16. Human health Questions And Answers

16. Human health Questions

1. a) Name the causative agent of cholera.

 b) Name the intermediate hosts in the life cycle of the following parasites;

i) Ascaris
lumbricoides.

ii) Schistosoma
haematobium.

 c) How does the parasite plasmodium
vivax gain entry into its host?

2. The graph below shows body temperature of a patient suffering from malaria

 (a) What symptom of the disease is shown in the graph?

 (b) Name the organism that causes malaria

 (c) Suggest one method of controlling spread of malaria

3. Name the causative agent of typhoid

4. Malaria is a common disease in Kenya:-

(a) What causes the disease?

 (b) State one control measure of the disease

5. a) Name the causative agents of the following disease in humans:-

 i) Typhoid;

 ii) Amoebic dysentery;

 b) Name the disease in human cased by plasmodium
falciparum

6. Below are diagrams of disease causing micro-organisms. Use them to answer the questions that follow:

 (a) State the kingdom to which they are found.

 (b) Name the diseases caused by the organisms: A and B (c) State one way in which the disease named for organism B can be prevented

7. Explain why it is important to go for voluntary counseling and testing (VCT) on HIV/AIDS

8. Name one human disease caused by each of the following parasites.

 (a) Plasmodium falciparum……………………………………………………

(b) Entamoeba histolytica …………………………………………………….

16. Human health Answers

1. a) Vibrio cholerae;

 b) i) Pig;

ii) Fresh water snail;

 c) Injected by a female anopheles mosquito;

2. (a) Fever;

(b) Plasmodium;

(c)- Uses of vaccines;

– Sleeping under treated mosquito nets

– Getting rid of stagnant water and bushes around residential areas;

– use of ant malarial drugs; (any 1^st correct)

3. Salmonella
typhii

4. a)plasmodium parasite;

 b)-drainage of poles that act as breeding grounds for mosquitoes;

– pools that cannot be drained should be sprayed with oil or insecticides to destroy mosquito

larvae;

– fish that feed on mosquito larvae may be introduced into such pools;

– tall grass and bushes which be cleared near human dwelling;

– visitors to areas where malaria is prevalent should take anti-malaria drugs;

5. (a) (i) Salmonella
typhii;

(ii) Entamoeba
histolytica;

 (b) Malaria

6. a) Protoctista;

 b) Cholera;

Syphilis;

 c) Use of condoms;

Abstinence;

Faithfulness to one partner;

7. To know HIV status; so as to take appropriate measures. If positive start medication/negative

avoid infection;

8. a) malaria;

 b) Amoebic dysentery/ Amoebiasis;