Anesthesia Hub -

10 Random Questions

A 32-year-old man with acute aortic regurgitation is scheduled to undergo emergency aortic valve replacement. Heart rate is 110 bpm, blood pressure is 90/35 mmHg, and pulmonary artery occlusion pressure is 14 mmHg. Cardiac index is 2.2 L/min/m2. Which of the following is the most appropriate management?

(A) Administration of esmolol
(B) Administration of a fluid bolus before induction
(C) Infusion of dobutamine
(D) Infusion of phenylephrine
(E) Induction of anesthesia

If administered epidurally in equipotent doses, which of the following opioids will produce analgesia over the greatest number of dermatomes?

(A) Fentanyl
(B) Hydromorphone
(C) Meperidine
(D) Morphine
(E) Sufentanil

After the first 70 minutes of a transurethral resection of the prostate, a 70-year-old man becomes confused and has tachycardia, hypertension, and shortness of breath. Serum sodium concentration is 116 mEq/L. After informing the surgeon that the procedure should be terminated as soon as possible, the most appropriate next step would be to

(A) administer furosemide
(B) administer labetalol
(C) administer 3% sodium chloride
(D) change the irrigating solution to normal saline
(E) induce general endotracheal anesthesia

ADVANCED General

A celiac plexus block provides effective relief of pain associated with primary cancers at each of the following locations EXCEPT the

(A) adrenal gland
(B) liver
(C) pancreas
(D) sigmoid colon
(E) stomach

ADVANCED Regional & Pain

Which of the following statements about pulmonary function testing is true?

(A) Forced expiratory volume in one second (FEV1) is directly related to maximum voluntary ventilation
(B) FEV, is the most reliable indicator of small airways resistance
(C) Forced vital capacity is markedly decreased in obstructive lung disease with air-trapping
(D) Maximum mid-expiratory flow is less effort dependent than FEV1
(E) Three-second forced expiratory volume is the amount of air exhaled during the third second of exhalation

ADVANCED Respiratory & Critical Care

A 54-year-old man is scheduled for open reduction of a fracture sustained when he jumped from a burning building. The carboxyhemoglobin concentration is 25%. Which of the following is the most reliable indicator of adequate oxygenation during general anesthesia?

(A) PaO2 of 300 mmHg
(B) pH of 7.38 with a PaCO2 of 41 mmHg
(C) Mixed venous PO2 of 45 mmHg
(D) Oxyhemoglobin saturation of 100% measured by co-oximeter
(E) SpO2 of 100% measured by pulse oximeter

BASIC Respiratory & Critical Care

Which of the following characteristics of local anesthetics is associated with long duration of action?

(A) High degree of lipid solubility
(B) High degree of protein binding
(C) High molecular weight
(D) High pKa
(E) Presence of ester linkage

BASIC Pharmacology & Pharmacokinetics

Bupivacaine 30 ml injected into the inguinal perivascular space will usually block the

(A) femoral, lateral femoral cutaneous, and obturator nerves
(B) ilioinguinal, femoral, and sciatic nerves
(C) femoral, sciatic, and obturator nerves
(D) ilioinguinal, iliohypogastric, and pudendal nerves
(E) sciatic, femoral, and posterior femoral cutaneous nerves

ADVANCED Regional & Pain

A patient is scheduled for right pneumonectomy. A left-sided double-lumen endobronchial tube is inserted. After the endobronchial side is clamped and both cuffs are inflated, breath sounds are heard only on the left. Which of the following is the most likely cause?

(A) Herniation of the endobronchial cuff over the carina
(B) Occlusion of the right upper lobe bronchus
(C) Placement of the endobronchial lumen in the left mainstem bronchus
(D) Placement of the endobronchial lumen in the right mainstem bronchus
(E) Placement of the endobronchial lumen in the trachea

ADVANCED General Respiratory & Critical Care

Five minutes after a stellate ganglion block is performed, a patient becomes restless, then apneic. The most likely cause is

(A) paratracheal hematoma
(B) phrenic nerve block
(C) recurrent laryngeal nerve block
(D) subarachnoid injection
(E) vertebral artery injection

ADVANCED Regional & Pain