Cardiorespiratory or Vascular Systems Quiz
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What is the primary function of the nasal cavity in the respiratory system?
A. To exchange gases
B. To filter, warm, and moisten air
C. To produce sound
D. To protect the lungs
What does stroke volume measure?
A. The number of times your heart beats per minute.
B. The amount of blood pumped out of the heart per minute.
C. A measure of how much blood is squeezed out of the heart into the aorta each time it beats.
D. The pressure of blood against the walls of the arteries.
What is the primary function of the ventricles in the heart?
A. Collecting blood at the top of the heart
B. Pumping blood throughout the body
C. Allowing blood to travel in only one direction
D. Dividing the heart into two pumps
What is the function of the diaphragm in the respiratory system?
A. To filter air
B. To produce sound
C. To assist in breathing
D. To protect the lungs
Through which vessel is blood pumped from the left ventricle into the arteries?
A. Pulmonary trunk
B. Aorta
C. Pulmonary veins
D. Vena cava
Which energy producing system is utilized during cardiorespiratory endurance training?
A. Aerobic
B. Anaerobic
What is the function of the inferior vena cava?
A. Transporting oxygen-rich blood from the lungs to the heart
B. Returning deoxygenated blood to the heart from the head and arms
C. Transporting almost all venous blood from the abdomen and lower extremities back to the heart
D. Dividing the heart into two pumps
What role do the atria play in the heart?
A. Pumping blood throughout the body
B. Collecting vessels at the top of the heart
C. Allowing blood to travel in only one direction
D. Dividing the heart into two pumps
Where is oxygenated blood returned to after leaving the lungs?
A. Right atrium
B. Left ventricle
C. Right ventricle
D. Left atrium
According to the World Health Organisation (WHO) which of the following blood pressure readings is classified as ‘optimal’?
A. 180/20
B. 140/90
C. 160/80
D. 120/80
Which part of the respiratory system is responsible for gas exchange?
A. Alveoli
B. Larynx
C. Bronchus
D. Pleura
What is the function of the pulmonary veins?
A. Carry oxygen-poor blood from the heart to the lungs
B. Return deoxygenated blood to the heart from the head and arms
C. Collect oxygen-rich blood from the lungs and carry it to the heart
D. Transport venous blood from the abdomen to the heart
What happens to the intercostal muscles and diaphragm during inspiration?
A. They contract
B. They relax
C. They remain unchanged
D. They expand
How is cardiac output (Q) calculated?
A. Q = Heart rate x Blood pressure
B. Q = Stroke volume x Blood pressure
C. Q = Stroke volume x Heart rate
D. Q = Heart rate x Blood volume
The amount of oxygen that is consumed by the body during a specific level of activity.
A. Oxygen Extraction
B. Resting Oxygen Consumption
C. Oxygen Consumption
