Unit 3 - Communicable Diseases Part 2 Flashcards
are infections that have newly appeared in a population or have existed previously but are rapidly increasing in incidence or geographic range.
Emerging and Re-emerging Infectious Diseases (EIDs)
3 examples of EIDs
HIV/AIDS, vCJD, SARS
2 examples reemerging diseases
Chikungunya, Influenza
diseases that reappear after they have been on a significant decline.
reemerging diseases
may happen because of a breakdown in public health measures for diseases that were once under control.
reemergence
appen when new strains of known disease- causing organisms appear.
reemergence
t/f: Human behavior affects reemergence
TRUE
are spread predominantly by unprotected sexual contact. Some STIs can also be transmitted during pregnancy, childbirth an
Sexually transmitted infections (STIs)
4 ways STIs can also be transmitted
pregnancy, childbirth, breastfeeding, blood
serious consequences of untreated STI
neurological, cardiovascular, infertility, ectopic pregnancy, stillbirths, HIV
STI are associated with __,__, affecting quality of life
stigma, and domestic violence
t/f: majority of STIs have no symptoms
TRUE
symptoms of STIs
vaginal or urethral discharge, genital ulcer, lower abdominal pain
most common and curable STIs are (4)
trichomonas, chlamydia, gonorrhea, syphilis
rapidly increasing ____ is a growing threat for untreatable gonorrhoea
antimicrobial resistance
modes of transmission of STDs
More easily: mucous membranes of penis, vulva, rectum, urinary tract
Less often: mouth, throat, respiratory tract, and eyes
primary source of infection of STDs in asceding order
- venereal fluids
- saliva
- mucosal or skin (penis)
- feces
- urine
- sweat
4 risk factors of STDs
- Increased number of partners
- inconsistent condom use
- breaks in skin
- severity of your partner’s infection (as measured by things like viral load)
is a virus that attachs cells that help the body fight infection
Human immunodeficiency Virus (HIV)
t/f: there is no cure for HIV but it is treatable with medicine
TRUE
medical condition where in immune system is too weak to fight infections
AIDS
stage of HIV: people have a large amount of HIV in their blood and are very contagious
acute
stage of HIV: many people have flu-like symptoms
acute
stage of HIV: asymptomatic HIV infection or clinical latency
chronic
stage of HIV: HIV is still active, and continues to reproduce
chronic
stage of HIV: not sick but can transmit
chronic
stage of HIV: most severe stage
AIDS
stage of HIV: high viral load and may easily transmit HIV
AIDS
stage of HIV: badly damaged immune systems, increasing opportunistic infections
AIDS
t/f: without HIV treatment, people with AIDS typically survive about __ years
3 years
HIV damages the immune system by killing __ cells
CD4 cells
without HIV medications, HIV advances to AIDS in about ___ years
10 years
4 principles of HIV transmission
exit -> survive -> sufficiency -> entry
if you engage in behaviors that may increase your chances of getting HIV, ask you health care provided if ___ is right for you
Pre-exposure prophylaxis (PrEP)
if you think youve been exposed to HIV within the last 3 days, ask a health care provided about ___ right away
Post exposure prophylaxic (PEP)
PEP can prevent HIV but it must be started within ___ hours
72 hours
t/f: if you have an undetectable viral load, you will not transmit HIV through sex
TRUE