1. Which statement best describes influenza? a. A viral infection of the respiratory system characterized by fever, sore throat, loss of appetite, joint pains and some cases diarrhea
b. A contagious infection of the lungs that affects children and elderly
C. A respiratory disorder characterized by wheezing sound and breathing difficulty
d. A fast and explosive release of air from the lungs
2. Which is NOT a respiratory disease caused by poor environmental sanitation? a. asthma
b. tuberculosis
C. SARS-CoV-2
d. dengue fever
3. Which of the following is an effective way of preventing respiratory diseases?
a. Keeping the surroundings clean b. Sleeping past midnight
c. Throwing garbage everywhere
d. Eating junk foods
4. Which of the following is NOT effective way of preventing the spread of diseases caused by mosquitoes?
a. Change stagnant water on a regular basis.
b. Use screen doors and windows.
c. Stock old tires and containers in open grounds.
d. Use mosquito nets. 5. Which of the following is a vector-borne disease that is NOT caused by mosquitoes?
