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MEDT 2050 BGSU Exam 1
midterm flashcards
82
Medical
Undergraduate 1
02/22/2011

Additional Medical Flashcards

 


 

Cards

Term
what period is the first half of stage 1 of an untreated HIV infection
Definition
Window Period
Term
what is the t-cell count of the window period
Definition
1000
Term
what is the second half of the first stage of an untreated HIV infection called
Definition
asymptomatic period
Term
what period is stage 2 of an untreated HIV infection
Definition
Symptomatic Period
Term
what is the t-cell count of stage 2
Definition
500
Term
what happens in the third stage of an untreated HIV infection
Definition
AIDS
Term
what is the t-cell count in the third stage
Definition
200
Term
how long is the window period
Definition
six weeks to three months
Term
what happens in the window period
Definition
HIV antibodies develop
Term
what is unique about window period
Definition
may test negative but can still transmit disease
Term
how long is the average asymptomatic period
Definition
10 years
Term
10 symptoms of HIV infection
Definition

1. swollen glands

2. persistent diarrhea

3. night sweats

4. fatigue

5. rapid weight loss

6. fever/chills

7. mild infections

8. dry cough/shortness of breath

9.white patches on tongue or mouth

10. chronic yeast infection (women)

Term
when is the most infectious period
Definition
first few weeks after infection
Term
what are the 4 infectious fluids
Definition

1. blood

2. semen

3. vaginal fluid

4. breast milk

Term
4 body openings that can contract HIV
Definition

1. mouth

2. genitals

3. anus

4. cuts

Term
4 routes of trasmission
Definition

1. sex (any type)

2. sharing needles

3. mother to fetus

4. blood transfusion

Term
4 steps to staying healthy once infected
Definition

1. education

2. nutrition

3. exercise

4. treatment

Term
2 new therapeutic techniques in 1998
Definition

1. PEP: post exposure prophylaxis

2. PrEP: pre exposure prophylaxis

Term
administration of anti-HIV drugs within 72 hours of a high-risk exposure to help prevent development of HIV infection
Definition
PEP: post exposure prophylaxis
Term
use of antiretroviral drugs as a preventive measure to potentially decrease the risk of HIV transmission
Definition
PrEP: pre exposure prophylaxis
Term
treating retroviral infections with drugs
Definition
antiretroviral therapy
Term
what is the HIV life cycle
Definition

1. virus in bloodstream

2. attaches to cell

3. empties contents in cell

4. HIV genetic code builds HIV DNA

5. HIV DNA inserted in cell DNA

6. infected cell reproduces & activates HIV

7. material for new virus made

8. virus pushes out of cell

9. breaks free of cell

10. virus matures

Term
block the genetic code from making HIV DNA
Definition

nucleoside reverse transcriptase inhibitors

(NRTIs)

Term
block the virus from maturing
Definition

protease inhibitors

(PIs)

