Bio - Unit 9, Chapter 33, Lesson 1

What is an artery? Fill in the blank: An artery is a ________ that carries blood away from the heart.

• blood vessel

• muscle

• nerve

• bone

Based on the diagram, which blood vessel carries blood away from the heart?

• A) Artery

• B) Vein

Atherosclerosis is a condition characterized by:

• the narrowing and hardening of arteries due to plaque buildup

• the inflammation of joints

• the weakening of bones

• the infection of the lungs

What are the components of blood?

• Red blood cells, white blood cells, platelets, and plasma

• Bones, muscles, nerves, and skin

• Heart, lungs, liver, and kidneys

• Arteries, veins, capillaries, and nerves

Which of the following is a component of blood?

• Plasma

• Bone marrow

• Cartilage

• Muscle

Which of the following is a type of white blood cell?

• Erythrocytes

• Neutrophil

• Thrombocytes

• Plasma

Fill in the blank: Red blood cells are also known as ________.

• Erythrocytes

• Leukocytes

• Thrombocytes

• Lymphocytes

The blood flow order in the human body as shown in the diagram is:

• Heart -> Lungs -> Heart -> Body

• Heart -> Body -> Lungs -> Heart

• Lungs -> Heart -> Body -> Heart

• Body -> Heart -> Lungs -> Body

What is the normal systolic blood pressure?

• 120 mmHg or below

• 130 mmHg or below

• 140 mmHg or below

• 150 mmHg or below

Fill in the blank: Diastolic blood pressure is the pressure that exists within arteries between heartbeats. Normal diastolic blood pressure is _______ mmHg or below.

• 80

• 70

• 90

• 100