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BMS165 > The Ear WK6 L3 > Flashcards

The Ear WK6 L3 Flashcards

1
Q

HOW IS SOUND HEARD?

A

AUDIBLE VIBRATION OF AIR MOLECULES

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2
Q

WHAT DOES THE OUTTER EAR INCLUDE?

A

PINNA - AUDITORY CANNAL

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3
Q

WHAT PART IS THE PINNA

A

FLESHY OUTTER PART

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4
Q

WHAT DOES THE PINNA DO?

A

FUNNELS AIR VIBRATIONS DOWN ACOUSTIC MEATUS INTO AUDITORY CANNAL

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5
Q

WHAT PART OF THE EAR IS AT THE END OF THE AIR CANNAL?

A

TYMPANIC MEMBRANE

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6
Q

WHAT IS IN THE MIDDLE EAR?

A

TYMPANIC MEMBRANE - TYMPNI MUSCLES - OSSICLES - OVAL WINDOW -
AUDITORY TUBE

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7
Q

WHAT IS THE MIDDLE EAR FILLED WITH?

A

AIR

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8
Q

WHAT ARE THE OSSICLES OF THE EARS?

A

BONES IN INNER EAR - MALLEUS - INCUS - STAPES

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9
Q

WHAT DOES AUDITORY TUBE DO?

A

BALANCE PRESSURE OF TYMPANIC MEMBRANE

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10
Q

WHAT IS IN THE INNER EAR?

A

COCHLEAR - COCHLEAR NERVE - VESTIBULAR APPARATUS - VESTIBULAR NERVE - FACIAL NERVE -

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11
Q

WHAT IS THE INNER EAR FILLED WITH?

A

FLESHY TUBES LINING BONY TUNNELS FILLED WITH ENDOLYMPH & WITH PERILYMPH AROUND THE OUTSIDE

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12
Q

WHAT IS THE COCHLEA?

A

FOR HEARING

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13
Q

WHAT IS THE VESTIBULAR APPARATUS?

A

FOR BALANCE

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14
Q

WHAT IS INSIDE THE COCHLEAR?

A

SCALA VESTIBULI - VESTIBULAR MEMBRANE - SCALA TYMPANI - BASILAR MEMBRANE - COCHLEAR DUCT - SPIRAL ORGAN - TECTORIAL MEMBRANE

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15
Q

HOW DOES THE COCHEA FUNCTION?

A

OSSICLES TRANSFER VIBRATIONS FROM EAR DRUM TO OVAL WINDOW - PRESSURE AT OVAL WINDOW PUSHES PERILYMPH INTO SCALA VESTIBULI AND SCALA TYMPANI - ROUND WINDOW MEMBRANE BUGES OUT

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16
Q

HOW DOES THE SPIRAL ORGAN FUNCTION?

A

SOUNDWAVES PUSH ON TECTORIAL MEMBRANE WHICH THEN PUSHES ON OUTTER HAIR CELLS MAKING THM BEND - WHEN THE HAIR CELLS BEND THEY RELEASE NEURO TRANSMITTERS WHICH ACTIVATE SENSORY NEURONS

17
Q

WHAT ARE THE STRUCTURES IN VESTIBULAR APPARATUS?

A

SEMICIRCULAR DUCTS - SACCULE & UTRICLE

18
Q

WHAT DOT HE SACCULE & UTRICLE CONTROL?

A

DYNAMIC & STATIC EQUILIBRIUM

19
Q

WHAT IS DYNAMIC EQUILIBRIUM?

A

SENCE OF WHAT YOUR HEAD IS DOING WHEN YOU ARE MOVING AND IN WHAT DIRECTION

20
Q

WHAT IS STATIC EQUILIBRIUM?

A

SENSE OF WHERE YOUR HEAD IS WHEN NOT MOVING

21
Q

WHAT DO SEMICIRCULAR DUCTS CONTAIN?

A

CRISTA

22
Q

WHAT DO SACCULE AND UTRICLE CONTAIN?

A

MACULA

23
Q

WHAT IS ROTATIONAL MOVEMENT PERCIEVED BY?

A

CRISTA

24
Q

WHAT IS LINNEAR ACCELERATION PERCIEVED BY?

A

MACULA

25
Q

WHAT DO

A

BMS165 (39 decks)

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