Question 1

Which of the following is a natural defence mechanism of the body against infection?

Accepted Answer

Inflammation

Answer

Hormonal regulation

Answer

Neuronal firing

Answer

Muscle contraction

Question 2

Which of the following is an example of a non-specific defence mechanism?

Accepted Answer

Fever

Answer

B cells

Answer

Antibodies

Answer

T cells

Question 3

What is the role of white blood cells in the body's defence against infection?

Accepted Answer

To identify and destroy pathogens

Answer

To regulate body temperature

Answer

To carry oxygen

Answer

To produce antibodies

Question 4

What is the function of antibodies in the body's defence against infection?

Accepted Answer

To neutralize and eliminate pathogens

Answer

To filter blood and remove toxins

Answer

To regulate blood sugar levels

Answer

To produce red blood cells

Question 5

What is the role of phagocytes in the body's defence against infection?

Accepted Answer

To engulf and destroy pathogens

Answer

To produce antibodies

Answer

To transmit nerve signals

Answer

To regulate blood pressure

Question 6

Which of the following is an example of a physical defence mechanism against infection?

Accepted Answer

Skin

Answer

Inflammation

Answer

Antibodies

Answer

Fever

Question 7

What is the role of mucus in the body's defence against infection?

Accepted Answer

To trap and remove pathogens

Answer

To regulate body temperature

Answer

To transmit nerve signals

Answer

To produce red blood cells

Question 8

What is the primary function of the skin's acid mantle?

Accepted Answer

Protecting against bacterial overgrowth

Answer

Regulating body temperature

Answer

Producing vitamin D

Answer

Detecting tactile sensations

Question 9

How does the skin's sebum contribute to its defense against infection?

Accepted Answer

It creates a protective barrier on the skin

Answer

It produces antibodies to fight infection

Answer

It detects temperature changes

Answer

It increases blood flow to the skin

Question 10

Which of the following describes the role of sweat glands in the skin's defense mechanism against infection?

Accepted Answer

It helps flush away potential pathogens

Answer

It enhances the sense of touch

Answer

It releases enzymes to break down pathogens

Answer

It produces a physical barrier on the skin

Question 11

Which of the following is a way that the skin acts as a physical barrier against infection?

Accepted Answer

Tight junctions between skin cells

Answer

Production of histamine

Answer

Release of antibodies

Answer

Detection of odor molecules

Question 12

Which of the following is a function of the skin's immune cells?

Accepted Answer

Detecting and eliminating invading pathogens

Answer

Storing excess energy as fat

Answer

Secreting hormones for growth and development

Answer

Producing melanin for skin pigmentation

Question 13

What is the role of keratin in the skin's defense against infection?

Accepted Answer

It forms a protective barrier on the skin's surface

Answer

It detects pressure and touch sensations

Answer

It produces natural oils to repel pathogens

Answer

It regulates body temperature

Question 14

Which of the following is a defence mechanism against infection?

Accepted Answer

Cilia

Answer

Sunscreen

Answer

Batteries

Answer

Pollen

Question 15

Which of the following is an enzyme that aids in the defence against infection?

Accepted Answer

Lysozyme

Answer

Antibiotic

Answer

Caffeine

Answer

Chlorophyll

Question 16

Which of the following is an example of an acid used as a defence mechanism against infection?

Accepted Answer

Gastric acid

Answer

Vinegar

Answer

Lemonade

Answer

Water

Question 17

Which of the following is a function of mucus in the defence against infection?

Accepted Answer

Trapping and removing pathogens from the body.

Answer

Producing antibodies to fight infection.

Answer

Regulating blood sugar levels.

Answer

Generating red blood cells.

Question 18

Which of the following is NOT a defence mechanism against infection?

Accepted Answer

Antibiotic

Answer

Fever

Answer

Mucus

Answer

Inflammation

Question 19

What role do cilia play in the defence against infection?

Accepted Answer

They help to remove pathogens and mucus from the respiratory tract.

Answer

They release toxins to kill pathogens.

Answer

They produce antibodies to fight against infection.

Answer

They initiate an inflammatory response.

Question 20

Which of the following is an example of an enzyme involved in the defence against infection?

Accepted Answer

Lactoferrin

Answer

Sunscreen

Answer

Pollen

Answer

Batteries

Question 21

Which of the following is a mechanism used by the body to prevent infections?

Accepted Answer

Inflammation

Answer

Caffeine

Answer

Exercise

Answer

Chocolate

Question 22

What is the primary purpose of the inflammatory response to infection?

Accepted Answer

To eliminate pathogens and initiate tissue repair.

Answer

To activate the immune system.

Answer

To spread the infection throughout the body.

Answer

To cause pain and discomfort to the individual.

Question 23

Which immune cells are involved in phagocytosis during the inflammatory response to infection?

Accepted Answer

Neutrophils and macrophages

Answer

T cells and B cells

Answer

Eosinophils

Answer

Natural killer cells

Question 24

Which of the following is a local symptom of the inflammatory response to infection?

Accepted Answer

Redness

Answer

Fever

Answer

Headache

Answer

Fatigue

Question 25

What is the purpose of fever during the inflammatory response to infection?

Accepted Answer

To enhance immune system activity and inhibit pathogen growth.

Answer

To promote tissue repair.

Answer

To reduce pain and discomfort.

Answer

To decrease blood flow to the infected area.

Question 26

What is the normal body temperature in humans?

Accepted Answer

36-37 degrees Celsius

Answer

37-38 degrees Celsius

Answer

38-39 degrees Celsius

Answer

35-36 degrees Celsius

Question 27

Which part of the body regulates body temperature?

Accepted Answer

Hypothalamus

Answer

Kidneys

Answer

Heart

Answer

Liver

Question 28

What is fever?

Accepted Answer

An increase in body temperature

Answer

No change in body temperature

Answer

A decrease in body temperature

Answer

Unconsciousness

Question 29

What is a common symptom of an infection that causes an increase in body temperature?

Accepted Answer

Fever

Answer

Nausea

Answer

Cough

Answer

Headache

Question 30

Which of the following is NOT a potential response of the body's immune system to infection?

Accepted Answer

Decreased heart rate

Answer

Fever

Answer

Increased white blood cell count

Answer

Inflammation

Question 31

What is a common symptom of hypothermia?

Accepted Answer

Shivering

Answer

Flushed skin

Answer

Sweating

Answer

Increased heart rate

Question 32

What term is used to describe a body temperature above the normal range?

Accepted Answer

Hyperthermia

Answer

Hypoventilation

Answer

Hypertension

Answer

Hypothermia

Question 33

What is the purpose of increased body temperature in response to infection?

Accepted Answer

To help fight off pathogens

Answer

To promote dehydration

Answer

To slow down the immune response

Answer

To cause discomfort

Question 34

Which of the following is not a method of measuring body temperature?

Accepted Answer

Listening to heart rate

Answer

Rectal thermometer

Answer

Oral thermometer

Answer

Infrared forehead thermometer

Question 35

What is considered a high fever in adults?

Accepted Answer

Above 38 degrees Celsius or 100.4 degrees Fahrenheit

Answer

Above 36 degrees Celsius or 96.8 degrees Fahrenheit

Answer

Above 40 degrees Celsius or 104 degrees Fahrenheit

Answer

Above 34 degrees Celsius or 93.2 degrees Fahrenheit

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