Autonomic Nervous System

All of the following characterize the ANS except:

• Innervation of skeletal muscles

• Presence of nerve cell bodies in ganglia

• Presence of nerve cell bodies in CNS

• Two-neuron efferent chain

Which pair is correctly matched?

ACh: Acetylcholine

NE: Norepinephrine

• Parasympathetic Postganglionic Axon; Release ACh

• Parasympathetic Preganglionic Axons; Release NE

• Sympathetic Postganglionic Axons; Release NE

• Sympathetic Preganglionic Axons; release NE

Which don't have nicotinic receptors of the neuronal type?

• Parasympathetic postganglionic neurons

• Sympathetic postganglionic neurons

• Adrenal medulla cells

• Parasympathetic preganglionic neurons

The majority of preganglionic parasympathetic fibers are housed within which cranial nerve?

• Facial

• Vagus

• Oculomotor

• Glossopharyngeal

Predict the outcome of an experiment in which adrenal medulla cells are treated with nicotine

• The adrenal medulla is inhibited by nicotine

• Blood levels of epinephrine & norepinephrine decrease

• Blood levels of acetylcholine increase

• Blood levels of epinephrine & norepinephrine increase

Fibers that release acetylcholine and called ____ fibers, whereas those that release norepinephrine are called ____ fibers

• Cholinergic, adrenergic

• Somatic, autonomic

• Adrenergic, cholinergic

• Sensory, somatic

Which receptor type and its location is correctly matched?

• B1: heart

• B2: adipose tissue

• B3: lungs

• A1: pancreas

• A2: blood vessels serving the skin

The sympathetic division is involved in which of the following processes

• Increasing glucose metabolism

• Decreasing urinary output

• Regulating blood pressure

• Decreasing urinary output

Tags

NGSS.HS-LS1-3

Which area of the body receives no innervation by the parasympathetic nervous system?

• Sweat glands

• Adrenal medulla

• Kidneys

• Blood vessels

• Arrecti pili muscles

Regulation of heart rate at low normal levels is achieved by the ____

• Sympathetic Divison

• Parasympathetic Division

• Somatic Division

Tags

NGSS.HS-LS1-3