Anesthesia Hub -

10 Random Questions

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

Assignment of a patient to an ASA physical status category is used to

(A) facilitate comparisons among different patient groups and institutions
(B) guide the choice of anesthetic technique
(C) permit accurate determination of charges for professional services
(D) predict anesthetic risk
(E) predict perioperative mortality

BASIC General

The most important factor regulating blood flow to ischemic cerebral tissue is

(A) systolic blood pressure
(B) PaO2
(C) cerebral perfusion pressure
(D) PaCO2
(E) cerebral oxygen consumption

BASIC Neuro

Each of the following conditions causes resistance to nondepolarizing neuromuscular blockade EXCEPT

(A) chronic severe infections
(B) major burns
(C) myotonia congenita
(D) prolonged immobilization
(E) upper motor neuron injury

BASIC Pharmacology & Pharmacokinetics

Fentanyl-induced bradycardia is

(A) independent of the speed of injection
(B) independent of dose
(C) caused by direct inhibition of adrenal catecholamine release
(D) caused by vagal stimulation
(E) caused by direct SA node depression

BASIC Pharmacology & Pharmacokinetics

A patient has decreased lung compliance and hypoxemia after a 30-minute episode of laryngospasm following extubation. The most likely cause is

(A) allergic reaction to the anesthetic
(B) altered alveolar-capillary membrane permeability
(C) anesthetic-induced lymphatic dysfunction
(D) increased pulmonary capillary pressure
(E) negative pulmonary interstitial hydrostatic pressure

BASIC Respiratory & Critical Care General

A 70-year-old man has a pacemaker set at VOO mode at 70 bpm with temporary atrial and ventricular wires placed prior to separation from cardiopulmonary bypass. Fifteen minutes after separation, he develops atrial fibrillation with a ventricular response of 80 to 100 bpm. Which of the following ECG findings is most likely?

(A) Irregular atrial and ventricular complexes with loss of pacer artifacts
(B) Irregular ventricular complexes with preserved ventricular pacer artifacts at 70 bpm
(C) Occasional pacer artifacts when intrinsic ventricular rate is slower than 70 bpm
(D) Regular ventricular complexes at 70 bpm
(E) Ventricular complexes with preserved atrial and ventricular pacer artifacts at 70 bpm

Which of the following should be included in the preoperative management of a 12-year-old patient with Duchenne's muscular dystrophy who is unable to ambulate?

(A) Determination of serum creatine kinase concentration
(B) Determination of serum potassium concentration
(C) Liver function profile
(D) Echocardiography
(E) Dantrolene prophylaxis

ADVANCED Pediatric

During controlled ventilation, which of the following will cause an increase in end-tidal carbon dioxide tension with a normal waveform on the capnograph?

(A) Bronchospasm
(B) Rapid blood loss
(C) Ventricular fibrillation
(D) Endobronchial migration of the endotracheal tube
(E) Release of a thigh tourniquet

BASIC General

Which of the following statements concerning the use of epidural opioids during labor is true?

(A) Fentanyl decreases the concentration of epidural bupivacaine required for satisfactory analgesia
(B) Fentanyl is an effective analgesic for the second stage of labor
(C) Sufentanil is an unsatisfactory analgesic for labor
(D) The addition of epinephrine to morphine prolongs the duration of analgesia
(E) The duration of analgesia with fentanyl is six to ten hours

ADVANCED OB Regional & Pain