18 Questions
What happens to blood pressure when cardiac output increases?
It increases
How does vasoconstriction affect peripheral resistance?
Increases peripheral resistance
What causes an increase in peripheral resistance?
Vasoconstriction
In the equation CO = SV * HR, what does CO stand for?
Cardiac output
How does high blood viscosity impact blood pressure?
Increases blood pressure
What happens to arterial elasticity when the heart rests between beats?
Arteries recoil due to elastic tissue
What is the unit of measurement for pulse rate?
Beats/minute
Which part of the heart is known as the pacemaker?
Sinoatrial node
What creates the sensation of a pulse when the left ventricle contracts?
Expansion of arterial walls
Which artery is used to measure pulse rate at the wrist?
Radial
What is cardiac output defined as?
Volume of blood pumped by the heart per minute
What term describes an irregular pattern of heartbeats?
Arrhythmia
What is the formula for calculating cardiac output?
Stroke volume * Pulse rate
How does fever affect heart rate?
Increases heart rate
What is considered a normal pulse range for school-age children?
70 - 110 beats per minute
Which condition is characterized by a slow heart rate?
Bradycardia
What does an alternate pulse indicate?
Irregular heartbeats
Which factor influences the pulse range for newborns?
Age
This quiz covers the factors influencing blood pressure in the cardiovascular system, including the relationship between cardiac output and arterial distension, and the role of peripheral vascular resistance. Understand how changes in cardiac output and vascular resistance impact blood pressure.
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