A school nurse asks a class about the ways HIV can be transmitted. Which of the following comments by a student indicates a need for additional teaching?
"Having unprotected sex with someone who is infected spreads HIV."
"I wouldn't sit next to someone with HIV."
"Transfusions of blood products that are contaminated can spread HIV."
"Sharing needles when shooting up drugs spreads HIV."
The Correct Answer is B
A. "Having unprotected sex with someone who is infected spreads HIV." HIV is commonly transmitted through unprotected sexual contact with an infected person.
B. "I wouldn't sit next to someone with HIV." HIV is not transmitted through casual contact, such as sitting next to someone, hugging, or sharing food. This response reflects a misunderstanding and indicates a need for more education.
C. "Transfusions of blood products that are contaminated can spread HIV." Although rare in developed countries due to blood screening, contaminated blood transfusions can transmit HIV.
D. "Sharing needles when shooting up drugs spreads HIV." Sharing contaminated needles is a major risk factor for HIV transmission.
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Related Questions
Correct Answer is C
Explanation
A. A recent potluck that had a petting zoo: While petting zoos can be sources of zoonotic infections like E. coli or Salmonella, they are not associated with botulism, which comes from improperly processed foods.
B. A recent potluck that served spinach: Spinach can harbor bacterial infections like E. coli or Listeria, but it is not a common source of botulism unless improperly canned.
C. A recent potluck that served baked beans out of a bent can: Botulism is caused by Clostridium botulinum, a bacterium that produces neurotoxins in improperly canned, preserved, or stored foods. A bent or bulging can suggests contamination and potential toxin production, making it the most likely cause of botulism in this scenario.
D. A recent potluck that served pork products: Pork can transmit trichinosis (from undercooked meat) or bacterial infections (Salmonella, Listeria), but botulism is primarily linked to canned foods, not pork products.
Correct Answer is B
Explanation
A. Hepatitis B: Hepatitis B is a bloodborne disease, primarily spread through contact with infected bodily fluids, not through a vector.
B. Rocky Mountain spotted fever: Rocky Mountain spotted fever is a vector-borne disease transmitted by tick bites. Vectors are living organisms, such as mosquitoes or ticks, that carry infectious agents.
C. E. coli O157:H7: E. coli is a foodborne illness that spreads through contaminated food or water, not via a vector.
D. Anthrax: Anthrax is a bacterial infection that spreads through direct contact, ingestion, or inhalation of spores, not through a vector.
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