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WorksheetsCardio Respiratory Physiology & Vital Signs
Total questions: 25
Worksheet time: 13mins
What is the main function of the human heart?
Regulating body temperature
Producing red blood cells
Pumping blood throughout the body
Filtering waste from the blood
Which type of vessel carries blood away from the heart?
Lymphatic vessel
Capillary
Artery
Vein
What is the purpose of the valves of the heart?
Filter out toxins from the blood
Regulate blood pressure
Prevent blood from flowing backward
Control oxygen levels in the blood
Which vessel carries blood from the lungs back to the heart?
Pulmonary artery
Pulmonary vein
Superior vena cava
Aorta
What is the name of the vessel that carries blood from the heart to the rest of the body?
Aorta
Superior vena cava
Pulmonary artery
Pulmonary vein
What is the role of capillaries in the circulatory system?
To carry blood away from the heart
To exchange oxygen, carbon dioxide, and other substances between blood and body cells
To prevent backflow of blood
To filter toxins from the blood
Where does the blood go after leaving the left ventricle?
Back to the lungs
To the liver
To the brain
To the rest of the body
What are the four valves of the heart?
Aortic, Ventricular, Bicuspid, Mitral
Aortic, Pulmonic, Tricuspid, Mitral
Aortic, Bicuspid, Tricuspid, Erb's
Aortic, Erb's, Tricuspid, Mitral
Which of these is the sound heard when the tricuspid and mitral valve close?
S1
Dub
Lub
S2
Which of these is the sound heard when the pulmonic and aortic valves close?
S1
Dub
Lub
S2
What is the term for the phase when blood is pumped out of the heart?
Ventricular Filling
Systole
Diastole
Atrial Contraction
What is the term for the phase when blood is refilling the heart and the muscle is at rest?
Ventricular Filling
Systole
Diastole
Atrial Contraction
How is oxygen mostly transported in the human body?
Dissolved in plasma
Attached to red blood cells
Bound to hemoglobin
Transported through the lymphatic system
What is a normal blood oxygen saturation level?
60-70%
80-85%
40-50%
95-100%
What is the main function of alveoli in the lungs?
To exchange gases with the blood
To regulate the body's pH levels
To produce mucus for the respiratory system
To store excess carbon dioxide
What is the main by-product formed by tissue after oxygen is used?
Carbon dioxide
Methane
Nitrogen
Carbon monoxide
What is the main function of the red blood cells in gas exchange?
To fight off infections
To produce energy for the body
To transport gases around the body
To regulate body temperature
What is the main function of the pulmonary artery in gas exchange?
To carry deoxygenated blood from the heart to the lungs
To regulate the body's pH levels
To carry oxygenated blood from the lungs to the heart
To store excess carbon dioxide
What is the main function of the pulmonary vein in gas exchange?
To carry oxygenated blood from the heart to the lungs
To regulate the body's pH levels
To carry oxygenated blood from the lungs to the heart
To store excess carbon dioxide
Jane is running a 5k today. What is the expected immediate effect on her heart rate?
Increase
Decrease
Remain unchanged
Fluctuate at random
You assess Jane's radial pulse when she completes the 5k. What amplitude will you likely note?
0
1+
2+
3+
While Jane runs, her heart rate has increased. What do you expect her respiratory rate to do in response?
Increase
Decrease
Remain unchanged
Fluctuate at random
James is febrile. This means his body temperature is:
Too high
Too low
In the normal range
While James's temperature is elevated, what is the typical response of his heart rate?
Increase
Decrease
Remain unchanged
Increase followed by decrease
The patient you are caring for has a decreased blood oxygen saturation. How will the respiratory rate likely be influenced?
Increase
Decrease
Remain unchanged
Decrease followed by an increase
