Body Systems 2

Which statement is FALSE regarding the human heart?

• The pericardium is a sac that surrounds and protects the heart

• The aorta takes oxygenated blood directly out of the right ventricle

• The myocardium is the cardiac muscle that makes the heart pump or contract

• The inferior vena cava brings deoxygenated blood into the right atrium

Which chamber of the heart pumps deoxygenated blood back to the lungs through the pulmonary arteries?

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle

Which chamber of the heart should have the thickest (strongest) layer of myocardium surrounding it?

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle

Which statements are TRUE regarding the heart valves

• There are 2 of them

• They keep blood from flowing backwards

• They open and close making a lub-dub sound

• They can be replaced when leaky with cow & pig heart valves

Select the TRUE statements regarding blood vessels

• Capillaries are thin-walled

• Veins are the most muscular

• Arteries USUALLY carried oxygenated blood

• Capillaries allow for gas exchange

• The Superior Vena Cava is a large vein

Which is mismatched?

• 8 - Superior Vena Cava

• 3 - Left Atrium

• E - Septum

• A - Heart Valve

• 5 - Aorta

Which statements are TRUE regarding #9?

• These are arteries

• These are veins

• These carry oxygenated blood

• These carry deoxygenated blood

• These lead into the right atrium

Which statements are FALSE regarding red blood cells?

• They help fight infection

• They carry oxygen

• They contain hemoglobin

• They live for years

• They help clot your blood

Which statements are TRUE regarding white blood cells?

• There are more white blood cells than red blood cells

• There are only one type

• They can build antibodies

• They are produced in bone marrow

Select the FALSE statement about human blood.

• The liquid component is known as plasma

• The adult human has 4-6 Liters of blood

• Platelets help your blood clot

• Blood turns blue when it lacks Oxygen