Dr. Johns HIV

Question 0

How long after infection do you see symptoms resembling mononucleosis?

Answer 0

6-12 weeks

Question 1

Where is the first site of attachment of HIV1?

Answer 1

CD4 antigen

Question 2

How long into infection are HIV antibody tests often negative?

Answer 2

3-6 months

Question 3

What count level puts an individual at significantly increased risk of opportunistic infection?

Answer 3

<500

Question 4

What four diseases are often good predictors of HIV infection?

Answer 4

Shingles
Thrush
Oral hairy leukoplasia
Kaposi’s sarcoma

Question 5

This manifests as bluish-red oval-shaped patches that may eventually become thickened. Lesions may appear singly or in clusters.

Answer 5

Kaposi’s Sarcoma

Question 6

The advance HIV disease CD4 count cutoff is

Answer 6

200

Question 7

What diseases are commonly seen in patients with advanced HIV disease?

Answer 7

Pneumocystis carinii pneumonia (PCP)
Cryptococcal meningitis
Toxoplasmosis

Question 8

Most deaths occur of CD4 count is below…

Answer 8

50

Question 9

First antibodies that are detectable are against:

Answer 9

p24, p55

Question 10

After the first two antibodies are detectable, what are the next antibodies that can be found?

Answer 10

p51, p120, gp41

Question 11

What testing procedure is used for diagnosis?

Answer 11

ELISA

Question 12

What testing procedure is used for confirming diagnosis?

Answer 12

Western blot

Question 13

What can cause false positives for ELISA tests?

Answer 13

Alcoholism
syphilis
immunoproliferative disease
AI disease

Question 14

CDC require what from Western blot analysis to confirm diagnosis?

Answer 14

Two presents bands of:
p24
gp41
gp120/160

Question 15

What is the most common opportunistic infection during HIV infection?

Answer 15

Pneumocystis

Question 16

What stain is used to diagnose pneumocystis?

Answer 16

Silver stain