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Questions and Answers
What is the normal range for diastolic blood pressure?
What is the normal range for diastolic blood pressure?
- 90-100 mm Hg
- 70-80 mm Hg (correct)
- 60-70 mm Hg
- 100-110 mm Hg
Which component of blood pressure does atherosclerosis affect?
Which component of blood pressure does atherosclerosis affect?
- Diastolic pressure
- Systolic pressure
- Venous pressure
- Peripheral resistance (correct)
What is the role of 1-way valves in veins?
What is the role of 1-way valves in veins?
- Prevent ventricular contraction
- Increase venous pressure
- Promote backflow of blood
- Facilitate blood flow towards the heart (correct)
What causes blood to pool in veins during quiet standing?
What causes blood to pool in veins during quiet standing?
What does the top number in a blood pressure reading represent?
What does the top number in a blood pressure reading represent?
How does atherosclerosis impact blood flow in arteries?
How does atherosclerosis impact blood flow in arteries?
Which of the following receives sensory information from baroreceptors in the aorta and carotid sinus?
Which of the following receives sensory information from baroreceptors in the aorta and carotid sinus?
If the right side of the heart pumped 1 ml more blood per beat, what could be the consequence within 90 minutes according to the text?
If the right side of the heart pumped 1 ml more blood per beat, what could be the consequence within 90 minutes according to the text?
What primarily affects Stroke Volume according to the text?
What primarily affects Stroke Volume according to the text?
In the context of blood vessels, what creates blood pressure?
In the context of blood vessels, what creates blood pressure?
Which part of the autonomic nervous system innervates the SA and AV nodes with antagonistic controls?
Which part of the autonomic nervous system innervates the SA and AV nodes with antagonistic controls?
What monitors carbon dioxide and pH levels and influences heart rate based on their variations?
What monitors carbon dioxide and pH levels and influences heart rate based on their variations?
Which part of the heart conducting system is responsible for initiating the stimulus that causes atria to contract?
Which part of the heart conducting system is responsible for initiating the stimulus that causes atria to contract?
What is the function of the AV Bundle (Bundle of His) in the heart conducting system?
What is the function of the AV Bundle (Bundle of His) in the heart conducting system?
Which wave in an ECG represents the passage of current through the ventricles from the AV Node to Purkinje Fibers?
Which wave in an ECG represents the passage of current through the ventricles from the AV Node to Purkinje Fibers?
What is the main function of Purkinje Fibers in the heart conducting system?
What is the main function of Purkinje Fibers in the heart conducting system?
How does an ECG typically represent the electrical activity of the heart conducting system?
How does an ECG typically represent the electrical activity of the heart conducting system?
Which part of the heart conducts impulses from the SA Node to the AV Node?
Which part of the heart conducts impulses from the SA Node to the AV Node?
What is the primary role of the SA Node in the heart conducting system?
What is the primary role of the SA Node in the heart conducting system?
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