Cardiovascular System (Blood Flow Through the Heart)

During a biology class, Aiden, Arjun, and Rohan were studying the human circulatory system. They learned that the _____ are only one cell in thickness and are the smallest blood vessels in the body.

• arterioles

• capillaries

• venules

• coronary arteries

During a routine medical check-up, David's doctor noticed that his resting heartbeat was abnormally slow. This condition is known as _____.

• atrial fibrillation

• palpitation

• bradycardia

• tachycardia

Tags

NGSS.HS-LS1-3

The highest pressure against the artery walls, which occurs when the ventricles contract, is known as _____.

• diastolic pressure

• hypotension

• hypertension

• systolic pressure

The chronic condition in which the heart is unable to pump out all of the blood it receives is known as _____.

• congestive heart failure

• coronary artery disease

• cardiomyopathy

• cardiomegaly

Which of these terms refers to a disruption of the blood supply?

• angina

• cardiomegaly

• congestion

• ischemia

_____ is inflammation of the heart muscle.

• Myocarditis

• Endocarditis

• Pericarditis

• Angina

The _____ is the largest artery in the body.

• Aorta

• Pulmonary artery

• Carotid artery

• Coronary artery

_____ is a condition characterized by the buildup of fats, cholesterol and other substances in and on the artery walls.

• Atherosclerosis

• Myocarditis

• Endocarditis

• Pericarditis

Red blood cells (erythrocytes) are responsible for carrying _____ throughout the body.

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-5

Scarlett, Grace, and Aiden are studying for their medical exam. They come across a case where a patient has a condition where a clot is attached to the wall of a deep vein. They discuss that if the clot breaks loose it can travel to the lungs, which is called a _________.

• Cerebral vascular accident

• Pulmonary Embolism

• Anemia

• Thrombocytopenia