Health Education Questions and Answers - Grade 7 Mid Term 2 Exams 2023 Set 3

QUESTIONS

1. Write the meaning of macronutrients. (1 mark)
2. Name 2 examples of micronutrients. (2 marks)
3. State the function of the following nutrients in the body. (2 marks)
   1. Vitamin A
   2. Iron
4. Amina would wish to buy some food that is rich in Vitamin C and Phosphorous. What would you advise her to buy? (2 marks)
   • Vitamin C
   • Phosphorous
5. Write the cause of the following deficiency disorders. (2 marks)
   • Marasmus
   • Night blindness
6. Almasi, a grade 7 learner, was sick with the following signs and symptoms.
   • Swollen in the lower front part of the neck.
   • Feeling of tightness in the throat.
   • Difficulty when swallowing.
   • Hoarseness of voice.
     1. It is likely that Almasi was suffering from (1 mark)
     2. Write two ways of preventing the disease mentioned in 'a' above. (2 marks)
7. State one intervention measure for preventing macronutrient and micronutrient deficiencies that can be carried out by the following. (3 marks)
   1. Family
   2. Community
   3. Government
8. Why is it important to eat a diet rich in dietary fibre? (1 mark)
9. List three benefits of water in the diet. (3 marks)
10. What is the meaning of 'a body system'? (1 mark)
11. Name any three body systems. (3 marks)
12. What is digestion? (1 mark)
13. After chewing food, the tongue moulds the food into small balls known as (1 mark)
14. ................................................is the process by which muscles of the oesophagus contract and relax to push food down to the stomach. (1 mark)
15. Write the function of the following pats in digestion. (3 marks)
    1. Mouth
    2. Rectum
    3. Stomach
16. Describe the meaning of 'excretion'. (1 mark)
17.  The excretory system is made up of...............................................and..............................................(3 marks)
18. Explain how the skin regulates body temperature. (2 marks)
19. During a Health Education lesson, grade 7 learners from Jumbo JSS discussed common skin conditions and diseases. If you were in that class, what would you have mentioned as ways of preventing ringworms? (2 marks)
20. Omwenga was asked to write the function of the cardiac muscles and coronary vessels. What are the answers that he is likely to have written? (2 marks)
    • cardiac muscles
    • coronary vessels
21. What is the other name of 'high blood pressure'? (1 mark)
22. Draw the heart in the space provided and show the positioning of the aorta, vena cava, pulmonary artery and pulmonary vein. (4 marks)
23. Write two causes of heart attack. (2 marks)
24. What is 'stroke' as a condition of the related to the circulatory system (1 mark)
25. Juma and his friends discussed ways of preventing common conditions and diseases of the heart. Write three ways that they are likely to have discussed. (3 marks)

MARKING SCHEME

1. They are nutrients that the body requires in large amounts
2. Examples of vitamins and minerals
3. Vitamin A-prevents night blindness, maintains good eyesight
   Iron-helps in formation of blood. prevents anaemia
4. Vitamin C-oranges, pineapples, lemons, grapes, green vegetables etc
   Phosphorous-milk, cheese, butter, kidney, nuts, legumes, vegetables, grains
5. Marasmus-caused by inadequate Intake of all nutrients caused by lack of
   Night blindness vitamin A in the body
6. golter using lodised salt, eating seafood
7. evaluate any appropriate answer
8. It prevents constipation
9. cleans digestive system, prevents constipation, helps the digestive system to absorb nutrients efficiently
10. It is a group of organs that work together to perform a specific function in the body
11. digestive system, circulatory systeml, excretory system, reproductive system
12. It is the process of breaking down food into smaller particles/ substances that can be used by the body cells
13. boluses
14. peristalsis
15. mouth-chewing of food, mixing of food with saliva, digestion of food sto
    rectum temporary storage of faeces stomach-digestion of food (proteins)
16. It is the process of removing waste products from the body
17. the skin, kidneys and lungs
18. During hot weather, the skin sweats and as the sweat evaporates from the skin, it cools the body. During cold weather, the layer of fat in the skin prevents loss of heal from the body.
19. keep the skin dry and clean, avoid sharing personal items, do not share beddings and clothes with an infected person, avoid skin contact with an infected person
20. cardiac muscles-they enable the heat to beat by contracting and relaxing
    coronary vessels they supply bipod to the muscles of the body
21. hypertension
22. Assess Illustration of the heart showing aorta, vena cava, pulmonary artery. pulmonary vein
23. lack of exercise/ eating food high In sodium, sugar and fat drug abuse like alcohol, tobacco/ obesity/ old age family history (hereditary)/ diabetes and high blood pressure
24. It is a condition in which the supply of blood to a part of the brain becomes out off
25. doing daily physical exercise, eating a healthy diet, maintaining healthy weight, avoiding drug and substance abuse, getting enough sleep and rest, going for regular medical check-ups