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WorksheetsNervous System Functions and Neurotransmitters
Total questions: 10
Worksheet time: 4mins
What does the sympathetic nervous system prepare the body for?
Rest and digestion
Fight-or-flight
Sleep and relaxation
Nutrient absorption
What does the parasympathetic nervous system promote?
Increased heart rate
Bronchial constriction
Rest-and-digest
Pupil dilation
What is the sympathetic neurotransmitter at effector organs (postganglionic)?
Dopamine
Acetylcholine
Norepinephrine (NE)
Serotonin
What is the parasympathetic neurotransmitter at effector organs (postganglionic)?
Norepinephrine
Acetylcholine (ACh)
Epinephrine
Histamine
What effect does the sympathetic nervous system have on heart rate?
Decreases heart rate
Increases heart
No effect
Causes irregular rhythm
What effect does the parasympathetic nervous system have on heart rate?
Decreases heart rate (↓HR) ✓
Increases blood pressure
Increases contractility
Dilates blood vessels
What effect does the sympathetic nervous system have on bronchioles (airways)?
Constricts airways
Dilates (bronchodilation)
No effect
Increases mucus production
What effect does the parasympathetic nervous system have on bronchioles?
Dilates airways
Constricts (bronchoconstriction)
Increases oxygen intake
Relaxes smooth muscle
What effect does the sympathetic nervous system have on GI motility (peristalsis)?
Increases digestion
Decreases peristalsis
Increases stomach acid
Promotes bowel movements
Atropine blocks which receptors, causing tachycardia?
β1 adrenergic receptors
α1 adrenergic receptors
M2 muscarinic receptors
Nicotinic receptors
