Section A — 1 Mark Questions
1. Define health in a dynamic sense. [1 Mark]
Answer: Health is a dynamic state of physical, mental, and social well-being, not merely the absence of disease or infirmity.
2. Name one socio-economic factor influencing health. [1 Mark]
Answer: Income level or education status.
3. What is the causative agent of Typhoid? [1 Mark]
Answer: The bacterium Salmonella typhi.
4. Identify the vector that transmits Malaria. [1 Mark]
Answer: The female Anopheles mosquito.
5. What is the primary organ affected in Hepatitis? [1 Mark]
Answer: The liver.
6. Name one method to prevent Diarrhea. [1 Mark]
Answer: Maintaining personal hygiene such as frequent handwashing.
7. What kind of disease is Dengue? [1 Mark]
Answer: It is a vector-borne viral disease.
8. Which mosquito acts as the vector for Chikungunya? [1 Mark]
Answer: Aedes aegypti or Aedes albopictus.
9. Why is health considered dynamic? [1 Mark]
Answer: Because it fluctuates continuously based on environmental and lifestyle changes.
10. What is a common symptom of Jaundice? [1 Mark]
Answer: Yellowing of the skin and eyes.
11. How is Typhoid primarily transmitted? [1 Mark]
Answer: Through contaminated food and water.
12. What is the impact of poor health on socio-economic development? [1 Mark]
Answer: It reduces labor productivity and slows economic growth.
13. List one preventive measure for Malaria. [1 Mark]
Answer: Use of insecticide-treated mosquito nets.
14. What is the cause of Chikungunya? [1 Mark]
Answer: The Chikungunya virus.
15. What type of disease is Diarrhea? [1 Mark]
Answer: A communicable gastrointestinal disease.
16. Does clean drinking water reduce the risk of Hepatitis? [1 Mark]
Answer: Yes, it helps prevent water-borne transmission.
17. Name the vector for Dengue fever. [1 Mark]
Answer: Aedes mosquito.
18. Is Malaria a communicable disease? [1 Mark]
Answer: Yes, it is a communicable disease transmitted via vectors.
19. What does health-education promote? [1 Mark]
Answer: Awareness and healthy behavioral changes.
20. Why is standing water dangerous regarding vectors? [1 Mark]
Answer: It serves as a breeding ground for mosquitoes.
Section B — 2/3 Mark Questions
1. Explain the relationship between health and socio-economic development. [2 Marks]
Answer: A healthy population is more productive, which directly contributes to economic output. Conversely, poor health levels can lead to high healthcare costs and loss of workforce, hindering national development.
2. List three major factors influencing health. [3 Marks]
Answer: 1. Environmental factors (sanitation/water). 2. Socio-economic factors (education/income). 3. Lifestyle and behavioral choices (diet/exercise).
3. Compare the transmission of Malaria and Typhoid. [3 Marks]
Answer: Malaria is a vector-borne disease transmitted by the bite of an infected Anopheles mosquito. Typhoid is a water-borne disease transmitted by consuming food or water contaminated with feces containing Salmonella typhi bacteria.
4. Why is health defined as dynamic? [2 Marks]
Answer: Health is dynamic because an individual's status changes continuously. A person may transition from being healthy to being ill or injured based on changing environmental, psychological, and physiological conditions.
5. Describe two preventive methods for Dengue. [2 Marks]
Answer: 1. Eliminating standing water where mosquitoes breed. 2. Using protective clothing and mosquito repellents to avoid bites.
6. Briefly explain the cause of Jaundice (Hepatitis). [2 Marks]
Answer: Hepatitis is often caused by viral infections that inflame the liver. This inflammation impairs the liver's ability to process bilirubin, leading to the yellow discoloration of tissues.
7. How can community awareness prevent communicable diseases? [3 Marks]
Answer: Awareness campaigns teach individuals how to maintain hygiene, avoid vector habitats, and recognize symptoms early. This collective knowledge leads to better prevention practices, reducing the spread of diseases within the community.
8. What are the primary symptoms associated with Chikungunya? [2 Marks]
Answer: The primary symptoms include high fever and severe, debilitating joint pain, which may persist for weeks or months.
9. How does sanitation impact the spread of Diarrhea? [3 Marks]
Answer: Proper sanitation practices, such as safe waste disposal and access to clean water, prevent fecal-oral contamination. Without these, pathogens responsible for diarrheal diseases can easily enter the food and water supply, leading to rapid spread.
