Anesthesia Hub -

10 Random Questions

Alveolar stability at varying lung volumes is maintained by

(A) constant surface tension
(B) increased surface tension at low lung volume
(C) decreased surface tension at high lung volume
(D) decreased surface tension at low lung volume
(E) none of the above

Which of the following is a manifestation of preeclampsia?

(A) Hypovolemia
(B) Increased colloid osmotic pressure
(C) Natriuresis
(D) Resistance to catecholamines
(E) Thrombocytosis

ADVANCED OB

Which of the following drugs exerts a vasoconstrictor effect by blocking the reuptake of norepinephrine at the neuronal synapse?

(A) Cocaine
(B) Dopamine
(C) Ephedrine
(D) Metaraminol
(E) Phenylephrine

ADVANCED Pharmacology & Pharmacokinetics

Uterine blood flow is

(A) autoregulated in normal unanesthetized parturients
(B) decreased by the addition of epinephrine 1:200,000 to lidocaine administered epidurally
(C) decreased by intravenous infusion of ritodrine in unanesthetized parturients
(D) increased by administration of magnesium sulfate to patients with preeclampsia
(E) unchanged after paracervical injection of lidocaine without epinephrine

ADVANCED OB

Which of the following is a sign of cyclosporine toxicity?

(A) Abnormal hepatic enzyme activity
(B) Decreased hemoglobin concentration
(C) Increased serum creatinine concentration
(D) Nodular density on radiograph of the chest
(E) ST-T wave changes on ECG

BASIC Pharmacology & Pharmacokinetics

During an inguinal hernia repair, a newborn infant will have a larger fluid requirement (in milliliters per kilogram) than an adult because of relatively greater

(A) insensible water loss
(B) lean body mass
(C) metabolic rate
(D) sodium loss
(E) third space losses

ADVANCED Pediatric

Inhibition of labor by terbutaline causes each of the following maternal side effects EXCEPT

(A) hyperkalemia
(B) hypotension
(C) ventricular dysrhythmias
(D) hyperglycemia
(E) pulmonary edema

ADVANCED Pharmacology & Pharmacokinetics OB

Undesirable muscarinic effects of anticholinesterase agents used for antagonism of muscle relaxants include each of the following EXCEPT

(A) increased secretions
(B) bradycardia
(C) increased gastrointestinal motility
(D) increased urinary sphincter tone
(E) bronchoconstriction

A newborn is in respiratory distress. Examination shows a scaphoid abdomen, cyanosis while breathing oxygen by mask, and heart sounds in the right hemithorax. Which of the following is the most appropriate next step?

(A) Assisted ventilation with a bag and face mask
(B) Insertion of a chest tube on the left side
(C) Insertion of a nasogastric tube
(D) Tracheal intubation and assisted ventilation
(E) Tracheal intubation and expansion of the left lung

ADVANCED Pediatric

After inflation of both the tracheal and endobronchial cuffs of a left-sided double-lumen tube, the following are noted on auscultation of the chest: Left lumen clamped --> Breath sounds absent bilaterally; Right lumen clamped --> Breath sounds present on left only; Both lumens open --> Breath sounds present on left only. The most appropriate action is to

(A) decrease the endobronchial cuff volume
(B) decrease the tracheal cuff volume
(C) reinsert the tube, rotating it 180 degrees to the right
(D) suction both lumens
(E) withdraw the tube slightly and repeat the auscultory maneuvers

BASIC Equipment & Physics