10 Random Questions
Which property of oxygen is detected by the fail-safe device on the anesthesia machine?
- (A) Concentration
- (B) Flow
- (C) Pressure
- (D) Partial pressure
- (E) Reserve volume
A 48-year-old woman with von Willebrand's disease is scheduled for a hysterectomy. The most appropriate initial preoperative therapy to decrease bleeding is administration of
- (A) cryoprecipitate
- (B) desmopressin (DDAVP)
- (C) fresh frozen plasma
- (D) platelets
- (E) vitamin K
Early deceleration of fetal heart rate
- (A) correlates with high concentrations of local anesthetic in maternal blood
- (B) frequently occurs with fetal scalp pH greater than 7.25
- (C) indicates need for immediate cesarean delivery
- (D) indicates subclinical uteroplacental insufficiency
- (E) predicts low Apgar scores at delivery
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
Which of the following statements about pulmonary function testing is true?
- (A) Forced expiratory volume in one second (FEV1) is directly related to maximum voluntary ventilation
- (B) FEV, is the most reliable indicator of small airways resistance
- (C) Forced vital capacity is markedly decreased in obstructive lung disease with air-trapping
- (D) Maximum mid-expiratory flow is less effort dependent than FEV1
- (E) Three-second forced expiratory volume is the amount of air exhaled during the third second of exhalation
A 45-year-old man is scheduled for appendectomy under general anesthesia. He reports that for many years he has occasionally felt his heart "skip a beat." The ECG tracing shown was obtained one hour ago. Which of the following is the most appropriate next step?
- (A) Proceeding with induction of anesthesia
- (B) Administration of a loading dose of digoxin
- (C) Carotid sinus massage
- (D) Intravenous administration of atropine
- (E) Placement of a temporary pacemaker
Each of the following values is associated with acute tubular necrosis EXCEPT
- (A) urine osmolality of 200 mOsm/L
- (B) urine sodium concentration of 15 mEq/L
- (C) urine specific gravity of 1.009
- (D) urine/serum osmolality ratio of 1.2
- (E) fractional excretion of sodium of 4%
A 65-year-old woman has respiratory distress and loss of consciousness immediately following superficial and deep cervical plexus block for right carotid endarterectomy. Which of the following is the most likely cause?
- (A) Phrenic nerve paralysis
- (B) Pneumothorax
- (C) Recurrent laryngeal nerve block
- (D) Subarachnoid injection
- (E) Vertebral artery injection
A celiac plexus block provides effective relief of pain associated with primary cancers at each of the following locations EXCEPT the
- (A) adrenal gland
- (B) liver
- (C) pancreas
- (D) sigmoid colon
- (E) stomach
A successful celiac plexus block can be expected to
- (A) block parasympathetic fibers to the adrenal medulla
- (B) block sympathetic fibers to the sigmoid colon
- (C) block somatic fibers to the pancreas
- (D) enhance peristalsis
- (E) inhibit ejaculation