Exit Assesment 9

In which gland do T cells undergo further maturation?

thymus

Allergy to pollen is classified as

immediate hypersensitivity

"Cell suicide" or programmed cell death is called apoptosis.

True

Adaptive immunity is not caused by an infection or vaccination and depends initially on physical and chemical

False

Which is not considered a physical barrier in the innate immune system?

phagocytic cells

The humoral immune response is controlled by activated B cells and antibodies.

True

Antibodies do not occur in the blood, gastric and mucus secretions and breast milk.

False

A phagocyte is a cell that

engulfs other cells and debris.

B cells and T cells are

lymphocytes

Physical and chemical barriers that form the first line of innate defense include

All of the answer choices are correct

A cell that does not circulate in blood, but instead settles in tissues near the skin and in the digestive tract, producing and releasing histamine when tissue is damaged is a(n)

mast cell

How does fever help fight infection as part of the innate defense?

All of the answer choices are correct.

A Y-shaped protein that proliferates in response to a specific antigen and recognizes these antigens is a (n)

antibody.

Antigens attached to harmless substances found in food, dust mites, pollen, fur, and some oils in plants that elicit an immune attack are called

allergens

A baby receiving antibodies in breast milk from its mother is an example of passive immunity.

True