Medical Quiz

Innate Immunity Quiz


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What is the function of a basophil?

A. Plays a major role in allergic response by producing histamine; also produces heparin to control blood clotting

B. Functions specifically to combat parasitic infection, they also help to promote inflammation and play a role in allergic reactions

C. One of the first responders in the immune system, it phagocytoses pathogens and may present the phagocytosed antigens to other immune cells

D. Helps the blood clotting process by gathering at the site of an injury, sticking to the lining of the injured blood vessel, and forming a platform on which blood coagulation can occur

E. Functions in transport and gas exchange


Inflammation can occur in dead tissue

A. TRUE

B. FALSE


Cells that ingest pathogens are

A. plasma cells

B. phagocytic cells

C. ciliated cells

D. red blood cells


Name the process a cell such as a neutrophil or a macrophage uses to ingest (eat) its prey.

A. Phagocytes

B. Phagosome

C. Phagolysosome

D. Phagocytosis


This cell type functions specifically to combat parasitic infections but also helps to promote inflammation and plays a role in allergic reactions

A. Basophil

B. T lymphocyte

C. Eosinophil

D. Thrombocyte

E. Neutrophil


What is the body’s first line of defence against infection?

A. Physical barriers

B. White blood cells

C. Blood plasma

D. Red blood cells


Blood vessels in an infected area widen to increase the flow of blood to the area.

A. TRUE

B. FALSE


An agent that causes a disease is a…

A. Pathogen

B. Coronavirus

C. Antigen

D. Leukocyte


Which cell type is pictured?

A. Eosinophil

B. Thrombocyte

C. Lymphocyte

D. Monocyte

E. Neutrophil


The second layer of the skin

A. Epidermis

B. Dermis

C. Subcutaneous fats

D. Muscles


Which structure/s take part in the reflex movements and secretions which remove pathogens from body openings?

A. Phagocyte cells

B. Skin (epithelial cells).

C. Cilia and mucus.

D. Lymphocyte cells

E. White blood cells


The topmost layer of the skin

A. Dermis

B. Epidermis

C. Subcutaneous fats

D. muscles


Approximately 30-60 minutes after being bitten by a “bug”, a 26-year-old man noticed a localized swelling and erythema in the affected area. The edema is most likely the result of:

A. Altered plasma osmotic pressure

B. Increased vascular permeability

C. Vasoconstriction

D. Lymphatic obstruction


Liz notices that shortly after cutting her arm accidentally the area around the cut is turning red and feeling hot.  Which immune system defense is Liz experiencing?  

A. inflammation

B. white blood cell clotting

C. skin

D. fever


What would you consider to be the purpose of the body’s defense system?

A. To produce pathogens and enable them to multiply.

B. To only destroy pathogens in the body.

C. To only stop pathogens from getting into our body.

D. To provide space for pathogens to move within our body.

E. To stop pathogens getting into the body and destroy pathogens inside the body.


What is your skin considered as?

A. Skin is considered as a second and third line defense barrier.

B. Skin is considered as a large cell which helps destroy pathogens.

C. Skin is considered a biochemical barrier of the first line defense system.

D. Skin is considered as a part of the immune system.

E. Skin is considered as first line defense barrier.


Which of the following cell types of the innate immune system does not perform phagocytosis?

A. Basophils

B. Neutrophils

C. Macrophages

D. Eosinophils




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