Positive gram stain - Study guides, Class notes & Summaries

Pulmonary ROSH Review; Questions and Answers 100% Solved A 25-year-old man presents for evaluation of fever and cough. He reports last week that he was diagnosed with influenza. In the last 2 days he developed a worsening cough productive of large amounts of sputum. Vital signs are T 101°F, HR 98, BP 120/60, RR 18, and 95% oxygen saturation on room air. His chest X-ray demonstrates a lobar infiltrate in the left lower lobe. Which of the following would you most likely expect to see o...

AGACNP Exam Latest Update 2024 / 2025 Gram positive bacteria features? - ANSWER-thick cells walls, retain purple color after staining Gram negative bacteria features? - ANSWER-thin cell walls, do not retain violet stain What are the gram positive bacterias? - ANSWER-staphylococcus, streptococci, enterococci, bacilli, corynebacterium What are the gram negative positive bacterias? - ANSWER-serratia marcescens, e coli, klebsiella, pseudomonas, proteus mirabilis, moraxella catarrhalis, acinetoba...

MCB2010:Microbiology Final Exam Questions and Answers 2024/25 Update It forma a dark image against a bright background. it can be used to observe live or preserved, stained or unstained specimens. EX: bacteria is not living -IT CANNOT BE USED TO OBSERVE INTRACELLULAR STRUCTURES SUCH AS ENDOSPORES, DNA, RIBOSOMES, ETC OF LIVING CELLS Choose matching term fluorescence microscope phase contrast microscope dark field microscope bright field microscope Don't know? 1 of 189 Definition ...

Infectious agent - ANSWERa pathogen, such as a bacterium or virus that can cause a disease Bacteria - ANSWER- Most significant and most commonly observe infection-causing agent in health care institutions - Categorized by shape Cocci (spherical) Bacilli (rod-shaped) Spirochetes (corkscrew) - Gram positive, have thick walls that resist the loss of color. Will stain violet - Gram negative, complex cell walls that can be decolorized by alcohol. Will not stain - Antibiotics are classified ...

A 13 year-old child presents with a lesion on his right forearm that is occasionally pruritic. On examination, a 2 cm ring of erythema with a scaly border and central clearing is noted. A suspected diagnosis is confirmed by the presence of A a positive patch test. B hyphae on a KOH prep. C gram-positive cocci on Gram stain. D multinucleated cells on Tzanck smear - B Ring-shaped lesions with scaly borders and central clearing are most likely caused by fungal infection. Microscopic examina...

Define the concept of universal precautions (short answer) Universal precautions means any and all samples, whether known or unknown, are to be treated as potentially hazardous (or pathogenic) materials List at lease 3 observations a researcher would be sure to note while assessing and unknown microbial sample (short answer) Need to note: 1. Size and shape 2. Any observable motility 3. Gram status (positive or negative) 00:04 01:42 While observing an unknown sample o...

Mitochondria similarity to prokaryotes (bacteria) ~~> Circular DNA and 70S ribosomes 70S ribosomes subunits are ~~> 50S and 30S 70S ribosomes found in ~~> Prokaryotes (bacteria & archaea) (and mitochondria/chloroplasts) 80S ribosomes found in ~~> Eukaryotic cells (algae, fungi, protozoa, helminths and animals) 80S ribosomes subunits are ~~> 60S and 40S Bacilli 2 | P a g e | © copyright 2024/2025 | Grade A+ Master01 | September, 2024/2025 | Latest update ~~&g...

______ is an enzyme that can break down DNA into nucleotides - ️️DNase _______ clot formed by the bacteria protects the cells from host defenses - ️️fibrin ________ is unique among the Staphylococcus species for possessing the enzyme coagulase which promotes the formation of fibrin clots in plasma. - ️️s. aureus ______x = oil immersion - ️️100 (Solid/liquid) media are required when isolating cultures - ️️solid 3 types of antimicrobials - ️️disinfectants antiseptics...

Staphylococcus is a gram __________ cocci that is catalase ___________ - ️️positive positive Micrococcus is a gram __________ cocci that is catalase ___________ - ️️positive, positive Streptococcus is a gram __________ cocci that is catalase ___________ - ️️positive, negative Enterococcus is a gram __________ cocci that is catalase ___________ - ️️positive, negative Abiotrophia, Granulicatella, Leuconosoc, Pediococcus, Aerococcus, Gamella, and Lactococcus are all gram __...

MCB 2610 Exam 3 Question and answers correctly solved 2024/2025 MCB 2610 Exam 3 functions of bacterial cell wall - correct answer maintains the shape of the bacterium, helps protect the cell from osmotic lysis (rupturing), helps protect from toxic materials, may contribute to pathogenicity cell wall - correct answer peptidoglycan (murein)- rigid structure that lies just outside the cell membrane; two types based on gram stain- gram positive and gram negative peptidoglycan structur...