10. State the significance of vector control. [2 Marks]
Answer: Vector control is vital because it disrupts the life cycle of disease-carrying insects. By reducing the number of vectors, the transmission rate of diseases like Malaria and Dengue is significantly minimized.
Section C — 5 Mark Questions
1. Explain the concept of health and the factors influencing it. [5 Marks]
Answer: Health is not merely the absence of disease; it is a holistic state of complete physical, mental, and social well-being. It is characterized as a dynamic process because an individual’s health status is in constant flux, influenced by internal and external variables. Several key factors impact this state:
- Environmental Factors: Access to clean water, sanitation, and air quality directly affects health outcomes.
- Socio-economic Factors: Economic status often determines access to healthcare, nutritious food, and safe living conditions.
- Education: Awareness leads to better decision-making regarding personal hygiene and preventive measures.
- Biological Factors: Genetics and immunity play a role in susceptibility to certain illnesses.
- Lifestyle Choices: Dietary habits, physical activity levels, and avoidance of harmful substances like tobacco or alcohol are crucial determinants of long-term health.
2. Discuss the transmission, symptoms, and prevention of Malaria. [5 Marks]
Answer: Malaria is a significant vector-borne disease prevalent in many tropical regions.
Transmission
It is transmitted to humans through the bite of an infected female Anopheles mosquito, which carries Plasmodium parasites.Symptoms
The disease typically presents with high, recurring fever, chills, profuse sweating, and headaches. If left untreated, it can cause severe anemia or organ failure.Prevention
Efforts must focus on vector control:- Eliminating Breeding Sites: Clearing stagnant water in containers, gutters, and ponds.
- Protection: Using insecticide-treated mosquito nets (ITNs) while sleeping.
- Environmental Management: Installing screens on doors and windows.
- Repellents: Applying insect repellents to skin and wearing long-sleeved clothing during peak mosquito activity.
3. Elaborate on the causes and prevention of common water-borne diseases: Typhoid and Diarrhea. [5 Marks]
Answer: Both Typhoid and Diarrhea are primarily caused by the ingestion of contaminated water or food.
Causes
Typhoid is caused by the bacterium Salmonella typhi, which contaminates water sources through inadequate sewage disposal. Diarrhea is often caused by various viruses, bacteria, or parasites transmitted via the fecal-oral route due to poor hygiene.Prevention Strategies
- Water Purification: Boiling, filtering, or using chemical disinfection to ensure drinking water is safe.
- Hygiene Practices: Promoting frequent handwashing with soap, especially before eating and after using the toilet.
- Sanitation: Improving waste management systems to prevent the contamination of water sources with human waste.
- Food Safety: Ensuring fruits and vegetables are washed properly and food is stored in hygienic conditions to prevent bacterial growth.
4. Describe the nature, symptoms, and prevention of Dengue and Chikungunya. [5 Marks]
Answer: Dengue and Chikungunya are both viral diseases transmitted by the Aedes mosquito, which typically bites during the day.
Nature of Diseases
Dengue is characterized by viral infection affecting the blood and immune system, while Chikungunya is known for its intense inflammatory impact on the joints.Symptoms
Dengue symptoms include sudden high fever, severe headache, pain behind the eyes, and body rashes. Chikungunya is distinguished by acute, debilitating joint pain that can be extremely painful and persistent.Prevention Measures
- Vector Control: Reducing mosquito populations by eliminating breeding spots like standing water in tires, flowerpots, and tanks.
- Protective Measures: Wearing clothing that covers most of the body.
- Barrier Protection: Using window screens and indoor insecticides to prevent mosquito entry.
- Community Action: Engaging in neighborhood clean-up campaigns to remove potential mosquito habitats.
5. Analyze the importance of health education in socio-economic development. [5 Marks]
Answer: Health education is the backbone of public health, serving as the bridge between medical knowledge and individual practice.
The Role of Health Education
It empowers individuals with the knowledge required to take control of their health. By understanding how diseases are transmitted, communities can adopt better hygiene and safety protocols.Impact on Socio-economic Development
- Productivity: A healthier workforce has fewer sick days, leading to higher efficiency and sustained economic output.
- Cost Reduction: Preventive health education reduces the burden on public healthcare systems, allowing governments to reallocate funds to other development sectors like education or infrastructure.
- Poverty Alleviation: Families are less likely to fall into debt due to catastrophic medical expenses if they maintain good health practices.
- Quality of Life: Improved health directly translates to better living standards and a more vibrant society.