Anesthesia Hub -

10 Random Questions

Four and one-half hours after initiation of general anesthesia for a radical hysterectomy, a 65-kg patient has a heart rate of 90 bpm, blood pressure of 100/70 mmHg, pulmonary artery occlusion pressure of 9 mmHg, and cardiac output of 2.8 L/min. Urine output has been 20 ml over the last two hours. The most appropriate next step is

(A) administration of furosemide
(B) administration of indigo carmine
(C) administration of mannitol
(D) bolus infusion of normal saline solution
(E) infusion of dopamine in renal dose

Intrathecally administered opioids exert their analgesic effects primarily in the

(A) brain stem
(B) fourth ventricle
(C) spinal nerve roots
(D) spinothalamic tracts
(E) substantia gelatinosa

BASIC Pharmacology & Pharmacokinetics

Which of the following is the most common infection transmitted through transfusion of blood products?

(A) Epstein-Barr virus
(B) Hepatitis B
(C) Hepatitis C
(D) Human immunodeficiency virus
(E) Toxoplasmosis

As part of a preoperative evaluation, a patient had a thallium scan showing a "cold spot" over the left ventricle that occurs with moderate exercise and disappears at rest. This most likely indicates

(A) moderate-sized aneurysm of the left ventricle
(B) acute myocardial ischemia
(C) recent myocardial infarction
(D) old myocardial infarction
(E) Prinzmetal's variant angina

BASIC Cardiac

Static lung compliance is decreased by each of the following EXCEPT

(A) pulmonary emphysema
(B) congestive heart failure
(C) adult respiratory distress syndrome
(D) pulmonary fibrosis
(E) inhalation anesthesia

Each of the following findings is characteristic of restrictive lung disease EXCEPT

(A) decreased elasticity of the lungs
(B) decreased FEV1/FVC ratio
(C) decreased inspiratory reserve volume
(D) increased work of breathing
(E) normal anatomic dead space

BASIC Respiratory & Critical Care

Which of the following is the most appropriate drug to treat hypotension in patients with asymmetric septal hypertrophy (IHSS)?

(A) Amrinone
(B) Calcium chloride
(C) Dopamine
(D) Ephedrine
(E) Phenylephrine

ADVANCED Cardiac

Hypothermia to 29°C will decrease

(A) hematocrit
(B) plasma fibrinogen concentration
(C) plasma pH
(D) plasma protein concentration
(E) platelet function

BASIC General

A 22-year-old woman at 33 weeks' gestation has abdominal pain and vaginal bleeding after sustaining blunt trauma to the abdomen. Heart rate is 125 bpm, blood pressure is 98/65 mmHg, and respiratory rate is 20/min. Fetal heart rate is 100 bpm. Which of the following is the most appropriate management?

(A) Conservative observation and monitoring if fetal immaturity is seen on ultrasound
(B) Increasing maternal blood pressure with a vasopressor
(C) Infusion of terbutaline
(D) Lumbar epidural anesthesia
(E) Urgent cesarean delivery

Which of the following statements concerning the cerebral effects of barbiturates is true?

(A) Barbiturate coma produces greater cerebral protection than hypothermia to 17 C
(B) Barbiturate-induced reduction in cerebral blood flow is greater at normocarbia than at hypocarbia
(C) Barbiturates decrease the cerebral metabolic rate for oxygen by decreasing cerebral blood flow
(D) Somatosensory evoked potentials and the EEG are equally sensitive to suppression by barbiturates
(E) When administered in doses sufficient to produce an isoelectric EEG, barbiturates decrease the cerebral metabolic rate for oxygen by 50%