Gen. Med: Head, ENT Flashcards Preview

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Flashcards in Gen. Med: Head, ENT Deck (15)
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1

The cerebrum controls...

Coordinates all voluntary muscle activities, interprets sensory impulses & controls higher mental functions (memory, reasoning, intelligence, learning, judgement, & emotion)

2

Cerebellum controls...

Synergistic movements of skeletal muscle and plays a critical role in coordination of voluntary movements

3

The pons controls...

Sleep, posture, respiration, swallowing, & bladder

4

The medulla oblongata location ad function

*Lowest part of the brain stem
*regulates HR, breathing, BP, coughing, sneezing, & vomiting

5

Layers of meninges...

SKULL
*Dura mater
^periosteal layer
^meningeal layer
-Subdural space
*Arachnoid mater
-Subarachnoid space
*pia mater
BRAIN

6

Meninges are...

3 membranes that protect the brain and spinal cord

7

Dura mater?

*Consists of dense, fibrous, in elastic sheath
*Encloses the brain and cord

8

Arachnoid mater?

*Extremely delicate sheath
*Lines the dura mater
*Attached to the spinal cord

9

The Subdural space contains...

*Veins
*Connects the dura & arachnoid

10

The Subarachnoid space...

*Contains spinal fluid
*Separates the arachnoid and pia

11

The Pia mater...

*Delicate, highly vascularized membrane
*Adheres closely to the spinal cord & brain

12

Cerebrospinal fluid location & function

*Between arachnoid & pia
^completely surrounds & suspends the brain
*Cushions & diminishes shock force

13

6 aspects of neurological exam...

1. Cerebral: cognitive function
2. Cranial Nerve
3. Cerebellar: coordination & motor function
4. Sensory
5. Reflex
6. Motor

14

Battle's Sign?

Bleeding behind the ears

15

Contrecoup Injury?

A blow to the head with the injury occurring on the opposite side of impact