final exam

the normal size of a normal heart is?

• about the size of your hand

• about the size of your head

• about the size of your fist

• about half the size of your fist

the heart is located?

• inside the rib cage

• in the small of the back

• in the center of your chest

• in the mediastinum

the function of the heart is?

• to deliver nutrients to body cells

• to pump sufficient amounts of blood to all the cells in the body

• to carry fresh oxygen to the body’s cells

• to take away waste materials from the body

the heart is classified as?

• a hollow, muscular organ

• an organ that lies on the left side of the body

• an organ that beats approximately 72 times per minute

• both a&c are correct

as blood returns to the heart from the body, it enters

• the left atrium

• the superior vena cava

• from the lungs

• the right atrium

where does the inferior vena cava gets its blood?

• from the head, neck, and upper extremities

• from the liver, portal circulation

• from the lungs

• from below the diaphragm

the valve of the heart is covered by;

• myocardium

• endocardium

• pericardium

• epicardium

which two are entrance valves to the heart

• tricuspid and bicuspid

• mitral and aortic

• pulmonic and aortic

• tricuspid and pulmonic

which valves are called semilunar valves?

• mitral and tricuspid

• aortic and mitral

• pulmonic and tricuspid

• pulmonic and aortic

the pericardium is:

• the thickest layer of the heart

• the fibrous outer fluid filled layer that covers the heart and separates it from the contents in the chest cavity

• the partition that separates the right and left side of the heart

• the smooth thin layer of the heart