Free Printable General human Defence

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General human Defence

Total questions: 19

Worksheet time: 10mins

Name

Class

Date

What is a pathogen

A pathogen is a healthy microorganism.

A pathogen is a microorganism that causes disease.

A pathogen is a type of vaccine.

A pathogen is a type of antibiotic.

Which of the following is an example of pathogenic bacteria

Athletes foot

Covid- 19

Staphylococcus aureus

Escherichia coli (E. coli)

Give an example of a pathogenic viruse

Ebola virus

Influenza virus

E-coli

Athletes foot

The general defence system is non specific

True

False

The barrier of the body includes which of the following

Skin and mucous membranes

Blood and organs

Bones and muscles

Hair and nails

Cracked or broken skin can lead to a

healing process

moisturizing effect

infection

skin elasticity improvement

How does mucous protect against infections in the body

Mucous is primarily used to absorb nutrients and energy.

Mucous protects against infections by trapping pathogens and containing antimicrobial substances.

Mucous acts as a barrier by hardening and blocking all pathogens.

Mucous helps in digestion by breaking down food particles.

Short hairs present in the respiratory system that help to force foreign particles up the windpipe

Villi

Microvilli

Cilia

Alveoli

Blood clotting prevents the entry of pathogens into the body, name the blood cell that is responsible for blood clotting in the body

Plasma cells

White blood cells

Red blood cells

Platelets

10.

Give the official name of the platelets

Neutrophils

Leukocytes

Thrombocytes

Erythrocytes

11.

Name the acid in the stomach that kills bacteria

Hydrochloric acid

Nitric acid

Acetic acid

Sulfuric acid

12.

Large phagocytes are known as

macrophages

lymphocytes

neutrophils

eosinophils

13.

What is phagocytosis

Phagocytosis is the process of cell division.

Phagocytosis refers to the movement of water across cell membranes.

Phagocytosis is the method by which cells produce energy.

Phagocytosis is the process by which cells engulf and digest large particles.

14.

What is the function of histamine

Histamine is primarily involved in muscle contraction.

Histamine is a type of hormone that regulates blood sugar levels.

Histamine is mainly responsible for oxygen transport in the blood.

Histamine functions primarily in immune response, it attracts WBC'S to the site of an infection

15.

Complement proteins have what function in the body

They transport oxygen in the blood.

They provide structural support to cells.

They help in immune response and pathogen clearance.

They are responsible for blood clotting.

16.

Interferons are very effective against what type of m/o

Bacteria

Fungi

Parasites

Viruses

17.

A fever raises body temperature, what happens as a result of this

Enzymes of the m/o become denatured

Body temperature decreases significantly.

The body becomes more susceptible to infections.

The heart rate slows down dramatically.

18.

What is lysozyme

Lysozyme is a type of antibiotic.

Lysozyme is a hormone that regulates blood sugar.

Lysozyme is an enzyme that breaks down bacterial cell walls.

Lysozyme is a vitamin found in fruits.

19.

Where is lysozyme present in the body

Lysozyme is found in the liver and kidneys.

Lysozyme is present in the stomach and intestines.

Lysozyme is located in the bones and muscles.

Lysozyme is present in saliva, tears

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General human Defence

Total questions: 19

Worksheet time: 10mins

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