A nurse is caring for a farmer who was bitten by a rattlesnake while working in his field. He killed the snake and brought it to the ED for positive identification. The triage nurse notes two puncture marks on his right hand. The proper interventions for this patient may include all of the following EXCEPT:
a. Tetanus vaccination
b. Antivenom administration
c. Positioning the patient's hand above the heart
d. Cleansing of the bite