10 Random Questions


The graphs shown illustrate various respiratory patterns in a patient who is breathing spontaneously with continuous positive airway pressure. Which of the following patterns is associated with the LEAST work of breathing?

BASIC Respiratory & Critical Care

In a patient with adult respiratory distress syndrome who is being mechanically ventilated, which of the following findings indicates the most severe disease?


In a patient with 20% pulmonary shunt and a PaO2 of 60 mmHg, cardiac output suddenly decreases from 5 L/min to 3 L/min. Oxygen consumption is unchanged. As a result, the PaO2 will

BASIC Respiratory & Critical Care

During attempted awake intubation, the patient gags when the laryngoscope presses on the base of the tongue. Which of the following cranial nerves is responsible for the afferent limb of this reflex?

BASIC Regional & Pain

Two hours after sustaining extensive burns of the head, neck and chest in a house fire, a patient has stridor and difficulty breathing. The most appropriate management is

ADVANCED General

When evaluating a screening test, which of the following is the most appropriate term for the proportion of patients with a disease who have a positive test result?

BASIC General

The severity of chronic bronchitis is best assessed by measuring


During laparotomy for a ruptured spleen, unexplained oozing occurs after infusion of 2 liters of crystalloid and 3 units of blood. The most likely cause is

BASIC Transfusions & Fluids

Prolonged respiratory depression following administration of morphine is more likely in patients with chronic renal faillure than in patients with normal kidney function because of

BASIC Pharmacology & Pharmacokinetics

Mepivacaine 40 ml of a 1% solution with epinephrine 1:200,000 is injected into the brachial plexus sheath at the axilla after eliciting a paresthesia in the ulnar nerve distribution. Which of the following is most likely to remain intact?

ADVANCED Regional & Pain