In the field of public health and clinical nursing, few subjects are as dynamic and impactful as communicable and vector-borne diseases. From the resurgence of old threats to the emergence of new pathogens, staying ahead of the curve is a professional necessity. For students, this unit often represents a significant portion of the final grading, requiring a firm grasp of epidemiology, transmission cycles, and preventative strategies.
Below is the exam paper download link
Past Paper On Communicable And Vector Borne Diseases For Revision
Above is the exam paper download link
While the textbooks provide the theory, past papers provide the perspective. They help you understand how examiners frame clinical scenarios and which diseases are currently considered “high-yield” for testing. To jumpstart your revision session, we have compiled a set of essential questions and answers that frequently appear in professional health examinations.
Key Revision Questions and Answers
1. What is the difference between a “Mechanical Vector” and a “Biological Vector”? This is a fundamental distinction in disease transmission. A mechanical vector (like a housefly) simply carries a pathogen on its body from one place to another without being infected itself. A biological vector (like a mosquito or a tick) is actually infected; the pathogen undergoes part of its life cycle or multiplies within the vector’s body before being transmitted to a human host through a bite.
2. Describe the “Chain of Infection” and how to break it. The chain consists of six links: the infectious agent, the reservoir, the portal of exit, the mode of transmission, the portal of entry, and the susceptible host. Breaking any single link stops the spread. For example, using insecticide-treated nets (ITNs) breaks the mode of transmission link for Malaria, while vaccination reduces the number of susceptible hosts.
3. Why is “Contact Tracing” so vital in the management of Tuberculosis (TB)? TB is an airborne communicable disease. Because the bacteria can remain latent or asymptomatic for long periods, contact tracing allows health officials to identify people who have been exposed to an active case. By screening these individuals early, we can provide prophylactic treatment, preventing the further spread of the bacteria and reducing the community’s overall disease burden.
4. What are the hallmark symptoms of Cholera, and what is the primary cause of death? Cholera is characterized by sudden onset, profuse, “rice-water” stools and vomiting. The primary cause of death is not the bacteria itself, but hypovolemic shock resulting from extreme dehydration and electrolyte imbalance. In an exam, always prioritize rapid rehydration (Oral Rehydration Salts or IV fluids) as the most critical intervention.
5. How do environmental factors influence the prevalence of Vector-Borne Diseases? Climate change, urbanization, and stagnant water sources play huge roles. Higher temperatures can speed up the maturation of pathogens within vectors, while poor drainage systems in urban areas provide perfect breeding grounds for mosquitoes. During revision, consider how human activities—like deforestation or irrigation—alter the habitat of vectors like the tsetse fly or snails (Schistosomiasis).
Why Past Papers are Your Best Study Tool
Success in health science isn’t just about what you know; it’s about how quickly you can apply that knowledge to a patient’s case. Past papers challenge you to think on your feet. They force you to differentiate between diseases with similar symptoms and help you master the “public health approach” to disease control.
By incorporating these papers into your study routine, you’ll become familiar with the common “buzzwords” examiners look for and improve your ability to manage your time during the actual test.
Last updated on: March 16, 2026