13 Jun Why is it possible for blood pressure on the pulmonary circuit
Question
Why is it possible for blood pressure on the pulmonary circuit to be lower than the blood pressure in the
systemic circuit without impairing function?
Question 1 options:
The path is longer in the pulmonary circuit, so less pressure is needed.
The path is shorter in the pulmonary circuit, so less pressure is needed.
The paths are the same distance, but the lungs are more sensitive to pressure.
The paths are the same distance, but there is more blood on the systemic side of
the circuit.
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Question 2 (1 point)
Which of the following causes varicose veins?
Question 2 options:
decreased blood pressure in the veins makes them large and strong
increased blood pressure in the veins makes them strong
the valves in the veins weaken, causing blood to collect in the veins
blood in the veins pump against gravity, and inactivity can cause the one-way
pumps to strengthen
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Question 3 (1 point)
Which of the following will lead to decreased blood pressure?
Question 3 options:
increase in the diameter of the artery
increase in the volume of blood
decrease in the diameter of the artery
decrease in the volume of blood
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Question 4 (1 point)
The brain senses changes in blood pH to increase or decrease respiration.
Question 4 options:
True
False
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Question 5 (1 point)
Which of the following is a likely cause of chronic high blood pressure? Choose all that apply.
Question 5 options:
faulty communication between the pressure sensors and the respiratory sensors
increased communication between the pressure sensors and the respiratory
sensors
decreased diameter of the arterial walls of blood vessels
increased diameter of the arterial walls of blood vessels
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Question 6 (1 point)
How do the hormones created by the thyroid affect heart rate? Choose all that apply.
Question 6 options:
It releases acetylcholine to slow down the heart.
It releases hormones that tend to keep the heart rate high.
At low hormone levels, the heart rate may fall.
At high hormone levels, the heart rate may fall.
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Question 7 (1 point)
Adrenaline decreases your heart rate when you are excited or frightened.
Question 7 options:
True
False
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Question 8 (1 point)
What is atherosclerosis?
Question 8 options:
disease of the sclera
disease of the arteries
reduction of fat in the blood stream
a decrease of white blood cells and plaque in the bloodstream
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Question 9 (1 point)
Blood pressure can be directly correlated to life choices, stress, activity level, and genetics.
Question 9 options:
True
False
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Question 10 (1 point)
How does asthma increase respiratory dysfunction?
Question 10 options:
It increases breathing, and the additional oxygen causes a euphoric effect.
It restricts breathing, which will cause the heart to pump harder.
It decreases breathing, and the lack of oxygen causes the heart rate to temporarily
lower.
It has no effect on respiratory dysfunction.
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