Dermatomes and Cutaneous fields

Dermatomes and Cutaneous fields

Assessment

Interactive Video

Health Sciences, Biology

University

Hard

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Dr. Morton explains dermatomes, areas of skin innervated by specific spinal cord levels, and their importance in health sciences. The tutorial covers the primary locations for testing each dermatome, emphasizing the significance of red dots for consistent testing despite variations in dermatome maps. Practical examples and mnemonic devices are provided to aid learning. The video concludes with practice questions to reinforce understanding.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'dermatome' literally mean?

A section of nerve

A section of bone

A section of skin

A section of muscle

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the red dots in dermatome maps?

They indicate areas with no sensory neurons

They represent areas with overlapping dermatomes

They mark the boundaries of each dermatome

They show consistent dermatome locations despite variations

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which dermatome is tested by touching the dorsal surface of the proximal phalanx of the thumb?

C7

C8

C6

C5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you remember the T4 dermatome location?

T4 for toe-four

T4 for teet-pore

T4 for four fingers

T4 for top-four

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main challenge when learning dermatome maps?

There are many variations in the maps

The maps are identical across all sources

The maps are only available in textbooks

The maps are not used in clinical practice

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the clinical significance of the varicella zoster virus in relation to dermatomes?

It causes nerve damage in dermatomal patterns

It causes vesicular rashes in dermatomal patterns

It causes bone pain in dermatomal patterns

It causes muscle weakness in dermatomal patterns

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which dermatome is associated with the skin over the third metatarsal phalangeal joint?

L3

L4

S1

L5

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