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WorksheetsBlood Pressure Regulation Quiz
Total questions: 20
Worksheet time: 10mins
What is the normal value of systolic blood pressure in adults?
80 mmHg
100 mmHg
120 mmHg
140 mmHg
What does MAP stand for?
Maximum arterial pressure
Mean arterial pressure
Minimal arterial pressure
Moderate arterial pressure
Which of the following best defines diastolic blood pressure?
Pressure in veins
Pressure during ventricular contraction
Pressure during ventricular relaxation
Mean of systolic and diastolic pressure
Which formula is used to calculate Mean Arterial Pressure (MAP)?
DBP + SBP/2
SBP - DBP
DBP + 1/3 (SBP - DBP)
SBP + DBP/2
Which mechanism is *not* involved in short-term blood pressure regulation?
Baroreceptors
Chemoceptors
CNS ischemic response
Renin-angiotensin system
The long-term regulation of blood pressure is mainly by?
Chemoreceptors
Baroreceptor reflex
Renal-body fluid mechanism
Adrenal medulla
Which of the following is a vasoconstrictor hormone?
ANP
Bradykinin
Angiotensin II
Nitric oxide
Heart rate is primarily regulated by?
Hormones
Autonomic nervous system
Temperature
Reflexes
What does Marey’s Law state?
Heart rate increases with increased venous return
Heart rate varies inversely with arterial BP
Cardiac output is constant
Heart rate is constant
Which reflex is triggered by increased intracranial pressure?
Bainbridge reflex
Marey’s reflex
Cushing’s reflex
Bezold-Jarisch reflex
Cushing's reflex includes all **except**?
Bradycardia
Hypertension
Increased intracranial pressure
Vasodilation
Which of the following causes an increase in heart rate?
Vagal stimulation
Carotid sinus stimulation
Sympathetic stimulation
Aortic arch stimulation
The Windkessel effect is observed in?
Capillaries
Veins
Large arteries like aorta
Vena cava
What is the physiological importance of Windkessel effect?
Reduces blood volume
Prevents hypertension
Maintains continuous blood flow
Regulates cardiac output
Laplace’s Law relates wall tension to?
Radius and pressure
Heart rate and BP
Blood flow and viscosity
ECG and contraction
Baroreceptors are located in?
Carotid sinus and aortic arch
SA node and AV node
Atria and ventricles
Vena cava and aorta
Which mechanism decreases blood pressure?
Sympathetic discharge
Angiotensin II release
Parasympathetic stimulation
ADH release
Which of the following increases with exercise?
Diastolic BP
Heart rate
Parasympathetic tone
Peripheral resistance
Increased blood pressure stimulates baroreceptors to?
Increase HR
Decrease HR
Constrict vessels
Release renin
Intermediate regulation of blood pressure involves?
Baroreceptor reflex
Stress-relaxation response
Renin-angiotensin system
Chemoreceptors
