3 - The elimination

Level 3

The elimination

By Group 3 (YB-16)

Level 3 - The Elimination

Semi-final round

This level is consists of 5 questions​ and you only have 1 minute to answer each. choose the best answer from the choices provided.

• at the end of each question, the player who has the least score will be eliminated

The 3 remaining players will move on to the final round

​

secure your spot, Players!

Secure your spot!

Multiple Choice

which of the following is true about Koch's postulates;

1. The organism causing the disease can be found in sick individuals and in healthy ones

2. The organism can be isolated and grown in pure culture.

3. The organism must be recovered from the infected animal and shown to be the same as the organism that was introduced.

4. The organism must be recovered from the infected animal and shown to be the same as the organism that was introduced.

• 2, 3 , 1 are false

• all are true

• only 2 and 4 are true

• 4, 2, and 3 are true

Multiple Choice

Which of the following is true about the Occurrence of Disease?

a. Sporadic refers to a disease that occurs infrequently and irregularly

b. Endemic is the constant presence and usual prevalence of disease in a population within a geographic area

c. Epidemic refers to an increase, often sudden, in the number of cases of a disease

d. Pandemic refers to an epidemic that has spread over several countries

• all are false

• all are true

• some are true, some are false

• most of the statements are false

Multiple Choice

The world health organization (WHO) has come up with guidelines for the proper use of gloves, some of the recommendations include;

1. Gloves are not meant to replace observance of proper hand hygiene

2. re-using of gloves after decontamination is not recommended

3. gloves must be removed after caring for the patient

4. gloves must only be worn if contact with blood and body fluids only

• all are true

• some are false, but most of the statement are true

• fourth statement is false

• all are false

Multiple Choice

Microbes are classified into three groups based on their temperature requirements, namely;

1. Thermophiles

2. Heterophiles

3. Mesophiles

4. Psychrophiles

5. Thersophiles

• 4, 3, 2, and 1

• 3, 1 and 2

• 1, 3 and 4

• 3, 4, and 2

Multiple Choice

There are several properties that an antigen must possess to make it immunogenic. These include;

1. chemical composition and complexity

2. mode of exit of the antigen

3. foreignness and genetic composition

4. molecular size and stability

• 1, 3, and 4

• 4 and 2 only

• 2 only

• 1, 2, 4, and 3

Multiple Choice

which of the following are FALSE about the features of Fungi and Bacteria;

1. Fungi usually reproduce both sexually and asexually, whereas bacteria is through binary fission

2. Fungi are unicellular organisms

3. Bacteria can are mainly decomposers

4. The optimal pH of Fungi is around 6.5-7.0, whereas Bacteria has 4.0-6.0

5. Fungi can be both producers and decomposers

• only the first statement is true

• some are false, but most of the statements are true

• all statements are false

• All statements are true