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

Fill in the Blanks

Inside each globin is a heme molecule, and at the center of that is an

atom. It’s that atom that makes our blood red.

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