Question 8
(a)(i) What ia a drug? [3 marks]
(ii) List four classes of drugs that are commonly abused. [4 marks]
(b) A drug was prescribed to a patient to be taking two tablets twice daily. The patient, after a day decided to use four tablets thrice daily.
(i)What term could be used to describe the action of the patient? [1 mark]
(ii) State three likely consequences of the patient’s action [3 marks]
(iii) If the patient persisted on this act, state two behaviours that would be manifested [2 marks]
(iv) Give two possible ways by which the act of the patient could have been prevented[2 marks]
(c) Mention five sources of air pollution.. [5 marks]
This question was popular among the candidates and they did well in it. However, the classes of drugs
were difficult for some candidates to list.
Observation
The expected answers are:
(a)(i) Drug is any substance other than food; which by its chemical nature
affects the functions of the human body; physically or psychologically.
(ii) Class of drugs that are commonly abused
- Narcotics/barbiturates
- Sedative/hypnotics
- Hallucinogens
- Stimulants
- Tranquilizers/depressants
- Analgesic
(b)(i) Term to describe patient’s act
Drug abuse/Drug overdose
(ii) Consequence of patient’s act
- Destruction/damage of vital organs in the body
- Side effects /accidents/loss of appetite/named
- Addiction
- Drug tolerance /resistance to drugs
- Could lead to death
- Could lead to spread of disease
- Could lead to increased crime rate
(iii) Behaviours that would be manifested
- Drug addiction
- Drug dependence
- Self medication
- Increased crime rate
- Mental illness/psychosis/depression
(iv)Ways of preventing the act
- Health education/counseling
- Self discipline
- Proper documentation of prescription
- Drugs should be administered by medical experts
(c) Sources of Air pollution
- Fumes from frying
- Fumes from burning/bush burning
- Fumes from factories
- Fumes from exhaustpipes of engines/named
- Bad odours/smells from decaying materials/refuse dumps
- Overcrowding/excess production of CO2
- Dust
- Industrial/ factory effluents
- Natural sources/volcanic eruptions/cyclones
- Smoking
- War explosives/Radioactive emissions
- Mining fumes/effluents
- Agricultural practices/livestock wastes