Chapter 13: Peripheral Nervous System Flashcards by Chiamaka Patrick

Q

Olafactory nerve number and function?

A

1 and smell

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Q

Optic nerve number and function?

A

2 and seeing

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Q

Vestibulocochlear number and function?

A

8 and transmits information from inner ear to brain

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Q

Oculomotor nerve number and function?

A

3 and moving, opening eyeball and constricting pupil

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Q

Trochlear nerve number and function?

A

4 and involved in eye

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Q

Abducens nerve number and function?

A

6 and lateral rectal muscles in eye

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Q

Accessory nerve number and function?

A

11 and innervates certain muscles of speech

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Q

Hypoglossal nerve number and function?

A

12 and innervates muscles of tongue

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Q

Trigmenial nerve number and function?

A

5 and involved in swallowing

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Q

Facial nerve number and function?

A

7 and helps in tasting

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Q

Glossopharyngeal nerve number and function?

A

9 and helps in swallowing

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Q

Vagus nerve number and function?

A

Ten and gastrointestinal stuff

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Q

How do spinal nerves form?

A

Anterior and posterior roots fuse

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Q

Which plexus works on the upper limb?

A

Brachial

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Q

What plexus are in the lower limb?

A

Lumbar and sacral plexus

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Q

What is the longest nerve in the body?

A

Sciatic nerve

Q

Where does sensory transduction occur?

A

In PNS sensory neurons

Q

What are receptors for pain called?

A

Nocireceptors

Q

What nervous system interprets sensory neurons?

A

CNS

Q

What is needed for reflex arc to start?

A

Detection by receptor and delivery of stimulus

Q

Afferent vs efferent

A

Afferent is information coming in while efferent is information going out

Q

What is sympathetic vs parasympathetic?

A

Fight or flight and rest or digest

Q

What does the PNS link the CNS to?

A

The body and external environment

Q

How many pairs of cervical nerves are there?

A

8

How many pairs of spinal nerves are there?

31

How many pairs of thoracic nerves are there?

12

How many pairs of lumbar nerves are there?

5

How many pairs of sacral nerves are there?

5

How many pairs of coccygeal nerves are there?

1

Is the posterior root only sensory or motor?

Sensory

What is the plexus?

Where a bunch of nerves come together

What is hurts when you hit your funny bone?

Ulnar nerve

What is the femoral nerve?

Anterior thigh muscle

What can reflexes be divided into?

Type of organ and number of synapses