Cardiovascular System Quiz

What is the function of the heart?

• To pump blood throughout the body

• To digest food

• To control body temperature

• To support the immune system

List four functions of the cardiovascular system.

• Transporting nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes

• Providing structure and support to cells and organs

• Regulating body temperature and cellular pH levels

• Producing digestive enzymes and hormones

What is the size and weight of the human heart?

• kidney size, 2 lbs

• fist size, 5 lbs

• fist size, 3 lbs

• fist size, less than a pound

What is the function of the blood vessels?

• To transport nutrients and oxygen to body cells

• To produce blood cells

• To digest food

• To control body temperature

Where is the heart located with respect to the human body?

• above the lungs

• between the lungs

• below the lungs

• in the abdomen

Where is the heart's apex located? Where is the base?

• Apex at the lower left, base at the upper right

• Apex at the upper left, base at the lower right

• Apex at the lower right, base at the upper left

• Apex at the upper right, base at the lower left

The heart is surrounded by a double-walled sac called the _______.

Name the two layers of the pericardium.

• Epicardium and Myocardium

• epicardium and Parietal pericardium

• Endocardium and Epicardium

• Myocardium and Endocardium

Where is the serous fluid located?

• In pericardial cavity (in the pericardial sac)

• Within the spinal cord

• Inside the bones

• In the bloodstream

What is the function of the serous fluid in the pericardial cavity?

• To increase friction between the heart and lungs

• To reduce friction between the heart and lungs

• To provide nutrients to the heart

• To regulate the temperature of the heart