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Which of the following statements correctly describes the activation of autonomic nervous system function within the circulatory system?
  • a)
    Sympathetic nervous system activation decreases cardiac output.
  • b)
    Parasympathetic nervous system activation increases heart rate.
  • c)
    Sympathetic nervous system activation constricts arteries found within the salivary glands.
  • d)
    Parasympathetic nervous system activation constricts arteries found within erectile tissue.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following statements correctly describes the activation o...
The autonomic nervous system (ANS) controls involuntary functions, including those related to the circulatory system. The ANS consists of two main divisions: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PSNS). Each division has different effects on various physiological processes.
Sympathetic nervous system activation generally leads to the "fight-or-flight" response, which prepares the body for intense physical activity. As part of this response, sympathetic stimulation causes vasoconstriction in many organs and tissues, including the salivary glands. This vasoconstriction reduces blood flow to the salivary glands, leading to decreased saliva production.
Therefore, the correct statement is Option C: Sympathetic nervous system activation constricts arteries found within the salivary glands.
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Which of the following statements correctly describes the activation of autonomic nervous system function within the circulatory system?a)Sympathetic nervous system activation decreases cardiac output.b)Parasympathetic nervous system activation increases heart rate.c)Sympathetic nervous system activation constricts arteries found within the salivary glands.d)Parasympathetic nervous system activation constricts arteries found within erectile tissue.Correct answer is option 'C'. Can you explain this answer? for MCAT 2025 is part of MCAT preparation. The Question and answers have been prepared according to the MCAT exam syllabus. Information about Which of the following statements correctly describes the activation of autonomic nervous system function within the circulatory system?a)Sympathetic nervous system activation decreases cardiac output.b)Parasympathetic nervous system activation increases heart rate.c)Sympathetic nervous system activation constricts arteries found within the salivary glands.d)Parasympathetic nervous system activation constricts arteries found within erectile tissue.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for MCAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements correctly describes the activation of autonomic nervous system function within the circulatory system?a)Sympathetic nervous system activation decreases cardiac output.b)Parasympathetic nervous system activation increases heart rate.c)Sympathetic nervous system activation constricts arteries found within the salivary glands.d)Parasympathetic nervous system activation constricts arteries found within erectile tissue.Correct answer is option 'C'. Can you explain this answer?.
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