This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Coagulase-negative staphylococci includes all of the following except 
Select and explain. 
A. Staph epidermidis, B. Staph haemolyticus, C. Staph intermedius, D. Staph saprophyticus
C: Staph intermedius
Answer: C: Staph intermedius 
Explanation: Besides staphylococcus aureus, a few other coagulase positive species are Staphylococcus intermedius and Staphylococcus hyicus. These are animal parasites and do not infect humans. Coagulase-negative staphylococci are Staphylococcus epidermidis, staphylococcus hemolyticus, and Staphylococcus saprophyticus. They are the major component of the normal component of the normal flora of human body. Staphylococcus epidermidis is a common cause of stitch abscess. Staphylococcus saprophyticus can cause urinary tract infection in sexually active young women. Ref: Textbook of Microbiology; Ananthanarayanan and Panicker; 10th Edition; Page No: 208