Match List - I with List - II and select the correct answer using code given below:

List - I
A. Itch mite
B. House fly
C. Mosquito
D. Sand fly

List - II

Dengue

Kala-azar

Scabies

Typhoid fever

Appeared in: UPPSC 2022

Explanation

The Itch mite (Sarcoptes scabiei) is an ectoparasite that burrows into the skin, causing the infestation known as Scabies.
The House fly acts as a mechanical vector, physically transferring bacteria like Salmonella typhi from contaminated matter to food, which can cause Typhoid fever.
The Aedes species of mosquito is a biological vector that transmits the virus responsible for Dengue fever through its bite.
The Sand fly is the vector for the protozoan parasite Leishmania donovani, which causes the disease Kala-azar (visceral leishmaniasis).

Option A: This option incorrectly matches Itch mite with Typhoid fever and House fly with Scabies. Typhoid is a bacterial infection transmitted by flies, not mites. Scabies is a skin infestation caused by mites, not transmitted by flies.
Option C: This option incorrectly matches all pairs. It links Itch mite to Kala-azar, House fly to Scabies, Mosquito to Typhoid fever, and Sand fly to Dengue. None of these pairings are correct.
Option D: This option incorrectly matches Itch mite with Dengue and Mosquito with Scabies. Dengue is a viral disease transmitted by mosquitoes, not mites. Scabies is caused by mites, not transmitted by mosquitoes.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Vector-Borne Diseases and Their Causative Agents as background academic context rather than a clinical decision trigger.
Understanding vector-disease links is crucial for nurses in community health to implement targeted prevention strategies like sanitation, personal protection, and health education.
For instance, identifying a scabies outbreak requires contact tracing and simultaneous treatment, while preventing dengue requires eliminating mosquito breeding sites.
What if? If a patient presents with fever and a rash after traveling to a dengue-endemic area, the nurse's primary suspicion should be a mosquito-borne illness, not scabies, guiding appropriate diagnostic questions and precautions.

How to Approach the Question

This is a 'Match the Following' question, a type of factual recall question.
First, read both lists carefully to understand the categories (Vectors and Diseases).
Try to match the items you are most confident about first. For example, most people know mosquitoes transmit dengue (C-1).
Use this confirmed pair (C-1) to eliminate options that don't have it. Both Option A and B have C-1.
Next, match another pair. Itch mite causing scabies (A-3) is another common association.
Check the remaining options. Only Option B has both A-3 and C-1. This confirms it as the correct answer without needing to match all pairs, saving time.

Concept Tested & Keywords

Concept Tested: Vector-Borne Diseases and Their Causative Agents
Stem keywords: Itch mite, House fly, Mosquito, Sand fly, Dengue, Kala-azar, Scabies, Typhoid fever
Lead-in keywords: Match List - I with List - II
Negative lead-in flag: false

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart B (pp 233-449 of 464) p. 84-86

E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart A (pp 1-275 of 550) p. 2-4

E6 Microbiology Applied AnjuDhir 3e Part 2 p. 60-62

Practise the full UPPSC 2022

Attempt every question from this paper in a timed mock, then review the full solution for each one.