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Questions and Answers
Which part of the nervous system is responsible for controlling involuntary bodily functions such as heart rate and blood pressure?
Which part of the nervous system is responsible for controlling involuntary bodily functions such as heart rate and blood pressure?
- Central Nervous System (CNS)
- Somatic Nervous System (SNS)
- Peripheral Nervous System (PNS)
- Autonomic Nervous System (ANS) (correct)
Which neurotransmitter is primarily involved in the Parasympathetic Nervous System (PSNS)?
Which neurotransmitter is primarily involved in the Parasympathetic Nervous System (PSNS)?
- Adrenaline
- Noradrenaline
- Nicotinic
- Acetylcholine (ACh) (correct)
What is the equation for Mean Arterial Pressure (MAP)?
What is the equation for Mean Arterial Pressure (MAP)?
- MAP = Cardiac Output (CO) x Total Peripheral Resistance (TPR) (correct)
- MAP = Flow x Resistance
- MAP = Stroke Volume x Heart Rate
- MAP = Vessel Diameter/Radius
Which receptor is primarily involved in the constriction of arterioles in the Sympathetic Nervous System (SNS)?
Which receptor is primarily involved in the constriction of arterioles in the Sympathetic Nervous System (SNS)?
Which part of the brain is responsible for regulating blood pressure and heart rate in the Sympathetic Nervous System (SNS)?
Which part of the brain is responsible for regulating blood pressure and heart rate in the Sympathetic Nervous System (SNS)?
Flashcards
Autonomic Nervous System (ANS)
Autonomic Nervous System (ANS)
Controls involuntary bodily functions like heart rate and blood pressure.
Acetylcholine (ACh)
Acetylcholine (ACh)
Primary neurotransmitter in the Parasympathetic Nervous System (PSNS).
Mean Arterial Pressure (MAP) equation
Mean Arterial Pressure (MAP) equation
MAP = Cardiac Output (CO) x Total Peripheral Resistance (TPR)
Alpha 1 receptor
Alpha 1 receptor
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Vasomotor Centre
Vasomotor Centre
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Study Notes
Autonomic Nervous System
- The autonomic nervous system is responsible for controlling involuntary bodily functions such as heart rate and blood pressure.
Neurotransmitters
- Acetylcholine is the neurotransmitter primarily involved in the Parasympathetic Nervous System (PSNS).
Blood Pressure Regulation
- Mean Arterial Pressure (MAP) is calculated using the equation: MAP = (SBP + 2DBP) / 3, where SBP is systolic blood pressure and DBP is diastolic blood pressure.
Sympathetic Nervous System
- α1 receptors are primarily involved in the constriction of arterioles in the Sympathetic Nervous System (SNS).
- The vasomotor center, located in the medulla oblongata of the brain, is responsible for regulating blood pressure and heart rate in the Sympathetic Nervous System (SNS).
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