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Taking Blood Pressure and Understanding Systolic/Diastolic Pressure

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Taking Blood Pressure and Understanding Systolic/Diastolic Pressure

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Questions and Answers

What is the primary parameter influenced in the heart after postural changes, exercise, and the dive reflex?

TP interval (correct)

P wave width

QT interval

QRS wave width

How does the autonomic nervous system respond during postural changes regarding heart rate?

Enteric nervous system activation

Somatic nervous system activation

Parasympathetic nervous system activation (correct)

Sympathetic nervous system activation

During exercise, why does systolic pressure increase more than diastolic pressure?

Increased arteriole constriction during systole

Enhanced activation of Parasympathetic nervous system

Need to supply more blood to exercising muscles (correct)

Decreased blood flow to exercising muscles

What is the physiological response of the dive reflex on heart rate?

Decrease in heart rate for survival (A) Signup and view all the answers

What is the main cause of heart sounds heard during cardiac cycles?

Opening and closing of heart valves (B) Signup and view all the answers

What happens to vessel diameter during reactive hyperemia?

Vessel dilation (B) Signup and view all the answers

What is the first sound you hear when measuring blood pressure with a stethoscope?

Systolic pressure (D) Signup and view all the answers

Why is systolic pressure typically higher than diastolic pressure?

Systolic pressure occurs when the heart first contracts (B) Signup and view all the answers

Which segment of an ECG tracing indicates ventricular depolarization?

QRS Complex (D) Signup and view all the answers

What does the T wave represent in an ECG tracing?

Repolarization of the ventricles (B) Signup and view all the answers