Multiple Choice
Which of the following is controlled by the autonomic nervous system?
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14. The Autonomic Nervous System
Introduction to the Autonomic Nervous System
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Which of the following is a clinical characteristic of neurogenic shock?
A
Bradycardia
B
Increased peripheral resistance
C
Tachycardia
D
Hypertension
Verified step by step guidance1
Understand the concept of neurogenic shock: Neurogenic shock is a type of distributive shock resulting from the loss of sympathetic tone due to spinal cord injury or other neurological conditions. This leads to widespread vasodilation.
Identify the physiological effects of neurogenic shock: The loss of sympathetic tone results in decreased peripheral resistance and hypotension due to vasodilation. Additionally, the heart rate may decrease, leading to bradycardia.
Analyze the options given: Bradycardia, Increased peripheral resistance, Tachycardia, Hypertension.
Evaluate each option based on the characteristics of neurogenic shock: Increased peripheral resistance and hypertension are not typical because neurogenic shock involves vasodilation and hypotension. Tachycardia is also not typical as neurogenic shock often leads to bradycardia.
Conclude with the correct clinical characteristic: Bradycardia is a clinical characteristic of neurogenic shock due to the loss of sympathetic tone.
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