Heart Anatomy and Physiology Quiz

What is the primary function of the heart?

• To store nutrients

• To produce hormones

• To filter blood

• To pump blood

Which chamber of the heart receives systemic blood?

• Left ventricle

• Left atrium

• Right ventricle

• Right atrium

What type of blood vessels carry blood away from the heart?

• Capillaries

• Arteries

• Veins

• Venules

Which part of the heart pumps blood to the lungs?

• Right atrium

• Left atrium

• Left ventricle

• Right ventricle

What is the outermost layer of the heart wall called?

• Endocardium

• Pericardium

• Epicardium

• Myocardium

What is the role of the atrioventricular valves?

• Prevent backflow of blood

• Increase heart rate

• Oxygenate blood

• Pump blood to the body

Which cells in the heart generate and spread action potentials?

• Epithelial cells

• Contractile cells

• Nodal cells

• Muscle cells

What does the QRS complex in an ECG represent?

• Ventricular depolarization

• Atrial depolarization

• Ventricular repolarization

• Atrial repolarization

What is the term for the amount of blood pumped in a single beat?

• Heart rate

• Cardiac output

• Stroke volume

• Blood pressure

Which hormone is released by the adrenal medulla to increase heart rate?

• Thyroid hormone

• Insulin

• Epinephrine

• Cortisol

Tags

NGSS.HS-LS1-3