Whic of the following diseases is caused by a protozoan?

1. Syphilis

2. Influenza

3. Babesiosis

4. Blastomycosis

Common cold differs from pneumonia in that

1. pneumonia is a communicable disease, whereas the common cold is a nutritional

deficiency disease

2. pneumonia can be prevented by a live attenuated bacterial vaccine, whereas the

common cold has no effective vaccine

3. pneumonia is caused by a virus, while the common cold is caused by the bacterium

Haemophilus influenzae

4. pneumonia pathogen infects alveoli whereas the common cold affects nose and

respiratory passage but not the lungs

Which of the following is a pair of viral diseases ?

1. Ringworm, AIDS

2. Common cold, AIDS

3. Dysentery, common cold

4. Typhoid, tuberculosis

Which of the following statements is correct?
A. Common cold - Droplet Infection.
B. Typhoid - Contaminated food & water.
C. AIDS - Shaking hands.
D. Ringworm - Using infected towels.
1. A and B
2. C and D
3. A and C
4. A, B and D

The most infectious human ailment caused by a virus is

1.    Common cold

2.    AIDS

3.   Pneumonia

4.   Lung cancer