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Go through the following characterizatio...

Go through the following characterization of Sympathetic and Parasympathetic Nervous System.
I. Dilates pupul
II. `uarr` Heart rate. `uarr` BP (Vasoconstriction) `uarr` Glycogenolysis, dilates bronchi
III. Constricts pupil
IV. Induces ejaculation
V. `uarr` Gastric secretion, `uarr` salivary secretion, `uarr ` peristalsis
VI. Erection and urination

A

Sympathetic - III, V, VI, Parasympathetic-I, II, IV

B

Sympathetic - I, II, IV, Parasympathetic - III, V, VI

C

Sympathetic - II, IV, VI, Parasympathetic - 1, III, V

D

Sympathetic - I, III, V, Parasympathetic - II, IV, VI

Text Solution

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The correct Answer is:
To classify the functions of the Sympathetic and Parasympathetic Nervous Systems based on the given characteristics, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Characteristics**: - I. Dilates pupil - II. Increases heart rate, increases blood pressure (vasoconstriction), increases glycogenolysis, dilates bronchi - III. Constricts pupil - IV. Induces ejaculation - V. Increases gastric secretion, increases salivary secretion, increases peristalsis - VI. Erection and urination 2. **Classify Each Characteristic**: - **Sympathetic Nervous System**: - I. Dilates pupil (Sympathetic) - II. Increases heart rate, increases blood pressure, increases glycogenolysis, dilates bronchi (Sympathetic) - IV. Induces ejaculation (Sympathetic) - **Parasympathetic Nervous System**: - III. Constricts pupil (Parasympathetic) - V. Increases gastric secretion, increases salivary secretion, increases peristalsis (Parasympathetic) - VI. Erection and urination (Parasympathetic) 3. **Summarize the Findings**: - Sympathetic Nervous System is responsible for the "fight or flight" response, which includes dilating pupils, increasing heart rate, and inducing ejaculation. - Parasympathetic Nervous System is responsible for "rest and digest" functions, which include constricting pupils, increasing digestive secretions, and facilitating urination and erection. 4. **Select the Correct Option**: - Based on the classification: - Sympathetic: I, II, IV - Parasympathetic: III, V, VI - The correct option that matches this classification is the second option: Sympathetic (I, II, IV) and Parasympathetic (III, V, VI). ### Final Answer: The correct characterization of the Sympathetic and Parasympathetic Nervous Systems is option 2. ---
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