Separate Venipunctures Were Performed to Collect Three Sets of Blood

Separate venipunctures were performed to collect three sets of blood cultures from a patient with an artificial heart valve. The first and third sets grew a gram-positive pleomorphic rod in 1 of 2 bottles while the second set had no growth in either bottle. What is the most likely explanation for these findings?

A) The patient probably has an infection with Clostridium spp.
B) The blood cultures were contaminated with skin biota.
C) The blood cultures were probably contaminated in the laboratory.
D) The patient probably has an infection with Bacillus spp.

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free