CH 6: Autonomic Nervous System

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Which branch of the autonomic nervous system is responsible for preparing the body for emergency situations?

Peripheral Nervous System

Parasympathetic Nervous System

Central Nervous System

Sympathetic Nervous System (correct)

Which action is NOT associated with the sympathetic nervous system?

Vasoconstriction

Dilating pupils

Increasing blood pressure

Decreasing heart rate (correct)

What is the main function of the parasympathetic nervous system?

Dilating blood vessels

Increasing peristalsis (correct)

Stimulating adrenaline secretion

Preparing the body for emergencies

What effect does the parasympathetic nervous system have on blood pressure?

Decreases blood pressure Signup and view all the answers

Which of the following is a shared characteristic of both sympathetic and parasympathetic nervous systems?

Causing relaxation of the bladder wall Signup and view all the answers

What physiological response is primarily controlled by the parasympathetic nervous system?

Decreased peristalsis Signup and view all the answers

Which of the following is a specific effect of the sympathetic nervous system on blood vessels?

Constriction in the skin Signup and view all the answers

Which system is responsible for the body's 'fight or flight' response?

Sympathetic nervous system Signup and view all the answers

What role does the parasympathetic nervous system play in the bladder?

Stimulates bladder wall contraction Signup and view all the answers

Which response is NOT characteristic of the sympathetic nervous system?

Decrease in blood pressure Signup and view all the answers

Which neurotransmitter is primarily involved in the sympathetic nervous system response?

Norepinephrine Signup and view all the answers

What is the main function of the autonomic nervous system?

Maintain internal balance Signup and view all the answers

Which branch of the autonomic nervous system is responsible for maintaining a 'rest and digest' state?

"Rest and Digest" Nervous System Signup and view all the answers

"The two systems work antagonistically to each other" implies that:

"They have opposing effects on the body." Signup and view all the answers

Which physiological effect is unique to the sympathetic nervous system?

Stimulates sweat secretion Signup and view all the answers

If the parasympathetic nervous system is activated, what would you expect to happen to the pupil size?

Pupil constriction Signup and view all the answers

Which of the following is an effect of the sympathetic nervous system on blood pressure?

Constricts blood vessels in the skin Signup and view all the answers

What effect does the parasympathetic nervous system have on peristalsis?

Increases peristalsis Signup and view all the answers

In which situation would you expect the sympathetic nervous system to be more active?

When faced with a sudden physical threat Signup and view all the answers

Which system is primarily responsible for causing vasodilation?

Parasympathetic nervous system Signup and view all the answers

What role does adrenaline play in the functioning of the autonomic nervous system?

Adrenaline is involved in the 'fight or flight' response activated by the sympathetic system. Signup and view all the answers

Which of the following is NOT a function of the autonomic nervous system?

Controlling voluntary movements Signup and view all the answers

Which statement best describes the relationship between the sympathetic and parasympathetic nervous systems?

They are antagonistic, with opposite effects on physiological responses. Signup and view all the answers