Dual innervation refers to an organ receiving Which of these organs does not receive dual innervation? Drugs that block nicotinic receptors would be Muscarinic receptors Nicotinic receptors Sweat glands contain ________ receptors

1. Dual innervation refers to an organ receiving

both sympathetic and parasympathetic innervation.

2. Which of these organs does not receive dual innervation?

sweat glands

3. Drugs that block nicotinic receptors would be

autonomic blocking agents.

4. Muscarinic receptors

are normally activated by acetylcholine.

5. Nicotinic receptors

open chemically-gated sodium ion channels.

6. Sweat glands contain ________ receptors.

muscarinic cholinergic

7. Nicotine, the highly addictive plant toxin, activates nicotinic receptors in the peripheral nervous system. This means it will __________.

facilitate synaptic transmission at all autonomic neuroeffector synapses

8. Which of the following statements concerning the parasympathetic division of the autonomic nervous system is false?

Preganglionic fibers are relatively short and postganglionic fibers are relatively long.

9. Parasympathetic functions include all of the following, except

dilation of the airways.

10. Ganglionic neurons in the suprarenal gland

release epinephrine into blood capillaries.