Infectivity Study guides, Class notes & Summaries

NUR 426 Exam 3 Questions with 100% Correct Answers | Verified | Updated 2024/2025 What are the three critical areas of environmental risk factors? safe air quality conditions, safe water supplies, and safe soils in a nations farming industry What do public health professionals use to reduce risk associated with what we breathe and ingest? education, engineering, and enforcement What is demography? studying person related variables in a population of interests over two or more time per...

CMAN 380 Final Exam (2023/2024) Already Passed Definition of "Screening" The process of using clinical tests and/or examinations to identify patients who require additional health-related interventions What is the goal of screening Detect early Is screening primary, secondary, or tertiary? Secondary prevention What is the purpose of a diagnostic test? Establish the absence of presence of a disease (have it or not) Diagnostic test are also called? confirmatory test Is a screening diagnosti...

Biological Safety Levels - correct answer Levels of safety determined by agents infectivity Ease of Transmission Disease severity Work being done with the agent BSL1 - correct answer no special precautions; basic teaching labs e.g nonpathogenic E.coli BSL2 - correct answer lab coat, gloves, eye protection e.g Staphylococcus aureus BSL3 - correct answer biosafety cabinets to prevent airborne transmission, self closing doors, directional air flow e.g Mycobacterium Tubercul...

Surgery EOR Exam Questions with 100% Correct Answers what is the most common type of liver cancer? - Answer- hepatocellular carcinoma tx for hemochromatosis (excessive iron loading) - Answer- deferoxamine chelation HBsAg - Answer- acute/chronic infection HBeAg - Answer- VERY INFECTIOUS acute/chronic infection infectivity wild type viral infection anti-HBc - Answer- marker of exposure persists indefinitely anti-HBe - Answer- low infectivity Anti-HBs - Answer- marker of immunity VACCI...

Microimm 2500: Virology Exam Questions With Verified Solutions Measles - answervirus that is transmitted in aerosols through coughs/sneezes - mostly eradicated in Canada due to vaccination - still present in SA and Africa Endogenous Viral Sequences - answerviral genetic sequences from infections that occurred that integrate into our own genetic material - no longer infectious Intrinsic Defenses - answerphysical barriers like skin/sweat that keep viruses from entering our body Polydnavi...

The 4 things that viruses lack - (1) Enzymes that produce basic chemical building blocks (2) Enzyme systems that generate usable energy (3) Enzymes/tRNAs/ribosomes that direct protein synthesis (4) Membranes that concentrate and localize key molecules All viruses have _______ and _______, while only some viruses have ________. - nucleic acids and a capsid; an envelope A ________ is a complete, infectious virus particle. - virion Naked capsids are ______ to drying, heat, detergents, a...

Which organism is responsible for the development of syphilis? Neisseria syphilis Treponema pallidum Haemophilus ducreyi Chlamydia trachomatis Question 2. : Kidney stones in the upper part of the ureter would produce pain referred to which anatomical area? : Vulva or penis Umbilicus Thighs Lower abdomen Question 3.: Carcinoma refers to abnormal cell proliferation originating from which tissue origin? Blood vessels Epithelial cells Connective tissue Glandular tissue Question 4. ...

Surgery EOR Exam Questions with 100% Correct Answers what is the most common type of liver cancer? - Answer- hepatocellular carcinoma tx for hemochromatosis (excessive iron loading) - Answer- deferoxamine chelation HBsAg - Answer- acute/chronic infection HBeAg - Answer- VERY INFECTIOUS acute/chronic infection infectivity wild type viral infection anti-HBc - Answer- marker of exposure persists indefinitely anti-HBe - Answer- low infectivity Anti-HBs - Answer- marker of immunity VACCI...

1. Identify mechanisms used by pathogens to survive defenses of the body. CORRECT ANSWER o Infectious disease: infection spread from person to person o Pathogens successfully cause disease because they" Compete with normal flora Produce toxins Produce enzymes to • Avoid phagocytosis, opsonization, destroy connective tissues Avoid lysis • Stop complement cascade by degrading C3b Paralyze ciliary activity 2. Describe the different factors for infection. CORRECT ANSWER o ...

GMS 6121 Exam 1 Questions and Answers 100% Pass The 4 things that viruses lack - Answer- (1) Enzymes that produce basic chemical building blocks (2) Enzyme systems that generate usable energy (3) Enzymes/tRNAs/ribosomes that direct protein synthesis (4) Membranes that concentrate and localize key molecules All viruses have _______ and _______, while only some viruses have ________. - Answer- nucleic acids and a capsid; an envelope A ________ is a complete, infectious virus particle. - A...