Crash Course A&P #29-30 Blood

Crash Course A&P #29-30- Blood

Please watch the video clips, then answer the questions that follow.

Multiple Choice

The one thing that we cannot artificially manufacture is ___.

• tissues

• organs

• blood

• hormones

Multiple Choice

Every ___, someone in the U.S. needs a blood transfusion

• 3 hours

• 5 minutes

• 2 seconds

• 30 seconds

Multiple Choice

Blood’s functions include:

The transport and distribution of ___, nutrients, and waste products.

• oxygen

• pH

• plasma

• bones

Multiple Choice

Blood’s functions include:

The maintenance of body temperature, ___ levels, and the volume of the fluids in your body.

• oxygen

• pH

• plasma

• bones

Multiple Choice

Blood’s functions include:

Protection from infection and the loss of ___.

• oxygen

• pH

• plasma

• blood, itself

Multiple Choice

When you donate blood, they usually take about ___.

• 1 pound

• 1 pint

• 1 liter

• 1 ounce

Multiple Choice

Blood separates into 3 distinct layers. The bottom layer is made up of...

• Plasma

• Erythrocytes

• Leukocytes & platelets

Multiple Choice

Blood separates into 3 distinct layers. The middle layer is made up of...

• Plasma

• Erythrocytes

• Leukocytes & platelets

Multiple Choice

Blood separates into 3 distinct layers. The top layer is made up of...

• Plasma

• Erythrocytes

• Leukocytes & platelets

Multiple Choice

The system in place to prevent you from losing too much blood is called:

• clotting

• homeostasis

• hemostasis

• bleeding

Multiple Choice

When you cut yourself, the first thing that happens is that the blood vessel ___ itself to slow the flow of blood.

• constricts

• expands

• closes

Multiple Choice

___ refers to a group of disorders in which people have trouble with the clotting process – specifically not being able to make fibrin properly.

• hemostasis

• hemophilia

• homeostasis

• hemoglobin

Multiple Choice

Markers on your cells that identify who they belong to are called:

• antigens

• m

Multiple Choice

Type ___ blood is a universal receiver, because those cells have both antigens, while type ___ blood is a universal donor because they have no antigens.

• AB; O

• A; O

• O; AB

• B; O

Multiple Choice

Most of the population is Rh _.

• positive +

• negative -

Multiple Choice

The main mission of your erythrocytes (red blood cells) is to keep your body fed with __.

• oxygen

• plasma

• hemoglobin

• platelets

Multiple Choice

Red blood cells survive an average of __.

• 120 days

• 150 days

• 1 year

• 3 weeks

Multiple Choice

If you don’t count their water content, red blood cells are __% Hemoglobin.

• 97

• 62

• 75

• 88

Multiple Choice

Hematopoesis, the process of making red blood cells, takes place in your __ bone marrow.

• red

• yellow

Multiple Choice

Hypoxia refers to ___ deprivation

• oxygen

• iron

• magnesium

• potassium

Multiple Choice

Old and dying red blood cells get taken to the “red blood cell graveyard”, where it is ingested by big ___ blood cells, which break it down and recycle its hemoglobin.

• white

• red

• yellow