Blood agar - Study guides, Study notes & Summaries

TCU Microbiology Lab Exam 1 Questions and Answers Graded A+ What is the term for bacteria that grow best in alkaline conditions? Alkaliphiles. What does a positive urease test indicate? The ability of the organism to break down urea into ammonia, raising the pH of the medium. What is the significance of the blood agar test? To differentiate bacteria based on their hemolytic activity (alpha, beta, or gamma hemolysis). What does a positive citrate utilization test indicate? The or...

BI 127 Lab GRCC Exam 2 (labs 11-14) Questions and Answers 100% Pass Which staining technique differentiates bacteria based on cell wall composition? Gram staining Which type of bacteria appears purple after Gram staining? Gram-positive Which type of bacteria appears pink after Gram staining? Gram-negative Which structure helps bacteria move in a liquid environment? Flagella Which type of media is used to grow fastidious bacteria? Enriched media 2 Which method is used t...

BOC Microbiology Exam Test bank 322 Questions with 100% Correct Answers Updated 2024/2025 If present, a characteristic that is helpful in separating Pseudomonas aeruginosa form other members of the Pseudomonas family is: A. a positive test for cytochrome oxidase B. oxidative metabolism in the OF test C. production of fluorescein pigment D. growth at 42C - Correct Answer: D Which one of the following results is typical of Campylobacter jejuni: A. optimal growth at 42C B. oxidase ne...

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 Exams 1. What are the two major types of nucleic acids and their roles? DNA- deoxyribonucleic acid RNA- Ribonucleic acid DNA- Cellular life has DNA and a role that DNA has is long-term storage of information, it holds the characteristics of living organisms. RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins Tru...

The sum total of all the microbes in a certain environment is termed the______ Select one: a. biofilm b. microbial niche c. microbiome d. phylogeny e. domain: Microbiome 2. Studies of the immune response to an infection caused by microorganisms would be performed by a/an _______. Select one: a. hypersensitivity specialist b. geomicrobiologist c. epidemiologist d. immunologist: Immunologist 3. Which of the following is NOT a recent discovery that has had a huge impact on the under...

Microbiology Lab Final Questions and Answers Graded A+ What is the appearance of a positive MacConkey agar test for lactose fermenters? Pink colonies due to acid production from lactose fermentation. What is the purpose of using a selective medium like EMB agar? To isolate and differentiate Gram-negative bacteria, especially enteric bacteria. What is the main characteristic of a positive phenol red test? A color change to yellow indicates acid production from sugar fermentation. ...

1) After receiving a 24 hr. urine for quantitative total protein analysis the technician must first: a. subculture the urine for bacteria b. add the appropriate preservative c. screen for albumin using a dipstick d. measure the total volume - Answer-d (measure the total volume) 1) Following overnight fasting, hypoglycemia in adults is defined as a glucose of: a. <70 mg/dL (<3.9 mmol/L) b. <60 mg/dL (<3.3mmol/L) c. <55 mg/dL (<3.0mmol/L) d. <45mg/dL (<2.5mmol/L) -...

BOC Microbiology Actual Exam Questions with 100% Correct Answers 2025 Latest Update An aerobic, gram negative coccobacillus was isolated on Bordet-Gengou agar from a nasopharangeal swab 48 hours after culture from a 6mo infant with suspected pertussis. The organism exhibited the following characteristics: MAC: no growth urea: negative at 4hrs, pos at 24 hrs oxidase: - catalase: + the most probably ID of this isolate is: a. Moraxella lacunata b. Pasteurella ureae c. Bordetella pertussis...

ASCP Recalls Subject: Microbiology 1. Identify the organism: Bile esculin: POSITIVE; 6.5% NaCl: POSITIVE; PYR: NEGATIVE; LAP: NEGATIVE Ans: Leuconostoc 2. A gram stain from a blood agar shows gram positive cocci in chains, non-hemolytic, The bacteria grow on 6.5% NaCl and is Bile esculin positive. What’s the most likely identification? Ans: Enterococcus ( only Enterococcus can grow both 6.5% NaCl and Bile Esculin ) 3. latex agglutination for Staphylococcus aureus: Ans: Protein A and cl...

ASCP Board of Certification MLT Computer Adaptive Practice Test With Complete Solutions| Score Guide| Graded A+ This is a practice test with 100 question from all areas (Blood bank, Chemistry, Hematology, Immunology, Lab Operations, Microbiology, & Urinalysis & other body Fluids) Disorders in which coarse basophilic stippling can be seen are in all of the following except? A: Polycythemia B: Thalassemia C: Disorders of abnormal heme synthesis D: Lead poisoning **This is a Level 5 Q...