Which of the following best represents an example of infectious disease spreading via a vector?
Being bitten by an infected mosquito
A group of partygoers hugging and shaking hands
Disease spreading from infected mother to infant via the placenta
Two persons, one of whom is infected, sharing a glass of soda
The Correct Answer is A
A. Being bitten by an infected mosquito: A vector is an organism (e.g., a mosquito, tick, or flea) that transmits pathogens from one host to another. Mosquitoes transmit diseases like malaria, dengue fever, and Zika virus.
B. A group of partygoers hugging and shaking hands: This describes direct contact transmission, not vector-borne transmission.
C. Disease spreading from infected mother to infant via the placenta: This describes vertical transmission (from mother to child during pregnancy), not vector-borne transmission.
D. Two persons, one of whom is infected, sharing a glass of soda: This describes indirect contact transmission through fomites (contaminated objects), not vector-borne transmission.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Reassure the student that it is just a bad cold and will soon pass: This dismisses the symptoms and delays necessary public health intervention.
B. Inform all students, staff, and faculty of a possible measles exposure: Koplik spots (small white spots inside the cheeks) are a classic early sign of measles, which is highly contagious. Prompt notification is needed to prevent an outbreak.
C. Inform all students, staff, and faculty of a possible rubella epidemic: While rubella also causes a rash, it does not present with Koplik spots.
D. Tell the student to take two acetaminophen and drink lots of fluids: Symptomatic relief is important but does not address the risk of measles transmission.
Correct Answer is A
Explanation
A. Elevated growths with a "cauliflower" appearance: HPV lesions, or genital warts, present as raised, rough-textured growths resembling a cauliflower, often found in the genital and anal areas.
B. Thin-walled pustules that rupture to form honey-colored crusts: This describes impetigo, a bacterial skin infection, not HPV.
C. Vesicles that ulcerate and crust within 1 to 4 days: This describes herpes simplex virus (HSV) lesions, which differ from HPV warts in appearance and progression.
D. Solitary growth with elevated borders and a central depression: This describes basal cell carcinoma, not HPV-related lesions.
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