Anesthesia Hub -

10 Random Questions

Which of the following is most likely to decrease in the affected area following a paravertebral lumbar sympathetic block?

(A) Cutaneous blood flow
(B) Pinprick sensation
(C) Sweating
(D) Temperature sensation
(E) Venous capacitance

Which of the following statements concerning the management of diabetes mellitus during pregnancy is true?

(A) Insulin requirements remain essentially unchanged during pregnancy
(B) Maternal blood glucose concentration of 200 mg/dL is optimal
(C) Maternal hyperglycemia may cause neonatal acidosis
(D) Neonatal hyperglycemia is common
(E) Infants delivered under general anesthesia have lower Apgar scores than those delivered under spinal anesthesia

ADVANCED OB

During an operation with cardiopulmonary bypass using a bubble oxygenator, the risk for systemic gas embolization increases when

(A) a filter greater than 20 microns is used in the arterial infusion tubing
(B) gas flow to the oxygenator is decreased below 3 L/min
(C) the operation is a mitral valve replacement
(D) the blood level in the oxygenator reservoir exceeds 1 liter
(E) ventricular fibrillation occurs

A newly developed inhalational anesthetic has a blood-gas partition coefficient of 0.2. Which of the following statements best describes this drug compared with isoflurane?

(A) MAC is lower
(B) The difference between Fa and Fl during maintenance of anesthesia is greater
(C) Time to emergence is shorter
(D) Rapid induction requires greater overpressure
(E) Equilibrium in a circle system with the same flow of fresh gas is slower

BASIC Pharmacology & Pharmacokinetics

Each of the following is a physiologic effect of intra-aortic balloon pump therapy EXCEPT

(A) decreased peak systolic pressure
(B) increased cardiac output
(C) increased coronary perfusion
(D) increased diastolic pressure
(E) increased total peripheral resistance

BASIC Respiratory & Critical Care Cardiac

A 60-kg 25-year-old woman is undergoing laparoscopy in the Trendelenburg position during general anesthesia. Five minutes after peritoneal inflation, the peak airway pressure required to deliver a tidal volume of 800 ml increases from 25 cmH2O to 60 cmH2O. SpO2 decreases from 100% to 80% and systolic blood pressure increases from 110 mmHg to 140 mmHg. Which of the following is the most likely cause?

(A) Acute tension pneumothorax
(B) Excessively steep Trendelenburg position
(C) Excessive ventilator tidal volume setting
(D) Kink in the endotracheal tube
(E) Massive carbon dioxide embolism

BASIC Respiratory & Critical Care

A sedative/hypnotic drug is administered prior to electroconvulsive therapy to do which of the following?

(A) Potentiate the effect of succinylcholine
(B) Provide amnesia for the electrical stimulus
(C) Decrease the current required to produce a grand mal seizure
(D) Increase seizure duration
(E) Control postictal sympathetic response

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

Which of the following nerves is most likely to be injured by a fracture of the shaft of the humerus?

(A) Axillary
(B) Median
(C) Musculocutaneous
(D) Radial
(E) Ulnar

ADVANCED Regional & Pain

Which of the following findings is an early indication of cyanide toxicity?

(A) Bronchospasm
(B) Cardiac dysrhythmias
(C) Decreased mixed venous P02
(D) Increased intracranial pressure
(E) Metabolic acidosis