You are treating a patient suffering from severe anaphylaxis. Which of the following dosages of epinephrine would you be likely to administer?
a. Epinephrine 1:1000, 0.3–0.5 mg IM
b. Epinephrine 1:1000, 0.3–0.5 mg IV
c. Epinephrine 1:10,000, 0.3–0.5 mg IV
d. Epinephrine 1:10,000, 0.05–0.1 mg IV
d
Rationale: In cases of severe anaphylaxis, the dosage of epinephrine 1:10,000 should be 0.05–0.1 mg intravenously. This is 5–10% of the normal dosage used in cardiac arrest. It may need to be administered every 3–5 minutes due to the half-life.
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The heart sound produced by the closing of the aortic and pulmonary valves is:
A) S4. B) S2. C) S3. D) S1.
Regarding a generalized tonic-clonic (grand mal) seizure, which statement is true regarding the different stages?
A) The aura comes before a loss of consciousness. B) The patient is postictal prior to convulsion activity. C) A loss of consciousness occurs after the clonic (convulsion) phase. D) The patient becomes postictal just before the hypertonic phase.