Anesthesia Hub -

10 Random Questions

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 relationships among alveolar pressure, volume, and surface tension is true?

(A) Surface tension of surfactant decreases as alveolar volume decreases
(B) Surface tensions of water and of surfactant behave similarly as volume decreases
(C) Changes in alveolar surface tension with volume are the same during expansion as during contraction
(D) Pressure in the alveolus is inversely related to surface tension
(E) Pressure in the alveolus is directly related to alveolar radius

BASIC Respiratory & Critical Care

Preoperative evaluation of a patient who has marked malnutrition will demonstrate each of the following EXCEPT

(A) decreased respiratory muscle function
(B) decreased serum albumin concentration
(C) decreased metabolic rate
(D) suppressed immune function
(E) decreased extracellular fluid volume

ADVANCED 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

The most sensitive means of detecting venous air embolism is

(A) precordial Doppler stethoscope
(B) transesophageal echocardiography
(C) end-tidal carbon dioxide measurement
(D) pulmonary artery pressure measurement
(E) central venous pressure measurement

ADVANCED Equipment & Physics Neuro

Which of the following statements concerning postherpetic neuralgia is true?

(A) It is effectively treated with neurolytic surgery
(B) It is effectively treated with sympathetic nerve blocks
(C) Duration is three to four weeks
(D) Hyperesthesia occurs in the affected area
(E) It occurs predominantly in adolescents

ADVANCED Regional & Pain

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

BASIC Respiratory & Critical Care

The most beneficial effect of continuous positive airway pressure in a newborn with respiratory distress syndrome is

(A) increased functional residual capacity
(B) decreased airway resistance
(C) promotion of surfactant formation
(D) increased alveolar PO2
(E) maintenance of functional closure of the foramen ovale

ADVANCED Pediatric

Following delivery with pudendal block, a patient requires anesthesia for removal of a retained placenta. The most appropriate anesthetic is

(A) epidural block
(B) ketamine analgesia with midazolam for amnesia
(C) opioid-based general endotracheal anesthetic
(D) potent inhaled general endotracheal anesthetic
(E) subarachnoid block

ADVANCED OB

Which of the following statements concerning a patient who has been receiving nitroprusside for several days is true?

(A) Biotransformation of cyanide requires a sulfur donor
(B) Formation of methemoglobin increases cyanide toxicity
(C) Increased serum thiocyanate concentrations are innocuous
(D) Mixed venous P02 decreases as cyanide toxicity develops
(E) Serum thiocyanate concentrations reflect the degree of cyanide toxicity

BASIC Pharmacology & Pharmacokinetics