MMSC 428 FINAL EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026

MMSC 428 FINAL EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026 Emerging infectious diseases (EIDs) - Answers new diseases and diseases increasing in incidence factors in emergence of infectious disease - Answers 1. ecologic 2. global warming 3. human demographics 4. international shipping and travel 5. deficiencies in public health 6. adaptability of a microorganism hospital acquired infection - Answers nosocomial infection, latrogenic high risk factors for HAI's - Answers immunocompromised in ICU pts with severe burns invasive surgery common causative agents for HAI's - Answers Pseudomonas, Acinetobacter, E.coli, K. pneumonaie, C. diff Which Streptococcus species shows alpha hemolysis? - Answers S. pneumonaie all beta hemolytic strep belongs to a ____ group. - Answers lancefeild What is the most pathogenic from the Streptococcus genus? - Answers S. pyogenes What culture media does S.pyogenes grow best in? - Answers SBA What is the best choice of treatment for S.pyogenes? - Answers penicillin if allergic give erythromycin or azithromycin what does CAMP stand for? - Answers Christie, Atkins, Munch-Peterson detection of S. agalactiae? - Answers ag detection hippurate hydrolysis test All pregnant women should routinely be screened for which organism between 36-37 weeks of gestation? - Answers S. agalactiae All of the following are risk factors for hospital-acquired infections, except: - Answers eating hospital food Which of the following is an important service provided by clinical microbiology laboratories: - Answers antimicrobial susceptibility testing Which antibiotic would be suitable to treat pharyngitis caused by Group A Strep in penicillin-allergic patients? - Answers azithromycin S. pneumonaie - Answers alpha hemolytic apart of normal respiratory flora capsule- 90 serotypes pneumolysin What are some clinical manifestations associated with S. pneumonaie? - Answers pneumonia otitis media w/ effusion acute endocarditis bacteremia meningitis What culture medias work well with S. pneumonaie? - Answers SBA optochin sensitive P disk True or False: Emerging infectious diseases are frequently zoonotic. - Answers true Which one of the following is not an infection caused by Streptococcus pneumoniae? - Answers UTI You open your blood agar plate and find a non-hemolytic, yellow-pigmented, Gram-positive coccus growing. What test should be performed next for identification? - Answers modified oxidase Acute glomerulonephritis is a serious sequela following infection by which organism? - Answers S. pyogenes Lactobacilli found in the female genital tract are an example of which type of symbiosis? - Answers mutualism What treatment is on the rise of resistance for S. pneumonaie? - Answers penicillin nutritionally variant streptococci needs _____ to grow. - Answers vitamin B6 Vaccines for S. pneumoniae - Answers pneumovax 23 prevnar 13 what are the 2 most common species of Enterococcus? - Answers E. faecalis and E. faecium Enterococcus cause community acquired and _____ infections. - Answers nosocomial common conditions caused by Enterococcus species? - Answers utis (catheters) endocarditis abdominal/pelvic wounds septicemia Enterococcus species are: - Answers halotolerant catalase negative PYR positive VRE stands for - Answers vancomycin resistant enterococcus Which organism is PYR positive? - Answers Enterococcus faecalis Which gene is responsible for antimicrobial resistance in VRE isolates? - Answers vanA T/F Enterococci are normal microbiota of the human gastrointestinal tract. - Answers true What type of organism is Staphylococcus aureus? - Answers facultative anaerobe Which virulence factor of S. aureus works by binding the Fc portion of immunoglobulin G? - Answers protein a Which organism is a common cause of uncomplicated urinary tract infections in young women? - Answers S. saphrolyticus Which toxin is responsible for staphylococcal scalded skin syndrome? - Answers exfoliatin Resistance to which two antibiotics would classify an isolate of S. aureus as MRSA? - Answers cefoxitin and oxacillin