A nerve block usually takes effect in about ________ minutes
a. 1 to 2
b. 3 to 4
c. 4 to 5
d. 8 to 10
c
RATIONALE: A nerve block usually takes effect in about 4 to 5 minutes.
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You have just given your patient a 0.03 mg/ml dose of methacholine to assess for asthma. The subsequent forced vital capacity (FVC) shows no change. What should you do next?
a. Report to the physician that the patient does not have asthma. b. Wait 1 hr and repeat the test at the same dose. c. Have the patient return tomorrow to re-peat the test. d. Double the dose and repeat the FVC ma-neuver.
In both the helium dilution test and nitrogen washout functional residual capacity (FRC) deter-minations, at what point should the patient normally be connected to the system to begin the test?
a. Resting expiration b. Full forced inspiration c. Resting inspiration d. Full forced expiration