- Zane, a 26-year-old male, came upon a car accident and immediately started to help the victims, who were
pinned in their car. There was blood all over the scene and Zane acted without having any personal protective
equipment. While helping the victims, he cut his arms in several places on the sharp metal and shards of glass.
A few weeks later, he developed flu-like symptoms that persisted for several days. He went to his clinic and
tested negative for influenza.
Because of his recent exposure, Zane’s doctor was suspicious of blood borne pathogens. Which of the
following disorders are blood-borne diseases?
HIV infection
Hepatitis A
Cirrhosis
Leukemia - Lab tests confirm the presence of HIV antibodies in Zane’s blood. Briefly describe why there are antibodies
present. - Briefly define “autoimmunity” and “immunodeficiency” in your own words. Which of these conditions is Zane
more likely to develop?
Question 4 - During the primary HIV infection, which of the following cells decreases in number?
T-cells
B-cells
Natural killer cells
Phagocytes
Question 5 - Which of the following statements is true?
HIV typically causes AIDs within the first year of exposure.
AIDs is caused by depletion of B-cells.
The cause of death for a patient with AIDS is usually an opportunistic infection.
HIV is treated with antibiotics.
Question 6 - HIV is a retrovirus. Briefly describe how a retrovirus is different from other viruses.
For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
Question 7 - Zane is worried about passing the virus to his friends and family. Which of the following bodily fluids can
transmit HIV? (Select all that apply.)
Blood
Tears
Feces
Sputum
Sweat
Semen
Question 8 - Which of the following is NOT a symptom of acute HIV infection?
Fever
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Large, tender lymph nodes
Throat inflammation
Numbness
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