Term
prevent HIV from entering a cell
Definition
entry inhibitors
Term
when a drug stops working and mutations continue multiplying
Definition
drug resistance
Term
virus empties its contents into a cell
Definition
penetration
Term
single strands of viral RNA are used to create double-stranded DNA
Definition
reverse transcription
Term
viral DNA is inserted into the cell's own DNA
Definition
integration
Term
infected cell divides, making long chains of proteins
Definition
transcription
Term
immature virus pushes out of the cell
Definition
budding
Term
disabiling and life-threatening illness caused by human immunodeficiency virus
Definition
AIDS
Term
acute syndrome marked by flu-like symptoms that occur in over 50% of HIV-infected individuals anywhere from 3-6 weeks after initial infection
Definition
acute retroviral syndrome
Term
makred by opportunistic infections or CD4 T-cell counts less than 200
Definition
advanced-stage HIV infection
Term
protein made in response to an antigen as part of the immune system to fight off infection
Definition
antibody
Term
substance that enters into the body that triggers the production of antibodies
Definition
antigen
Term
t-helper lymphocytes that work for the immune system by directing other cells to rid the body of infections
Definition
CD4 cells
Term
research study that uses human volunteers to answer specific health questions
Definition
clinical trial
Term
in a weakened state and unable to perform usual functions
Definition
compromised
Term
worsening in the severity of an infection
Definition
disease progression
Term
body's defense mechanism against infections
Definition
immune system
Term
invasion by and multiplication of microscopic organisms in the body which cause disease
Definition
infection
Term
filter lymph as it flows through, trapping foreign substances which are destroyed by special white blood cells called lymphocytes
Definition
lymph node
Term
white blood cell that help the immune system clear infections from the body
Definition
lymphocytes
Term
large cell of the immune system that helps clear infections from the body
Definition
macrophage
Term
potential infections that cause disease when a weakened immune system provides the opportunity
Definition
opportunistic infections
Term
making copies or reproducing
Definition
replication
Term
type of virus that contains the genetic material RNS
Definition
retrovirus
Term
genetic material within cells and organisms necessary for transmission of genetic information for replication and function
Definition
RNA
Term
experiencing symptoms
Definition
symptomatic
Term
characteristic or indication of an infection
Definition
symptom
Term
measure of the amount of HIV RNA in an infected person's blood
Definition
viral load
Term
microscopic organism that must infect another cell to survive and reproduce
Definition
virus
Term
can get infected
Definition
acquired
Term
weakness in the body's system that fights disease
Definition
immune deficiency
Term
group of health problems that make up a disease
Definition
syndrome
Term
how many Americans are living with HIV or AIDS
Definition
about 1-1.2 million
Term
what percent of AIDS diagnosis were male
Definition
75%
Term
what are the percents for type of contraction in 2006
Definition

male-male sex:  53%

high risk hetero sex: 31%

shared needles: 12%

male-male sex & IDU: 4%

Term
what were percentages for diagnosis based on race in 2006
Definition

black: 45%

white 35%

hispanic: 17%

asian: 2%

indian: 1%

Term
what were percentages for diagnosis based on age in 2006
Definition

13-29 years: 34%

30-39 years: 31%

40-49 years: 25%

50+ years: 10%

Term
in cases of children with AIDS what are the percentages based on contraction and race
Definition

92% mother to child

81% black or hispanic

Term

-published that 5/11 AIDS patients are hetero

-proven that AIDS is infectious

-200 cumulative cases

Definition
events of 1981
Term
-named AIDS
Definition
events of 1982
Term

-found virus linked to AIDS

-try to convince blood banks to test blood

-first clinical definition of AIDS

Definition
events of 1983
Term

-Rock Hudson dies increasing awareness

-blood is tested for HIV antibodies

-20,000 cases

Definition
events of 1985
Term

-named HIV

-universal precautions in hospitals

Definition
events of 1986
Term

-Reagan gives speech on AIDS

-vaccine research begins

Definition
events of 1987
Term
-first worlds AIDS day (Dec.1)
Definition
events of 1988
Term
-hits 100,000 cases
Definition
events of 1989
Term

-reasearch shows HIV is on university campuses (2/1,000 students)

-ADA includes HIV/AIDS

Definition
events of 1990
Term

-Magic Johnson announces HIV+

-red ribbon becomes symbol

-madatory testing for health care workers

Definition
events of 1991
Term

-AIDS is number one cause of death for US men 25-44

-250,000 cases

Definition
events of 1992
Term

-AIDS definition revised

-FDA approves female condom

Definition
events of 1993
Term

-AIDS leading cause of death in Americans 25-44

-500,000 cases

Definition
events of 1995
Term

-FDA approves viral load test

-HIV home test approved

-new AIDS diagnosis declines for first time

Definition
events of 1996
Term
-AIDS deaths decline by more than 40%
Definition
events of 1997
Term

-congress approves $156 million for AIDS funding

-first human trial for HIV vaccine

Definition
events of 1998
Term

-Clinton starts Millenium Vaccine Initiative

-Clinton signs Needle Stick Safety and Prevention Act

Definition
events of 2000
Term

-approval of OraQuick antibody test

-women make up about half of adults with HIV/AIDS

-AIDS leading cause of death 15-59years worldwide

Definition
events of 2002
Term
-Bush makes President's Emergency Plan for AIDS Relief
Definition
events of 2003
Term

-Obama calls for 1st National HIV/AIDS strategy

-Obama launches Global Health Initiative

Definition
events of 2009
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