Why would the body benefit from vasodilation as part of its recovery?

• Increased blood flow allows delivery of nutrients and blood cells to the damaged site.

• It reduces loss of blood.

• Increased blood flow will reduce phagocytosis.

• It will allow damaged cells from the area to be removed.

Tags

NGSS.HS-LS1-3

The white blood cells that take part in the inflammatory response which engulf pathogens and destroy them are called

• T cells.

• Phagocytes.

• Lymphocytes.

• B-cells.

Tags

NGSS.MS-LS1-3

A nonspecific defensive response of the body to tissue injury characterized by dilation of blood vessels and swelling.

• immunity

• interferon

• immunization

• inflammation

What happens first in the inflammatory response?

• macrophages arrive and consume pathogens

• histamine is released by injured mast cells

• arteries to injury dialate

• veins from the injury constrict

If the body is infected with bacteria or viruses, the most common response is...

• fever

• vomiting

• shivering

• sweating

Tags

NGSS.HS-LS1-3

A person with an infection might have an elevated level of

• white blood cells

• plasma

• red blood cells

• platelets

Tags

NGSS.HS-LS1-3

Macrophages fight infection from viruses and bacteria by doing what?

• making antibodies

• releasing toxins to destroy the pathogens

• eating the pathogens

• reproducing inside the pathogen

Which of the following chemicals make capillaries more permeable?

• Histamine

• Heparine

If histamine is present then the blood vessels become more......

• Smooth

• Turgid

• Permeable

• Tacky

Which is not a characteristic of inflammation?

• increased temperature

• redness

• loss of function

• bluish discoloration