Select all of the following which are roles of cytokines.

• Directing cell movement

• Inhibit blood flow

• Inhibiting immune response

• Providing structure

• Stimulating immune response

Which of the following root words is most associated with the immune system?

• Crani/o

• Immun/o

• Bas/o

• Humer/o

__________ immunity is the first to detect body invaders.

Select all of the following which are examples of physical and chemical barriers.

• Blood

• Skin

• Mucous membranes

• Leukocytes

• Saliva

What is the purpose of defense mechanisms regarding innate immunity?

• Preventing foreign substances from entering body tissues

• Adjust bodily functions to increase protection

• Identify and attack pathogens

• To release antibodies

Which type of immunity can remember pathogens after exposure?

• Innate

• Adaptive

• Primary

• Secondary

Select all of the following which are functions of leukocytes.

• Identify and attack pathogens

• Ingest harmful invaders and dead cells

• Release antibodies

• Release chemicals

• Transport lymph

Mark the following statements as True or False.

1. Adaptive immunity is acquired over time.

2. Cellular response is also called antibody-mediated response.

3. 3. Leukocytes are produced in bone marrow.

Select all of the following which are roles of the lymphatic system in the human body.

• Maintains fluid balance between the blood and tissues

• Supports the endocrine system

• Stimulates hormone production to regulate homeostasis

• Transports dietary fats from the digestive system to the bloodstream

The lymphatic system transports lymph in a closed-loop network.

• True

• False