Cardiovascular System Quiz

The cardiovascular system includes the heart, blood, and what else?

• Lungs

• Blood vessels

• Kidneys

• Liver

What is one of the intended learning outcomes related to the heart in the cardiovascular system?

• To describe the structure and function of the lungs

• To describe the structure and function of the heart

• To describe the structure and function of the liver

• To describe the structure and function of the kidneys

Which of the following is a key component of blood that is regulated by homeostasis?

• Blood volume

• Blood type

• Blood viscosity

• Blood texture

What role does sodium ion regulation play in the body?

• It affects hair growth

• It influences nerve function

• It changes eye color

• It alters muscle size

Which environmental factor under homeostatic control is crucial for energy balance?

• Blood glucose levels

• Blood type

• Blood texture

• Blood viscosity

What does blood carry away from the cells?

• Oxygen

• Nutrients

• Waste products

• Hormones

What is the outer layer of the heart wall that contains a thin layer of fluid?

• Endocardium

• Myocardium

• Pericardium

• Epicardium

Which layer of the heart wall lines the chambers of the heart?

• Myocardium

• Pericardium

• Endocardium

• Epicardium

Which layer of the heart wall is described as the thick middle layer?

• Endocardium

• Myocardium

• Pericardium

• Epicardium

What prevents blood from crossing from one side of the heart to the other?

• Valves

• Walls

• Muscles

• Chambers