HIV

Question 1

How long after transmission is HIV detectible in the blood (RNA levels)?

Answer 1

10 days

Question 2

Eclipse phase

Answer 2

Time between infection and detectible HIV RNA. about 10 days.

Question 3

Window period

Answer 3

Time between infection and detectible HIV antibodies. Can be around 25 days.

Question 4

What does ELISA test for?

Answer 4

Antibodies.

Sensitive, but false positives

Question 5

The western blot is a _______ test.

Answer 5

Specific. Good for following up on a positive ELISA.

Question 6

What is the test for HBV?

Answer 6

Surface antibody and antigen

Question 7

1 killer of HIV individuals?

Answer 7

Heart disease
#2 is cancer

Question 8

CD4 < 200 = ?

Answer 8

AIDS

Question 9

Baby boomers should be screened for?

Answer 9

Hepatitis C antibodies

Question 10

HIV cutaneous manifestations

Answer 10

Molloscum Contagiosum (around eye)
Herpes simplex
Seborrheic Dermatitis
Shingles
Kaposi's Sarcoma

Question 11

HIV oral manifestations

Answer 11

Oral hairy leukoplakia
Oral Candidiasis
Herpes and Kaposi’s

Question 12

What is the prophylaxis for pneumocystis pneumonia?

Answer 12

Bactrim if CD4 below 200

Question 13

Prophylaxis for toxoplasma encephalitis?

Answer 13

Bactrim if CD4 below 100

Question 14

Prophylaxis for Disseminated Mycobacterium avium complex?

Answer 14

Azithro if CD4 < 50.

Question 15

AIDS opportunistic infection. Most common?

Answer 15

Cryptococcal meningitis

Tx= Amphotericin B and flucytosine

Question 16

Ring enhancing lesions on CT of brain =

Answer 16

Toxoplasmosis

Question 17

In Pneumocystis Pneumonia, what is the criteria for corticosteroids?

Answer 17

p02 < 70

Question 18

Criteria for starting antiretroviral therapy regardless of CD4 count.

Answer 18

Clinical AIDS
Pregnancy
Chronic HBV
HIVAN

Question 19

Never give efavirens to?

Answer 19

Pregnant ladies

Question 20

India ink stain =

Answer 20

cryptococcus