HIV (Human Immunodeficiency Virus) is a virus that attacks cells in the immune system (the body's natural defense against illness). HIV destroys a type of white blood cell in the immune system called a T-helper cell (also referred to as a CD4 cel) and uses these cells to make copies of itself, gradually weakening a person's immune system. This means that someone who has HIV will find it harder and harder to fight off infections and diseases. If not treated, HIV can lead to AIDS (Acquired Immunodeficiency Syndrome), which is the final stage of HIV infection. Some people have HIV for years before they know they have it. Symptoms of HIV may not appear for a decade or longer, but people with HIV can still transmit (pass on) the virus through the exchange of bodily fluids (semen, vaginal secretion, blood). Pre-Lab Question #1: What is the relationship between HIV and AIDS? Pre-Lab Question #2: Describe one specific way that HIV makes the body unable to deal with other pathogens. · I Objective The purpose of this lab is to demonstrate the rate at which a virus can be transmitted through a population. This lab models the progression of the infection as HIV spreads throughout the class. Each student will receive a cup that represents his/her body fluids. One student's cup will be "infected" with a chemical that will represent the HIV Virus. The class will then engage in a simulation representing risky behavior (unprotected sex, intravenous drug use, etc.) known to be the most common forms of HIV transmission. After a designated number of rounds, the spread of the "virus" will be measured using a pH indicator. Pre-Lab Question #3: What is the role of the indicator in this lab? Rules of the Activity Fach student gets a cup half filled with fluid. The fluid represents body fluids (for example, blood, semen, or vaginal
HIV (Human Immunodeficiency Virus) is a virus that attacks cells in the immune system (the body's natural defense against illness). HIV destroys a type of white blood cell in the immune system called a T-helper cell (also referred to as a CD4 cel) and uses these cells to make copies of itself, gradually weakening a person's immune system. This means that someone who has HIV will find it harder and harder to fight off infections and diseases. If not treated, HIV can lead to AIDS (Acquired Immunodeficiency Syndrome), which is the final stage of HIV infection. Some people have HIV for years before they know they have it. Symptoms of HIV may not appear for a decade or longer, but people with HIV can still transmit (pass on) the virus through the exchange of bodily fluids (semen, vaginal secretion, blood). Pre-Lab Question #1: What is the relationship between HIV and AIDS? Pre-Lab Question #2: Describe one specific way that HIV makes the body unable to deal with other pathogens. · I Objective The purpose of this lab is to demonstrate the rate at which a virus can be transmitted through a population. This lab models the progression of the infection as HIV spreads throughout the class. Each student will receive a cup that represents his/her body fluids. One student's cup will be "infected" with a chemical that will represent the HIV Virus. The class will then engage in a simulation representing risky behavior (unprotected sex, intravenous drug use, etc.) known to be the most common forms of HIV transmission. After a designated number of rounds, the spread of the "virus" will be measured using a pH indicator. Pre-Lab Question #3: What is the role of the indicator in this lab? Rules of the Activity Fach student gets a cup half filled with fluid. The fluid represents body fluids (for example, blood, semen, or vaginal
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter17: Genes And The Immune System
Section: Chapter Questions
Problem 30QP
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Can you please do Q1,Q2 AND Q3? Please ?
Transcribed Image Text:Introduction
HIV (Human Immunodeficiency Virus) is a virus that attacks cells in the immune system (the body's natural defense
against illness). HIV destroys a type of white blood cell in the immune system called a T-helper cell (also referred to as
a CD4 cell) and uses these cells to make copies of itself, gradually weakening a person's immune system. This means
that someone who has HIV will find it harder and harder to fight off infections and diseases, If not treated, HIV can lead
to AIDS (Acquired Immunodeficiency Syndrome), which is the final stage of HIV infection. Some people have HIV for
years before they know they have it. Symptoms of HIV may not appear for a decade or longer, but people with HIV can
still transmit (pass on) the virus through the exchange of bodily fluids (semen, vaginal secretion, blood)
Pre-Lab Question #1: What is the relationship between HIV and AIDS?
Pre-Lab Question #2: Describe one specific way that HIV makes the body unable to deal with other pathogens.
Objective
The purpose of this lab is to demonstrate the rate at which a virus can be transmitted through a population. This lab
models the progression of the infection as HIV spreads throughout the class. Each student will receive a cup that
represents his/her body fluids. One student's cup will be "infected" with a chemical that will represent the HIV Virus.
The class will then engage in a simulation representing risky behavior (unprotected sex, intravenous drug use, etc.)
known to be the most common forms of HIV transmission. After a designated number of rounds, the spread of the
"virus" will be measured using a pH indicator.
Pre-Lab Question #3: What is the role of the indicator in this lab?
Rules of the Activity
A. Each student gets a cup half filled with fluid. The fluid represents body fluids (for example, blood, semen, or vaginal
secretions). All cups contain distilled water except for one. This one cup represents fluid that contains a virus
(HIV).
B. A role card is attached to each cup. This identifies a behavioral role (telling when and with whom you can exchange
body fluids).
C. When you exchange body fluids, use your pipette to remove some of your fluid and deposit in the cup of the other
person. You should receive back an equal amount of fluid.
D. You must ask the other person for permission to exchange fluids. You may NOT tell the other person what your
role is.
E. You can exchange fluids only if the exchange is in keeping with your behavioral role as stated on your role card.
F. After a short period of time exchanging fluids, it will be time to get tested for "HIV. One student will assume the role
of a doctor who will administer an "HIV test to each student.
Roles
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