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AH- CH 34
Adult Health I
Question | Answer |
---|---|
an _____ disease may not pose risk for transmission | infectious |
examples of infectious diseases are ___ and ____ | viral meningitis and pneumonia |
if the infectious disease can be transmitted directly from one person to another, it is termed ___ | communicable disease |
pathogens multiply and cause s/s ___ | symptomatic |
what happens to create an infection? | infectious agent or pathogen, a reservior or source for pathogen growth, a portal of exit from reservior, a mode of tranmission, a portal of entry to a host, a susceptible host |
microorganisms include ___, ____, ____, and ____ | bacteria, viruses, fungi, protozoa |
if hands are visibly soiled with proteinaceous material _____ is preferred hand hygiene practice | soap and water |
if hands are not visibly soiled _____ is the preferred hand hygiene practice | alcohol-based hand product or hand washing with soap and water |
the potential fro microorganisms to cause disease depends on what 4 things? | dose, virulence, ability to enter and survive in the host, host resistance or susceptibility of the host |
reservoir for hepatitis A | feces |
reservoir for hepatitis B | blood and certain body fluids, sexual contact |
reservoir for hepatitis C | blood, centain bpdy fluids, and sexual contact |
reservoir for herpes simplex virus type i | lesions of the mouth or skin, saliva, genitalia |
reservoir for HIV | blood, semen, vainal secretions via sexual contact |
what are diseases caused by herpes simplex virus type 1? | cold sores, aseptic meningitis, sexually transmitted disease, herpetic whitlow |
reservoir for aspergillus organisms | (fungi) soil, dust, mouth, skin, colon, genital tract |
reservoir for candida albicans | (fungi) mouth, skin, colon, genital tract |
what are diseases caused by aspergillus organisms? | apergillosis, pneumonia, sepsis |
what are diseases caused by candida albicans? | candidiasis, pneumonia, sepsis |
reservoir for plasmodium falciparum | (protozoa) blood |
what is a disease caused by plasmodium falciparum? | malaria |
reservoir for e.coli | colon |
what are diseases caused by e.coli? | gastroenteritis, UTI |
reservoir for staphylococcus aureus | skin, hair, anterior nares, mouth |
what are diseases caused by staph aureus? | wound infections, pnuemonia, food poisioning, cellulitis |
reservoir for streptococcus beta hemolytic group A organisms | oropharynx, skin, perineal area |
what are diseases caused by strept beta hemolytic group A? | "strep throat," rheumatic fever, scarlet fever, impetigo, wound infection |
what are diseases caused by strept beta hemolytic group A? | UTI, wound infection, postpartum sepsis, neonatal sepsis |
reservoir for streptococcus beta hemolytic group A organisms | adult genitalia |
reservoir for mycobacterium tuberculosis | droplet nuclei from lungs, larynx |
what disease does mycobacterium tuberculosis cause? | TB |
reservoir for neisseria gonorrhoeae | genitourinary tract, rectum, mouth |
what are diseases caused by neisseria gonorrhoeae? | gonorrhea, pelvic inflam disease, infectious arthritis, conjuctivitis |
reservoir for rickettsia rickettsii | wood tick |
what diseases are caused by rickettsia rickettsii? | rocky mountain spotted fever |
reservoir for staphylococcus epidermidis | skin |
what diseases are caused by staphylococcua epidermidis? | wound infection, bacteremia |
hep A survives in ____ but does not multiply | shellfish |
most common reservoir | human body |
psedomonas organisms survive where? | nebulizers |
causes botulism and survives in improperly processes foods | closteridium botulinum |
causes legionnaires disease and survives in contaiminated water and water systems | legionella pneumopila |
to thrive organisms needs 6 things in their environment | proper food, water, oxygen, temperature, pH, and light |
causes gas gangrene | clostridium perfringens |
clostridium difficile is an ____ bacteria | anaerobic |
temperature that prevents growth is called (example cold temps) | bacteriostasis |
a temperature that destroys bacteria is called | bactericidal |
most bacteria prefer a pH of ___ | 5-7 |
person to person (fecal to oral) is ___ contact | direct |
physical contact between source and susceptible hose is___ contact | direct |
personal contact of susceptible host with contaminated inanimate object is ___ contact | indirect |
large particles that travel up to 3 feet and come in contact with susceptible host is | droplet transmission |
droplet nuclei, or residue or evaporated droplets suspended in air or carried on dust particles are ____ | airborne transmission |
contaiminated items, water, drugs, solutions, blood, and food are ____ | vehicles transmission |
external mechanical transfer, internal transmission such as parasitic conditions between vector and host such as mosquito, louse, flea, and tick are ___ | vector transmission |
what are 4 modes of transmission? | contact, airborne, vehicles, and vectors |
hep A, shigella, staph are ___ transmission | direct contact |
hep B, hep C, HIV, staph, respiratory syncytial virus, pseudomonas, methicillin-resistant staph aureus are ___ transmission | indirect contact |
flu, rubella virus, bacterial meningitis are ___ transmission | droplet contact |
mycobacterium TB, varicella zoster virus, aspergillus, measles are ___ transmission | airborne |
vibrio cholerae, MRSA are ___ transmission | contaiminated items (vehicles) |
pseudomonas, legionells are ___ transmission | water (vehicles) |
pseudomonas is ___ transmission | drugs, solutions (vehicles) |
hep B, hep C, HIV, syphillis are ___ transmission | blood (vehicles) |
salmonella, e. coli, clostridium botulinum are ___ transmission | food (vehicles) |
v. cholerae is ___ transmission | external mechanical transfer (vector) |
plasmodium falciparum (malaria), west nile are ___ transmission | mosquito (vector) |
