PBS

According to the graph shown here, what is the independent variable of this experiment?

• average blood diameter

• blood spatter diameter

• angle of blood spatter

• height of blood dropped

Which component of blood makes up the majority (over 50%) of total blood volume?

• erythrocytes

• platelets

• plasma

• lymphocytes

Which blood spatter pattern represents a gravity spatter, dropped from a near 90 degree angle?

• A

• B

• C

• D

The purpose of plasma in blood is to

• transports oxygen from the lungs to other parts of the body.

• fight infections.

• make blood red.

• acts as the major medium that holds, carries and transports all the other components of blood, including nutrients, antibodies, food, waste and other cells.

• clot cuts and damaged blood vessels.

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

The Kastle-Meyer Test is a

• negative test for DNA.

• positive test for bacteria.

• presumptive test for blood.

• confirmatory test for blood.

An appropriate example of a positive control for an experiment that tests for COVID-19 is

• blood.

• a sample of a virus that causes the flu.

• water.

• a sample of the virus that causes COVID-19.

According to the chart shown here, which patient has blood type AB?

• Patient 1

• Patient 2

• Patient 3

• Patient 4

Agglutination also means

• the antibodies that are circulating in blood.

• clumping of red blood cells.

• presumptive blood tests.

• blood type.

Which blood type would most likely be considered a "universal donor" meaning that this blood type can be given to any person that needs blood?

• type A

• type AB

• type B

• type O