A1: Cardiorespiratory System Quiz

Where is the heart located in the body?

• Left side of the chest, slightly towards the left

• Center of the chest, slightly to the right

• Right side of the chest

• Above the lungs

Which of the following is the correct order of blood flow through the heart?

• Right atrium → Left atrium → Right ventricle → Left ventricle

• Left atrium → Left ventricle → Right atrium → Right ventricle

• Right atrium → Right ventricle → Left atrium → Left ventricle

• Right atrium → Right ventricle → Left ventricle → Left atrium

Which blood vessel carries oxygenated blood away from the heart?

• Pulmonary vein

• Pulmonary artery

• Aorta

• Vena cava

The vena cava carries blood into which part of the heart?

• Left atrium

• Right atrium

• Right ventricle

• Left ventricle

The primary function of the cardiovascular system is:

• to transport nutrients and oxygen throughout the body

• to control body temperature

• to produce hormones

• to break down food

What is the main function of the circulatory system?

• To deliver oxygen to muscles only

• To circulate blood to the lungs only

• To deliver blood and nutrients to the body and remove waste products

• To regulate body temperature only

Which blood vessels carry oxygen-depleted blood back to the heart from the body?

• Pulmonary veins

• Aorta

• Vena cava

• Arteries

Which of the following is true about veins?

• They have thick muscular walls and carry oxygenated blood.

• They carry blood away from the heart and have thick muscular walls.

• They have thin walls and carry deoxygenated blood back to the heart.

• They carry blood to the lungs.

Blood pressure is measured in two values: systolic and diastolic. What do these terms represent?

• Systolic is the pressure when the heart is resting, and diastolic is when it is contracting.

• Systolic is the pressure when the heart is contracting, and diastolic is when it is resting.

• Systolic is the lower value, and diastolic is the higher value.

• Systolic refers to the pressure in the arteries when blood returns to the heart.

Which of the following is the correct classification for normal blood pressure in adults?

• 120/80 mmHg

• 140/90 mmHg

• 100/60 mmHg

• 160/100 mmHg