rickettsia typhi is ___ transmission | louse (vector) |
yersinia pestis (plague) is __ transmission | flea (vector) |
borrelia burgdorferi (lyme disease) is ___ transmission | tick (vector) |
interval between entrance of pathogen into body and appearance of first symptoms | incubation period |
interval from onset of nonspecific s/s to more specific s/s. during this time, microorganisms grow and multiply, and client may be capable of spreading disease to tohers | prodromal stage |
interval when client manifests s/s specific to type of infection | illness stage |
interval when acute s/s of infection disappear | convalescence |
develops when broad-specturm antibiotics are used and eliminate a large range of normal flora organisms | suprainfection |
after tissues are injured, a series of well-coordinated events occur (3 things) | vascular and cellular responses. formation of inflam exudates, and tissue repair |
is a process that invloves the destruction and absorption of bacteria | phagocytosis |
an increased number of circulation WBC in the body's response to WBC leaving blood vessels | leukocytosis |
____ is caused by phagocytic release of pyrogens from bacterial cells that cause a rise in teh hypothalamic set point | fever |
clear, like plasma fluid | serous |
contains RBC fluid | sanguineous |
contains WBC and bacteria fluid | purulent |
infection resulting from delivery of health services in a health care facility | iatrogenic |
a nosocomial infection that results from an outside exposure to client | exogenous |
an infection that results from part of a pt's normal flora being altered and overgrowth results (example antibiotics) | endogenous |
___ are teh most common cause of communicable illnesses in young to middle-aged adults | viruses |
clients who have surgery require an increased intake of ___ | protein |
normal WBC count | 5000-10000 |
increases WBC indicates ___ | acute infection |
decreased WBC indicates ____ | certain viral or overwhelming infections |
normal erythrocyte sedimentation rate (ESR or sed rate) | up to 15mm/hr for men and 20mm/hr for women |
increased sed rate indicates ___ | inflammatory process |
normal iron level | 60-90g/100ml |
decreased iron level indicates __ | chronic infection |
what is the normal outcome of a culture and gram stain of a wound, sputum, and throat? | no WBC and gram stain, possiblr normal flora |
on a culture and gram stain, what indicates infecction? | presence of infectious microorganism growth and WBC on gram stain |
what percentage of WBC should neutophils be? | 55-70 |
what percentage of WBC should lymphocytes be? | 20-40 |
what percentage of WBC should monocytes be? | 5-10 |
what percentage of WBC should eosinophils be? | 1-4 |
what percentage of WBC should basophils be? | 0.5-1.5 |
increase in neutrophils indicates __ | acute suppurative (pus forming) infection |
decrease in neutrophils indicates ___ | overwhelming bacterial infection (older adult) |
increase in lymphocytes indicates ___ | chronic bacterial and viral infection |
decrease in lymphocytes indicates ___ | sepsis |
increase in monocytes indicates ___ | protozoan, rickettsial, and TB infections |
increase in eosinophils indicates __ | parasitic infection |
basophils present are ___ in an infection | normal |
WBC < 5000 indicates ___ | impaired immunity |
a defining characteristic of infection is the CD4 cells being __ | low |
the absence of patogenic microorganisms | aseptic |
medical asepsis is __ | clean technique |
primary source of infection transmission in the health care setting | health care workers contaminated hands |
process that eliminates many or all microorganisma with the exception of bacerial spores from inanimate objects | disinfection |
alchols, chlorines, glutaraldehydes, hydrogen peroxide, and phenols are examples of __ | disinfectants |
is the complete elimination of all mircoorganisms, including spores | sterilization |
steam under pressure, ethylene oxide gas, hydrogen peroxide plasma, and chemicals are examples of ___ | steilizing agents |
never raise a drainage system above the level of the ____ | site being drained unless it is clamped off |
1st and most important tiered is __ | standard precautions |
2nd tiered is ___ | addresses isolation precautions, which are based on the mode of transmission of the disease |
isolation precautions are termed ___, ___, ___, and ___ | airborne, droplet, contact, protective environment |
are protein molecules released by bacteria to affect host cells at a distant site | toxins |
are produced and released by certain bacteria into the surrounding environment | exotoxins |
are produced in the cell walls of certain bacteria and released only with cell lysis | endotoxins |
bacteria in the blood stream | bacteremia |
completes the chain of infection | portal of exit |
deliberate failure to take medication | nnoncompliance |
accidential failure to take medication | nonadherence |
health care worker must observe and validate client compliance with drug regimen | directly observed therapy |
body tissue, phagocytosis, and inflammation are ___ defenses | nonspecific |
immune system are ___ defenses | specific |
a differential count usually shows a shift to the ___ during active infections | left....increased number of immature neutophils |
___ and ____ are the most common types of drugs used when infection is accompanied by hypertherma (fever) | antipyretics and antimicrobials |
systemic sepsis | septicemia |
insufficient cardiac output is compounded by hypovolemia; inadequate blood supply to vital organs leads to hypoxia and metabolic failure | septic shock or sepsis-induced distributive shock |
what are the 5 types of leukocyte WBC? | neutrophils, lymphocytes, monocytes, eosinophils, and basophils |
malaria and mononucleosis are infections that are associated with ____ | neutropenia (<neutrophils) |
measures the rate in which RBC fall through plasma | ESR (sed rate) |
reinfection or a second infection | superinfection |