway
(B) Lidocaine
(C) Racemic epinephrine
(D) Succinylcholine
(E) Cricothyroidotomy

BASIC General

A moderately obese 38-year-old woman is using patient-controlled morphine analgesia one day after open cholecystectomy. While breathing room air, oxygen saturation is 85%, Pa02 is 48 mmHg, PaC02 is 42 mmHg, and pH is 7.36. In addition to administration of oxygen, the most effective management is to

(A) decrease the dosage of opioids
(B) change to epidural morphine
(C) administer an inhaled bronchodilator
(D) initiate 4 cm of nasal continuous positive airway pressure
(E) initiate incentive spirometry therapy

In the absence of coronary artery disease, isoflurane-induced vasodilation and tachycardia are beneficial hemodynamic goals for which of the following cardiac diseases?

(A) Aortic regurgitation
(B) Aortic stenosis
(C) Asymmetric septal hypertrophy (IHSS)
(D) Mitral stenosis
(E) Pulmonary regurgitation

ADVANCED General Cardiac

A previously healthy 28-year-old man is admitted to the emergency department with a probable opioid overdose. Arterial blood gas values are: PaO2 49 mmHg, PaCO2 76 mmHg, and pH 7.12 while breathing room air. Which of the following statements is true?

(A) Aspiration of gastric contents must have occurred
(B) Hypoventilation alone can explain the acidosis and hypoxemia
(C) The hypoxemia is probably due to noncardiogenic pulmonary edema
(D) Naloxone should be administered only if the patient is normothermic
(E) Pure oxygen is contraindicated

BASIC Respiratory & Critical Care

Systemic hypothermia to 30°C is accompanied by

(A) a shift to the right of the oxyhemoglobin dissociation curve
(B) a decrease in carbon dioxide dissolved in plasma
(C) a decrease in the glomerular filtration rate
(D) an increase in MAC of volatile inhalation agents
(E) low-voltage, high-frequency EEG pattern