Bms 602 - Study guides, Class notes & Summaries

BMS 602 Final Exam Questions and Answers 100% Solved How can a B cell be distinguished from a T cell? A. B cells have a large nucleus-to-cytoplasm ration B. B cells have surface immunoglobulin C. T cells mature in the bone marrow D. B cells have a sheep red-blood cell receptor - B. B cells have surface immunoglobulin A defect in the C1 component of complement would affect which of the pathways? A. Alternate Complement Activation B. Classical Complement Activation C. Alternative and C...

BMS 602 Exam #2 Questions and Answers 100% Solved | Graded A+ LO (11&12): Know the disease states that S. pyogenes and S. pneuomniae can cause and be able to discriminate between these disease states in a case study. - Streptococcus pyogenes: -Lance group: A -Hemolysis: Beta -Habitat: Throat, and Skin -Disease: Pharyngitis, Impetigo, Rheumatic fever, Glomerulonephritis Streptococus pneumoniae: -Lance group: None -Hemolysis: Alpha -Habitat: Throat (primarily nasopharynx) -Disease: Pn...

BMS 602 Final Exam Questions and Answers 100% Solved | Graded A+ What cells present antigen via MHC II? (What cells are Antigen Presenting Cells/APCs)? - Macrophages and dendritic cells (both derive from monocytes) B-cells All of these cells load their antigens onto MHC II proteins in the phagosome Types of T cells - CD8/Killer T cells: in response to antigen binding, secretes chemical to kill cells infected by intracellular pathogen CD4/Helper T cell: stimulate B-cell antibody producti...

BMS 602 - Exam #3 Questions and Answers 100% Solved How does E.coli become virulent? - acquires virulence factors via horizontal gene transfer What does E.coli ferment? - lactose, sucrose and glucose What are the characteristics of E.coli on MacConkey agar and TSI? - red colonies on MacConkey agar and yellow TSI slants What kind of hemolysis does E.coli cause? - beta Is E.coli motile? - yes What is the most common disease caused by E.coli? - gastroenteritis which is caused by ingestion...

BMS 602 Exam 3 Questions and Answers 100% Solved | Graded A+ Which organism does MacConkey agar select for, and how does it work? ** - MacConkey is a selective and differential media, that is selective for species of Enterobacteriaceae. * This agar will differentiate between Enterobacteriaeceae based on their ability to ferment lactose. MAC inhibits growth of : GRAM POSITIVE organisms through the use of bile salts and crystal violet. If an organism ferments lactose (E. coli), the colony...

BMS 602 Enterobacteriaceae Exam Questions and Answers 100% Solved What type of bacteria is Enterobacteriaceae - Large, heterogeneous family of medically relevant gram-negative rods Where is Enterobacteriaceae normally found in the body - Many are normal intestinal flora of animals and humans Are Enterobacteriaceae ubiquitous organisms? - YES Ubiquitous organisms, found worldwide in soil, water, and vegetation What type of infections does Enterbacteriaeae cause? - 30% to 35% of all septi...

BMS 602 Vaccines Exam Questions and Answers 100% Solved | Graded A+ Immunization - the process by which a person or animals becomes protected against a disease - Vaccination or inoculation Vaccination/inoculation - injection of a killed or weakened infectious microorganism or piece of infectious microorganism in order to prevent disease (exposing an individual to produce memory B-cells) Vaccine - a product that produces immunity therefore protecting the body from the disease Vaccines c...

BMS 602 Virology Exam Questions and Answers 100% Solved | Graded A+ What is the progressive hypothesis? - Mobile genetic material moved throughout the genome and gained the ability to exit one cell and move to another What is the regressive hypothesis? - Viruses originated from more complex organisms and evolved to lose genetic information but adopted a parasitic approach to replication What is the virus first hypothesis? - viruses may have been the first selfreplicating entities before ...

BMS 602 Mycobacterium Tuberculosis Exam Questions and Answers 100% Solved describe Mycobacterium spp. - non motile, non spore forming, aerobic rods, neither gram negative or positive, generally slow growers in vitro describe Mycobacterium spp. cell wall - very hydrophobic, peptidoglycan layer linked to arabinogalactan, mycolic acid layer overlaid with lipis, glycolipids, peptidoglycolipids and proteins what was tuberculosis also know as? - great white plague M. tuberculosis pathogen - a...