Which test would the nurse be prepared to administer upon physician order for a patient suspected…

➤ When is the best time to collect blood for a Monospot test after symptom onset?
Collect Monospot blood after symptoms have been present for at least one week, typically between day 7 and day 14. Heterophile antibodies usually appear after the first few days, so testing too early increases false negatives. Use a venous sample per lab protocol and record the date of symptom onset with the specimen.