,l Flashcards

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1
Q

The sympathetic and parasympathetic divisions of the autonomic nervous system regulate smooth muscle, cardiac muscle and glands Blank______ and the enteric division of the autonomic nervous system regulates the Blank______.

Multiple choice question.

throughout the body, digestive system

digestive system, cardiovascular system

throughout the body, skeletal muscle

cardiovascular system, digestive system

A

throughout the body, digestive system

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2
Q

Describe a postganglionic neuron.

Multiple choice question.

They are unmyelinated and extend from the target cell to the cerebrum.

They are unmyelinated and extend from the autonomic ganglion to the target cells.

They are myelinated and extend from the autonomic ganglion to the target cells.

They are myelinated and extend from the anterior horn to the target cells.

A

They are unmyelinated and extend from the autonomic ganglion to the target cells.

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3
Q

Name the sympathetic nerves or plexus whose axons innervate the salivary glands.

Multiple choice question.

Head and neck nerve plexuses

Thoracic nerve plexuses

Spinal nerves

Abdominopelvic plexuses

A

Head and neck nerve plexuses

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4
Q

Identify specific effects of the parasympathetic nervous system. Select all that apply.

Multiple select question.

Increased digestive activity

Increased secretion of sweat glands

Increased urine production

Constriction of blood vessels to the heart

Decreased heart rate

Pupil constriction

Dilation of respiratory passages

A

Increased digestive activity

Increased urine production

Decreased heart rate

Pupil constriction

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5
Q

Most of the sympathetic nerve supply to the head and neck is derived from the Blank______ ganglion.

Multiple choice question.

inferior cervical

inferior celiac

superior collateral

superior cervical

A

superior cervical

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6
Q

A sudden increase in blood pressure initiates a Blank______ reflex that Blank______ the cardiac muscle cells.

Multiple choice question.

sympathetic,inhibits

parasympathetic,stimulates

parasympathetic, inhibits

sympathetic, stimulates

A
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7
Q

parasympathetic, inhibits

A
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8
Q

An individual is running in a race. What effects would be due to the sympathetic nervous system? Select all that apply.

Multiple select question.

Decreased urine production

Increased secretion of insulin

Dilation of respiratory passages

Increased gastric secretions

Constriction of blood vessels to tissues not involved in running.

Constriction of pupils

Increased heart rate

A

Decreased urine production

Dilation of respiratory passages

Constriction of blood vessels to tissues not involved in running.

Increased heart rate

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9
Q

Identify the location of muscarinic receptors.

Multiple choice question.

Skeletal muscle cells

Postganglionic neurons in the autonomic ganglia

Preganglionic neurons

Effector cells of postganglionic neurons

A

Effector cells of postganglionic neurons

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