Gram stained bacteria Study guides, Class notes & Summaries

Microbiology Straighterline Exam (Quizzes) With 100% Correct Answers Studies by Emil von Behring and Shibasaburo Kitasato demonstrated that inactivated toxins can induce the synthesis of antitoxins in the blood of rabbits. These antitoxins (antibodies) are the basis of... a. humoral immunity b. cell-mediated immunity c. antibiotic immunity d. phagocyte-mediated immunity - answera. humoral immunity Who of the following first discovered that some blood leukocytes could engulf disease-caus...

What term describes the morphology of organisms that vary in shape and size? Pleomorphic i.e. coccobacilli Bacteriology arrangements: -pairs (diplococci "N. Gon"; diplobacilli -chains (streptococci, streptobacilli) -grape like clusters (staphylococci) -group of four-tetrads (peptococcus) -packets of eight-cuboidal (sarcina) -palisades (corneybacterium) Capsules are the basis of which test? serotyping and identification (capsules are antigenic); they are observed usi...

NBME CBSE EXAM with 200 Questions and Answers 70yo M dies in a motor vehicle collision. Was undergoing evaluation for occult blood in the stool. Photo of transverse colon shown. Dx? - ANSWER- Tubular adenoma 38yo M with 1-week hx of watery, itchy eyes and a runny nose. Physical shows inflamed nasal mucosa. No congestion in lower lung. Pharmacotherapy? - ANSWER- Loratadine 16yo girl with 3-day hx of fever, nonproductive cough, and fatigue. T 38.3, P 88/min, BP 102-70. PE shows pale conjun...

MLPAO EXAM SET, WITH OVER 1000 QUESTIONS AND ANSWERS 2024/2025. A patient being tested for fecal occult blood should not eat foods containing: - ANSWER No red meat and & excess vitamin C. Which of the following is the counterstain for the gram stain method? - crystal violet - safranin - acetone-alcohol - iodine -gentian-violet - ANSWER Safranin Most fixatives act by: - precipitating calcium ions in cells - precipitating cell wall - precipitating carbohydrates in cells - precipitatin...

What term describes the morphology of organisms that vary in shape and size? - Pleomorphic Capsules are the basis of which test? - Serotyping A mucoid colony on blood agar medium indicates that which of the following characteristics may be present? - Organism has a capsule. What are dark staining granules called? - Metachromatic Which of the following organisms are non-motile? - Shigella and Klebsiella In the bacterial growth cycle, growth ceases because nutrients are exhausted or toxic me...

Biology 1406 Lab Exam 1 Questions and Answers Already Passed Why is oil immersion used? To reduce the amount of light rays that are refracted away from the objective lens. It increases numerical aperture and maintains a uniform light speed. increase the resolving power of a microscope. Prevents refraction of light. What parts of the microscope does light travel through? Illuminator-The light source for the microscope.Diaphragm-Controls the amount of light entering the condenser. Co...

Exam 4: NURS611 / NURS 611 (Latest 2024 / 2025) Advanced Pathophysiology Quiz Bank | Questions and Verified Answers with Rationales | 100% Correct | Grade A - Maryville Q: Which are clinical manifestations of male breast cancer? (Select all that apply.) a. Ulceration present on the breast b. Retraction of breast tissue c. Nipple discharge d. Palpable mass midline of the nipple e. Unilateral solid mass Answer: A, B, C, E The malignant male breast lesion is usually a unilateral solid mass located ...

Lab 4: Structure and Microscopy (100 points)  Each question on the lab worksheet must be answered completely, thoroughly, in complete sentences and correctly in order to be considered for full credit  If the question asks you to do research or find a source, a reputable, credible and/or scholarly source citation must be included in order to be considered for full credit  If a math formula is required to arrive to an answer, work must be shown otherwise, no credit will be awarded *...

Straighterline Microbiology Final Exam Review Questions With 100% Correct Answers Who of the following developed a set of criteria that could be used to establish a causative link between a particular microorganism and a particular disease? Select one: a. Fracastoro b. Koch c. Pasteur d. Lister b Which of the following distinguish the field of microbiology from other fields of biology? Select one: a. The size of the organism studied. b. The techniques used to study organisms regard...

MCB 2010 MDC Study Guide# 1 2024 Which of the following statements is INCORRECT regarding prokaryotic cells? a. Their DNA is not enclosed within a membrane. b. They lack membrane-enclosed organelles. c. They typically have a circular chromosome. d. They reproduce by binary fission. e. They lack a plasma membrane. -Answer-They lack a plasma membrane. 2.Each of the following statements concerning the gram-positive cell wall is true EXCEPT A) it maintains the shape of the cell. B) it is s...