MEDICAL SCIENCES UAMS EXAMINATION TEST 2026 QUESTIONS WITH SOLUTIONS GRADED A+

MEDICAL SCIENCES UAMS EXAMINATION
TEST 2026 QUESTIONS WITH SOLUTIONS
GRADED A+

◉ BEA: Black
Salt: No Growth
Optochin: resistant. Answer: GDS


◉ BEA: Colorless
Salt: No Growth
Optochin: Susceptible. Answer: Streptococcus pneumoniae


◉ BEA: Coloreless
Salt: No Growth
Optochin: Resistant. Answer: Viridans Strep


◉ Hemolysis: Beta
Gram Stain: GP Coccobacilli
Catalase: +
BEA: +
CAMP/Hippurate: +

,Motility: + @ 25 C. Answer: Listeria


◉ What organisms are motile at 25 C?. Answer: Yersinia
entercolitica & Listeria


◉ What GPR organisms form spores?. Answer: Bacillus species
(aerobic)
Clostridium species (anaerobic)


◉ What temperature should CIN agar be incubated at?. Answer: RT


◉ Selective for Gram-Negative Bacilli. Answer: EMB & MAC


◉ Selective media for Gram-positive organisms. Answer: CNA & PEA


◉ Gram staining steps. Answer: 1. crystal violet
2. iodine
3. alcohol
4. safranin


◉ ID Of Staphylococci. Answer: -Slide coagulase
-Tube coagulase

, -MSA
-Latex agglutination
-Novobiocin


◉ Reagent: Bile Solubility. Answer: 10% deoxycholate (bile)


◉ Enhance growth of specific MOs, while inhibiting the growth of
others (GN & Selenite). Answer: Enrichment Broths


◉ No antimicrobial substances & allows growth of most organisms
(BAP, CHOC). Answer: Nonselective Media


◉ Contains antimicrobial substances, allows growth of specific
bacteria while inhibiting the growth of others (PEA, CNA). Answer:
Selective Media


◉ Basic growth media for bacteria (BAP/ CHOC). Answer: Nutrient
Media


◉ Metabolic differences and biochemical reactions in the media
distinguishes MO (ph Color indicator). Answer: Differential Media


◉ Reagent: Catalase. Answer: Hydrogen Peroxide