A-level Chapter 10 Infectious Disease

Name and type of causative agent of cholera.

• Human Immunodeficiency Virus - Virus

• Mycobacterium bovis - bacterium

• Vibrio cholerae - bacterium

• Plasmodium falciparum - Protoctist

Name and type of causative agent of malaria

• Plasmodium ovale - Protoctist

• Mycobacterium tuberculosis - Bacterium

• HIV - virus

• Plasmodium vivax - Bacterium

Which disease is caused by a bacterium and can be spread by airborne droplets?

• Cholera

• Malaria

• Tuberculosis

• HIV/AIDS

Smallpox has been eradicated, but malaria and cholera have not. Which of the following statements correctly explain this?

• Cholera pathogens in the intestines are not destroyed by antibiotics.

• Plasmodium antigens change during the life cycle.

• Vaccines only work against viruses.

Which of the following are correct for tuberculosis?

• airborne transmission

• virus

• rash

• racking cough

Which of these terms can be used to describe the role of mosquitoes in the transmission of malaria?

1. malaria parasite

2. pathogen

3. vector

• 1, 2, 3

• 1, 3

• 1, 2

• 3

Why do people with HIV/AIDS have a higher occurrence of malaria than people without HIV/AIDS?

• HIV/AIDS and malaria are both diseases where the pathogen travels in blood.

• HIV/AIDS and malaria are both transmitted in blood.

• HIV/AIDS infects T-lymphocytes which are used by the malaria pathogen.

• HIV/AIDS suppresses the immune response to the malaria pathogen.

Which list contains only infectious diseases?

• cholera, HIV/AIDS, lung cancer and malaria

• cholera, malaria, tuberculosis (TB) and sickle cell anaemia

• HIV/AIDS, malaria, cholera and tuberculosis (TB)

• lung cancer, malaria, sickle cell anaemia and tuberculosis (TB)

Which disease is caused by a eukaryote?

• Cholera

• Malaria

• HIV infection

• Tuberculosis

Which factors affect the distribution of the disease malaria?

1. draining swamps 2. vaccination

3. antibiotics 4. migration of people due to conflict

5. climate

• 1, 2, 4

• 1, 4, 5

• 2, 3, 5

• 3, 4, 5