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Disease and Immunity

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Define a disease-causing organism

a)

A pathogen

b)

An antigen

c)

An antibody

d)

A microorganism

2.

What is a transmissible disease?

a)

A disease in which the pathogen can be passed from one host to another

b)

A disease in which the disease is transmitted genetically

c)

A disease in which the pathogen is passed through body fluids

d)

The VACCINES! THEY CAUSE THE DISEASES >:(

3.

What does vaccination do?

a)

Helps enhance the body's defence

b)

Produces antibodies that destroy pathogens

c)

Undergo phagocytosis and antigen production

d)

Inserts microchips into our brains

4.

Which of the following is a mechanical barrier?

a)

Skin

b)

Stomach acid

c)

Mucus

d)

Tears

5.

Which of the following is a chemical barrier?

a)

Hair

b)

Tears

c)

Stomach acid

d)

Mucus

6.

Which of the following about active immunity is false?

a)

It is the defence against a pathogen by antibody production in the body

b)

It is gained after an infection or by pathogen or vaccination

c)

It is a temporary immunity

d)

It produces memory cells

7.

How does the skin help protect the body from pathogens?

a)

The skin secretes sebum

b)

The skin blocks the pathogens from the vessels

c)

The skin produces sweat that contains lysosomes

d)

The skin provides warmth to ware off any pathogens

8.

What is the pH of hydrochloric acid in a stomach?

a)

pH2

b)

pH3

c)

pH4

d)

pH5

9.

Which of the following is a type of white blood cells

a)

Phagocytes

b)

Anticytes

c)

Lymphocytes

d)

Pathocytes

10.

What does a phagocyte do?

a)

It engulfs pathogens

b)

It produces antibodies

c)

Causes the antigen to clump together

d)

Consumes the pathogen and digests them

11.

Which of the following is an active immunity that is artificial?

a)

Infection

b)

Vaccination

c)

Maternal antibodies

d)

Monoclonal antibodies

12.

What helps destroy pathogens?

a)

Antigens

b)

Antibodies

c)

Cillia

d)

Excretion

13.

Why is passive immunity temporarily?

a)

No memory cells are formed

b)

The immunity lasts only in the first few years of birth

c)

It is only received from vaccination

d)

It only weakens pathogens and not destroy them

14.

Why is the milk of a human mother breastfeeding the baby considered a passive immunity for the baby?

a)

It contains white blood cells

b)

It contains protein and calcium

c)

It contains antigen that helps destroy pathogens

d)

It is part of the baby's diet

15.

What is an antigen?

a)

It may trigger an immune response

b)

It kills pathogens

c)

It helps connects to the pathogen

d)

It is part of the white blood cell, phagocyte

16.

What enzyme in a human's tears help to digest pathogens?

a)

The lysozyme

b)

The pepsin

c)

The phagocyte

d)

The lymph

17.

What is phagocytosis?

a)

The process in which the phagocytes engulfs pathogens

b)

The process in which the phagocytes produces antibodies

c)

The process in which phagocytes produces protein enzymes

d)

The process in which phagocytes excretes dead pathogens

18.

What is inside of a vaccine?

a)

Antibodies

b)

Inactive pathogens

c)

White blood cells

d)

Platelets

19.

What is the name of the yellow part of the pathogen in this diagram called?

a)

Antigen

b)

Antibodies

c)

Receptors

d)

Protein coat

20.

During the first few days, which immunity would contain higher concentration of antibodies?

a)

Passive Immunity

b)

Active Immunity

c)

Both contains the same amount