Labce Study guides, Class notes & Summaries

LABCE REVIEW

Concerning antigen-antibody reactions, the prozone effect causes which of the following results? A. False positive B. False negative C. No reaction D. Mixed field reaction correct answer: B. False negative The following characteristics are applicable to Interferon-Gamma Release Assays (IGRAs) except: A. Can be used in patients with active tuberculosis disease symptoms B. Preferable for patients who have received a bacillus Calmette-Guérin (BCG) vaccination C. Can be used instead ...

Troponin I is used frequently to assess acute myocardial infarctions (AMI). If a patient has experienced an AMI, at what point (approximately) will the troponin I begin to increase and how long will it stay increased? correct answers3-12 hours, 7-14 days The top image shows the microscopic appearance of yeast cells within a colony growing on cornmeal tween 80 agar. These same cells may also be observed in a tissue section (bottom image) taken from an area of inflammation. The tissue section i...

LabCE Review: Micro questions correctly answered to pass 2023results show: gram negatve rods that might have bipolar staining faster growth at 25*C gray-white translucent colonies on BAP after 24 hrs "fried egg" colonies or :hammered copper" appearance @ 48-72 hrs catalase POS oxidase NEG urea NEG indole NEG - correct answer yersinia pestis which fungus is not considered an opportunistic pathogen in humans? - correct answer scopulariopsis species which form of shigella types as...

LabCE Comp. adaptive MLS question and answers rated A+ 2023 passedWhat is the focus of both Lean principles and the 6 Sigma methodology? - correct answer Process improvements Which of the following hemoglobin is replaced by hemoglobin H (HbH) after birth in individuals with HbH disease? - correct answer Bart's The serum that will agglutinate group A1 cells? - correct answer A2 individual Principle of KB test? - correct answer Fetal cells present in the mother's blood smear contain Hgb...

Micro LabCE Practice question with complete solution 2023Name the Mycobacterium: Rapid growing gray-white smooth nonpigmented colonies Ciprofloxacin resistance Susceptible to Polymyxin B - correct answer Mycobacterium chelone Name the Mycobacterium: Rapid colony growth Susceptible to ciprofloxacin Resistant to Polymyxin B Positive nitrate reduction and iron uptake. - correct answer Mycobacterium fortuitum Name the 2 Mycobacterium: Slow growing colonies Yellow pigmented colonies...

LABCE REVIEW

Which one of the following statements about endocytosis is incorrect? Phagocytosis is a form of endocytosis in endocytosis, the cell membrane invaginates and isolates a foreign particle in a vesicle. Endocytosis is a mechanism for viruses to enter cells Endocytosis is the process by which phagosomes expel the macromolecules inside. correct answersEndocytosis is the process by which phagosomes expel the macromolecules inside. A hospitalized patient has a decreased serum copper level and i...

Blood Bank LABCE Study Guide Questions and Answers

This organism is gram(+) cocci in pairs that are often Lancelet-shaped (or "cat-eyes") Streptococcus pneumoniae These colonies were slow growing, small, entire and show soft beta hemolysis. Plump, Gram-negative coccobacilli, lying singly, in pairs and short chains, are seen on gram stain. Most strains are chemically non-reactive except for a positive oxidase reaction and acid produced from dextrose and maltose. What is the name of the isolate? Kingella kingae The oxidase test i...