Immune System Quiz -retest - Jessica Plisko | Library

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What is the primary role of phagocytes in the innate immune response?

Signal other immune cells.

Engulf and destroy pathogens.

Produce antibodies.

Release histamines.

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What is the role of natural killer cells in innate immunity?

Enhance the adaptive response.

Target and destroy infected or cancerous cells.

Engulf and digest bacteria.

Produce specific antibodies.

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Which cells are part of the first line of defense in innate immunity?

Neutrophils secrete antibodies.

T cells identify specific pathogens.

Epithelial cells provide the first barrier.

B cells circulate in blood.

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What is a complement protein's main action in the immune system?

Aids in pathogen destruction by puncturing cell membranes.

Directly kill all viruses present using apoptosis.

Direct antibodies to infection.

Promote phagocytosis activity.

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What role do interferons play in innate immunity?

Puncture the membrane of viruses to destroy them.

Utilize apoptosis to destroy pathogens.

Release histamine for inflamation.

Inhibit viral replication in neighboring cells.

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Which is a characteristic of the innate immune response?

It can specifically target viruses only.

It learns from previous infections.

It does not develop memory against pathogens.

It requires vaccination for effectiveness.

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What is the primary effect of fever in an immune response?

Help initiate the clotting process.

Reduce blood flow to infected areas.

Enhance metabolic activity.

Kill bacteria directly in circulation.

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What is the function of the skin in innate immunity?

Produces white blood cells constantly.

Forms antibodies in response to pathogens.

Absorbs nutrients from the environment.

Acts as a physical barrier to pathogens.

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Which immune response component clears apoptotic cells?

Mast cells initiate repair processes.

B cells produce markers for clearance.

Neutrophils, which trigger inflammation.

Macrophages remove dead cells efficiently.

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Staphylococcus aureus

Escherichia coli

Clostridium botulinum

Clostridium tetani

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Which of the following is primarily responsible for malaria transmission?

Bacteria

Protists

Fungi

Virus

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E. coli can cause severe illness; where is it commonly found?

Contaminated food and water

Skin contact

Household cleaning products

Airborne particles

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Athlete's foot is caused by which of the following?

protists

fungi

bacteria

virus

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What is the main vector for giardiasis transmission?

Airborne dust

Food contamination

Direct contact with skin

Contaminated water

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What is a common symptom of botulism due to toxin effects?

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Rabies is primarily transmitted through?

Water sources

Airborne droplets

Contaminated surfaces

Bite from infected animals

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Influenza primarily affects which part of the body?

Nervous system

Digestive system

Circulatory system

Respiratory system

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What happens during smallpox infection?

Severe headaches

Pustules develop on the skin

Nausea and vomiting

Joint pain

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What is a character of rabies virus?

Neurological impact

Blood poisoning

Respiratory failure

Skin infection

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How is smallpox primarily spread?

Airborne particles

Water droplets

Direct contact with infected

Insect bites

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What is the main function of the lymphatic system?

To circulate hormones throughout the body.

To transport lymph and support immune functions.

To filter out waste from the blood.

To produce red blood cells.

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What fluid does the lymphatic system primarily transport?

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Where are lymph nodes mostly located in the body?

Only in the brain.

Only in the abdominal cavity.

In clusters throughout the lymphatic system.

Near the heart only.

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How does the lymphatic system help in fluid balance?

It removes excess water from cells.

It reabsorbs excess fluid from tissues.

It drains fluid into blood vessels only.

It produces water for cells.

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What role do the tonsils play in the lymphatic system?

They help protect the pharynx against inhaled pathogens.

They absorb leaked fluid.

They filter blood directly.

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What is the result of a compromised lymphatic system?

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What are macrophages in the lymphatic system?

Cells that form blood clots.

Cells that produce hormones.

Cells that engulf and digest pathogens.

Cells that transport oxygen.

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What triggers the activation of T cells?

High levels of nutrients.

Physical exercise.

Low levels of oxygen.

Exposure to antigens from pathogens.

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What happens in the lymphatic system during an infection?

Tissues completely shut down.

Lymph fluid stops circulating.

Blood becomes more viscous.

Lymph nodes may swell due to immune response.

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How does the lymphatic system relate to the circulatory system?

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What is the function of the spleen in the immune system?

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