10 Random Questions
During apneic oxygenation (FiO2 1.0) through a rigid bronchoscope
- (A) duration of the procedure is limited by the increase in PaCO2
- (B) functional residual capacity decreases 5%/min
- (C) PaO2 remains unchanged for the first 5 minutes
- (D) PaCO2 increases 2 to 6 mmHg/min for 15 minutes and then reaches a plateau
- (E) PaO2 and PaCO2 equilibrate with mixed venous gases at the same rate
A 50-year-old woman notes loss of sensation in the medial lower leg 24 hours after vaginal hysterectomy in the lithotomy position. Which of the following nerves is most likely to be injured?
- (A) Lateral femoral cutaneous
- (B) Obturator
- (C) Peroneal
- (D) Saphenous
- (E) Tibial
In a patient with a history of grand mal seizures, which of the following is most useful in distinguishing a seizure from normal anesthetic emergence?
- (A) Mydriasis
- (B) Myoclonic activity
- (C) Nystagmus
- (D) Positive Babinski sign
- (E) None of the above
A patient is placed in the prone jackknife position for lumbar subarachnoid injection of tetracaine 10 mg in 10 ml of preservative-free sterile water. Which of the following results is most likely?
- (A) Respiratory insufficiency
- (B) Sensory and motor block at T4-S1
- (C) Sensory and motor block at L1-S5
- (D) Sensory loss without motor block at L1-S5
- (E) Sensory and motor block at S3-S5
In clinical anesthesia practice, the term "informed consent" is best described as a legal concept in which patients
- (A) agree to anesthesia care based on full disclosure of facts needed to make the decision intelligently
- (B) are told of all possible risks of anesthesia and anesthetic procedures
- (C) delegate all decisions regarding anesthesia care to the anesthesiologist
- (D) release the physicians from liability
- (E) sign global consent forms for surgical procedures that cover the administration of anesthesia care
A 45-year-old man is scheduled for exploratory laparotomy. Six months ago, he received doxorubicin (Adriamycin) therapy for testicular cancer. This patient is at increased risk for
- (A) abnormal liver function
- (B) bone marrow depression
- (C) heart failure
- (D) chronic renal failure
- (E) pulmonary fibrosis
In this diagram of a circle system, an increase in dead space is most likely to result from placement of the pressure relief valve at location
- (A) 1
- (B) 2
- (C) 3
- (D) 4
- (E) 5
During use of the ventilator on an anesthesia machine, positive pressure is noted on the airway pressure gauge during exhalation. Positive end-expiratory pressure has not been purposefully added to the breathing circuit. Which of the following is the most likely cause?
- (A) Closure of the pop-off valve in the circle system
- (B) Excessive tidal volume settings on the ventilator
- (C) Obstruction of the pressure relief valve on the scavenging system
- (D) Overinflation of the endotracheal tube balloon
- (E) Tension pneumothorax
Inhibition of labor by terbutaline causes each of the following maternal side effects EXCEPT
- (A) hyperkalemia
- (B) hypotension
- (C) ventricular dysrhythmias
- (D) hyperglycemia
- (E) pulmonary edema
If both recurrent laryngeal nerves were severed during a difficult thyroidectomy for cancer, the most likely finding would be
- {A) paralysis of the cricothyroid muscles
- (B) cadaveric positioning of the true vocal cords
- (C) anesthesia of both sides of the epiglottis
- (D) bilateral pure adductor vocal cord paralysis
- (E) stridor