Multiple Choice
Which of the following statements about kwashiorkor is true?
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1. Introduction to Biology
Introduction to Biology
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In order to slow an increased heart rate, which branch of the autonomic nervous system is primarily activated?
A
Somatic nervous system
B
Enteric nervous system
C
Parasympathetic nervous system
D
Sympathetic nervous system
Verified step by step guidance1
Understand the autonomic nervous system (ANS): The ANS is divided into two main branches, the sympathetic and parasympathetic nervous systems, which regulate involuntary physiological functions such as heart rate, digestion, and respiratory rate.
Learn the role of the sympathetic nervous system: The sympathetic nervous system is responsible for the 'fight or flight' response, which increases heart rate, dilates airways, and prepares the body for action during stressful situations.
Learn the role of the parasympathetic nervous system: The parasympathetic nervous system is responsible for the 'rest and digest' response, which slows the heart rate, promotes digestion, and helps the body conserve energy during relaxed states.
Identify the correct branch for slowing heart rate: Since the parasympathetic nervous system is responsible for reducing heart rate, it is the branch primarily activated to counteract an increased heart rate.
Review the incorrect options: The somatic nervous system controls voluntary movements, the enteric nervous system regulates gastrointestinal functions, and the sympathetic nervous system increases heart rate, making them incorrect answers in this context.
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