2024HSCMultiple choice
Q8
1 mark
Question
Trypanosomes (Trypanosoma brucei) are protozoans that cause African sleeping sickness in humans. The diagram shows the way that the disease is transmitted to humans.
Which row of the table identifies the pathogen, vector and method of disease transmission to humans?
| Pathogen | Vector | Method of disease transmission | |
|---|---|---|---|
| A. | Trypanosomes | Tsetse fly | Direct |
| B. | Tsetse fly | Cow | Direct |
| C. | Trypanosomes | Tsetse fly | Indirect |
| D. | Tsetse fly | Cow | Indirect |

Syllabus alignment
Module 7 · Infectious Disease
- Causes of Infectious DiseaseDescribe infectious diseases caused by microorganisms, macroorganisms and non-cellular pathogens.
- Causes of Infectious DiseaseInvestigate direct-contact, indirect-contact and vector transmission.