The skin serves as a barrier against ______ and pathogens.

• injuries

• vitamins

• hormones

• enzymes

When wounds occur, a series of events promote ______.

• healing

• infection

• dehydration

• paralysis

What is a wound? Fill in the blank: A wound is any break in the skin, either from ______ or surgical incision.

• injury

• exercise

• medication

• digestion

Healing of a wound depends on which of the following factors?

• Location

• Injury type

• Blood supply

• Overall health

• All of the above

What is an open wound?

• Skin remains intact, but underlying tissues are damaged.

• Break in the skin, exposing underlying tissues.

• A type of closed wound.

• None of the above.

Fill in the blank: A closed wound is when the skin remains ________, but underlying tissues are damaged.

• intact

• broken

• bruised

• open

Which type of wound is described as 'outer skin layers rubbed away; usually heals without scarring'?

• Abrasion

• Incision

• Laceration

• Puncture

Fill in the blank: A ________ is a smooth cut from a scalpel or sharp object; may cause bleeding and scarring.

• Incision

• Abrasion

• Contusion

• Laceration

Which type of wound can lead to heavy bleeding and scarring due to an irregular tear?

• Abrasion

• Incision

• Laceration

• Puncture

Look at the image and identify the type of wound shown.

• Abrasion

• Incision

• Laceration

• Puncture