Nervous System Quiz

How do the sympathetic and parasympathetic divisions usually interact?

• They always work together

• They usually have opposing effects

• They never interact

• They only work in emergencies

Tags

NGSS.HS-LS1-3

Which of the following is a result of increased parasympathetic activity?

• Increased metabolic rate

• Decreased secretion by glands

• Increased motility of the digestive tract

• Decreased urination

Tags

NGSS.HS-LS1-3

Which organ's glands are NOT directly mentioned as affected by parasympathetic activation?

• Salivary glands

• Gastric glands

• Pancreas

• Thyroid gland

What is the effect of parasympathetic activation on the force of heart contraction?

• Increases force

• Decreases force

• No change in force

• Causes irregular force

Tags

NGSS.HS-LS1-3

Which of the following is activated during the "fight or flight" response?

• Energy reserves

• Sleep cycles

• Digestive enzymes

• Relaxation hormones

What happens to energy reserves during increased sympathetic activity?

• They are depleted

• They are activated

• They are stored

• They are ignored

What neurotransmitters are distributed throughout the body by the sympathetic division?

• Dopamine and serotonin

• Acetylcholine and histamine

• Norepinephrine (NE) and epinephrine (E)

• GABA and glutamate

To what do norepinephrine and epinephrine bind in the sympathetic division?

• Cholinergic receptors

• Adrenergic receptors (alpha and beta)

• Dopaminergic receptors

• Serotonergic receptors

What is the effect of α-2 receptor activation on cells?

• Activation

• Inhibition

• Neutralization

• Excitation

Which of the following is NOT a result of α-1 receptor activation?

• Second messengers activated

• Release of Ca2+ from ER

• Inhibition of cell

• Smooth muscle contraction