Wk 5 ECG100 Review Quiz

What is the primary function of the heart?

• To filter blood

• To produce blood cells

• To pump blood throughout the body

• To absorb nutrients

Which chamber of the heart receives deoxygenated blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the name of the valve located between the left atrium and left ventricle?

• Tricuspid valve

• Pulmonary valve

• Mitral valve

• Aortic valve

During which phase of the cardiac cycle do the ventricles fill with blood?

• Systole

• Diastole

• Atrial systole

• Ventricular systole

Which vessel carries oxygenated blood from the lungs to the heart?

• Aorta

• Pulmonary artery

• Pulmonary vein

• Superior vena cava

What is the effect of the sympathetic nervous system on the heart?

• Decreases heart rate

• Increases heart rate

• Has no effect on heart rate

• Decreases blood pressure

Which of the following is a characteristic of arteries?

• They carry blood away from the heart

• They carry blood towards the heart

• They have valves

• They are the site of gas exchange

What is the term for the pressure in the arteries during ventricular contraction?

• Diastolic pressure

• Systolic pressure

• Mean arterial pressure

• Central venous pressure

Which of the following factors does NOT influence heart rate?

• Temperature

• Emotions

• Body position

• Skin color

What is the term for the relaxation phase of the heart?

• Systole

• Diastole

• Ischemia

• Hypertrophy