10 Random Questions
Compared with a semiclosed circle system, a closed system
- (A) decreases the risk for anesthetic overdose
- (B) decreases the risk for rebreathing carbon dioxide
- (C) has lower resistance to gas flow
- (D) permits calculation of oxygen consumption
- (E) permits more rapid changes in anesthetic depth
Reveal answer
Which of the following statements concerning the volume of distribution of a drug is true?
- (A) It is equal to the sum of the volumes of the tissue spaces into which it diffuses
- (B) It is equal to the volume to which it is distributed outside the plasma volume
- (C) It is unaltered by the amount bound to red blood cells and plasma proteins
- (D) It depends on elimination from plasma
- (E) It relates the total amount of the drug in the body to the plasma concentration
Reveal answer
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
Reveal answer
A 68-year-old man with severe depression is scheduled for electroconvulsive therapy. He had a myocardial infarction two years ago and continues to have angina on exertion. Pretreatment with which of the following drugs is most likely to maintain stability during the procedure?
- (A) Esmolol
- (B) Fentanyl
- (C) Hydralazine
- (D) Lidocaine
- (E) Midazolam
Reveal answer
Which of the following statements regarding latex allergy is true?
- (A) Diphenhydramine is the treatment of choice for latex-induced anaphylactic reaction
- (B) Hospital workers are at equal risk as the general population
- (C) It is more common in patients with frequent urethral catheterizations
- (D) Latex gloves can be rinsed free of antigens
- (E) Skin testing should be performed immediately after an acute reaction in the operating room
Reveal answer
A complication of terbutaline therapy to terminate premature labor is
- (A) bronchoconstriction
- (B) hypoglycemia
- (C) fetal bradycardia
- (D) closure of the fetal ductus arteriosus
- (E) pulmonary edema
Reveal answer
In the event of a leak in the air flowmeter, which flowmeter arrangement produces the lowest risk of delivering hypoxic gas mixtures?
- (A) Air, O2, N2O
- (B) N2O, O2, Air
- (C) N2O, Air, O2
- (D) O2, Air, N2O
- (E) O2, N2O, Air
Reveal answer
The recommended agent for decontamination of anesthetic equipment splattered with blood containing HIV is
- (A) household bleach
- (B) hydrogen peroxide
- (C) iodine solution
- (D) isopropyl alcohol
- (E) Lysol solution
Reveal answer
A 64-year-old man is scheduled to have an elective right colon resection under nitrous oxide, oxygen, enflurane anesthesia. Following a myocardial infarction two years ago, a programmable VVI pacemaker was inserted for complete heart block. A pre induction rhythm strip is shown. Based on this EKG finding, the most appropriate action is to
- (A) proceed with induction of anesthesia
- (B) convert the pacemaker to the fixed rate mode
- (C) reprogram the pacemaker to increase R-wave sensitivity
- (D) increase the pacemaker current outpu
- (E) insert a temporary atrioventricular sequential pacemaker
Reveal answer
During direct intra-arterial measurement of blood pressure
- (A) the mean arterial pressure will be unaffected by small air bubbles in the system
- (B) an underdamped system will overestimate the mean arterial pressure
- (C) an underdamped system will overestimate the diastolic pressure
- (D) long tubing from the catheter to the transducer will tend to decrease resonance in the system
- (E) calibration of the transducer by opening a stopcock to air at the sternal angle will overestimate the mean
Reveal answer