Question 1

The CD4 receptors on a helper T cell are attracted to

Accepted Answer

A)  GP 120 in HIV. 
B)  GP 41 in HIV. 
C)  p17 in HIV. 
D)  Ero 1 in HIV.

Question 2

Which of the following is TRUE of the possibility of contracting HIV through sexual transmission?

Accepted Answer

A)  The bottom partner is 13 times less likely to get infected than the top partner in unprotected sex. 
B)  The highest oral sex risk is to individuals (male or female) to whom an HIV-infected man ejaculates in his or her mouth. 
C)  Giving or receiving cunnilingus carries a higher chance than that from unprotected anal or vaginal sex with an HIV-positive person. 
D)  The risk of transmission through vaginal sex is very low when compared to closed-mouth or social kissing with an HIV-positive person.

Question 3

An HIV-infected person is most infectious when the viral load is the highest.

Accepted Answer

A) True 
 B)False

Question 4

Kaposi's sarcoma is a cancer of the lymphatic system that may affect the brain.

Accepted Answer

A) True 
 B)False

Question 5

CD4 count refers to the number of

Accepted Answer

A)  helper T cells present in a cubic millimeter of blood. 
B)  killer T cells present in a cubic milliliter of blood. 
C)  white blood cells present in the blood. 
D)  platelets in the blood.

Question 6

HIV can spread through mosquito bites.

Accepted Answer

A) True 
 B)False

Question 7

Your friend Dean has been battling HIV for several years. Recently you have noticed purple blotches appearing on his skin. He is most likely dealing with

Accepted Answer

A)  Mycobacterium avium-intracellulare infection. 
B)  Lou Gehrig's disease. 
C)  Pneumocystis carinii pneumonia. 
D)  Kaposi's sarcoma.

Question 8

Dominique thinks that she was exposed to HIV. When will the antibodies be detectable in her blood?

Accepted Answer

A)  1-2 years following exposure 
B)  15-20 weeks following exposure 
C)  4-5 years following exposure 
D)  3-8 weeks following exposure

Question 9

Harold is in the advanced phase of HIV infection and the number of HIV-infected cells in his body is high. During this phase, his T-cell count is likely to go down to

Accepted Answer

A)  between 200 and 500 per milliliter of blood. 
B)  less than 200 per milliliter of blood. 
C)  between 500 and 1,600 per milliliter of blood. 
D)  more than 500 per milliliter of blood.

Question 10

After a teenager in the neighborhood was diagnosed with HIV, Mark would not allow his teenage children to use the public toilets in that area fearing they could get infected too. Which of the following statements is true in this scenario?

Accepted Answer

A)  HIV could pass from an infected person to a healthy person through toilet seat covers. 
B)  HIV can be transmitted through the human feces of an infected person, and the father is wise to protect his children. 
C)  Although the virus cannot be transmitted through shared toilet seats, Mark is wise to be concerned since it can be transmitted through sink usage. 
D)  HIV is not transmitted through the usage of same toilet seats. Routes of HIV transmission are well-documented. There is no danger.

Question 11

AIDS refers to a "syndrome" because symptoms occur as a group.

Accepted Answer

A) True 
 B)False

Question 12

Studies have found that young persons who inject drugs (aged < 30 years) are at less risk for HIV than older users because young persons are less likely to share needles and engage in risky sexual behaviors.

Accepted Answer

A) True 
 B)False

Question 13

In a healthy immune system, antibodies function to

Accepted Answer

A)  create additional macrophages. 
B)  inactivate and mark antigens for destruction. 
C)  engulf foreign particles and destroy them. 
D)  signal the spleen to produce more leukocytes.

Question 14

Which of the following engulfs foreign particles?

Accepted Answer

A)  enzymes 
B)  plasma 
C)  macrophages 
D)  hormones

Question 15

Which of the following is considered to be the most risky sexual behavior?

Accepted Answer

A)  unprotected vaginal-penile sex 
B)  unprotected anal sex 
C)  fellatio 
D)  cunnilingus

Question 16

Which of the following is a characteristic of a virus?

Accepted Answer

A)  It is a protein-coated gene package. 
B)  It moves independently throughout the body. 
C)  It reproduces outside a host cell. 
D)  It alters its genetic structure to match with a host.

Question 17

Craig has engaged in unprotected sex with several partners. He has had a bad flu recently and wonders whether he should get tested for HIV. What should Craig do in this case?

Accepted Answer

The answer of Craig has engaged in unprotected sex with...

Question 18

Logan, a 40-year-old man, has had sex with multiple partners and has been tested HIV-positive. Logan experiences a sudden change in mood and his behavior becomes unpredictable. He also develops impairment in his mental and physical functioning. In the context of conditions associated with AIDS, identify the condition Logan is suffering from in this scenario.

Accepted Answer

A)  wasting syndrome 
B)  AIDS lymphoma 
C)  AIDS dementia 
D)  Kaposi's sarcoma

Question 19

Samantha, a 23-year-old woman, has tested positive for HIV. She observes red or purple blotches under her skin. In the context of conditions associated with AIDS, Samantha is most likely suffering from the condition called ________.

Accepted Answer

A)  pancreatic cancer 
B)  Kaposi's sarcoma 
C)  lymphoma 
D)  prostate cancer

Question 20

Courtney, a young professional, is sexually assaulted by her colleagues during an office party, and she is scared that she will get an HIV infection. She consults a doctor immediately, and the doctor advises her to take antiretroviral therapy. She takes the medication within 72 hours of the sexual assault and continues it for the next 28 days. In the context of prevention and treatment of HIV, which of the following options is prescribed to Courtney in this scenario?

Accepted Answer

A)  pre-exposure prophylaxis (PrEP) 
B)  consolidation therapy 
C)  post-exposure prophylaxis (PEP) 
D)  autologous immune enhancement therapy

Exam 16: Hiv and Aids

The CD4 receptors on a helper T cell are attracted to

Which of the following is TRUE of the possibility of contracting HIV through sexual transmission?

An HIV-infected person is most infectious when the viral load is the highest.

Kaposi's sarcoma is a cancer of the lymphatic system that may affect the brain.

CD4 count refers to the number of

HIV can spread through mosquito bites.

Your friend Dean has been battling HIV for several years. Recently you have noticed purple blotches appearing on his skin. He is most likely dealing with

Dominique thinks that she was exposed to HIV. When will the antibodies be detectable in her blood?

Harold is in the advanced phase of HIV infection and the number of HIV-infected cells in his body is high. During this phase, his T-cell count is likely to go down to

After a teenager in the neighborhood was diagnosed with HIV, Mark would not allow his teenage children to use the public toilets in that area fearing they could get infected too. Which of the following statements is true in this scenario?

AIDS refers to a "syndrome" because symptoms occur as a group.

Studies have found that young persons who inject drugs (aged < 30 years) are at less risk for HIV than older users because young persons are less likely to share needles and engage in risky sexual behaviors.

In a healthy immune system, antibodies function to

Which of the following engulfs foreign particles?

Which of the following is considered to be the most risky sexual behavior?

Which of the following is a characteristic of a virus?

Craig has engaged in unprotected sex with several partners. He has had a bad flu recently and wonders whether he should get tested for HIV. What should Craig do in this case?

Samantha, a 23-year-old woman, has tested positive for HIV. She observes red or purple blotches under her skin. In the context of conditions associated with AIDS, Samantha is most likely suffering from the condition called ________.