Lub hom phiaj ntawm daim duab suab yog dab tsi?

Video: Lub hom phiaj ntawm daim duab suab yog dab tsi?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

Ib audiometry kev tshuaj ntsuam xyuas seb koj qhov kev hnov lus zoo npaum li cas. Nws ntsuam xyuas ob qho tib si siv thiab lub suab nrov, qhov teeb meem sib npaug, thiab lwm yam teeb meem cuam tshuam nrog muaj nuj nqi ntawm pob ntseg sab hauv. Ib tus kws kho mob tshwj xeeb hauv kev kuaj mob thiab kho qhov hnov tsis hnov lus hu ua kws kho qhov muag mloog ua tus ntsuas.

Tib neeg tseem nug, dab tsi yog lub suab siv rau?

Ib audiogram yog ib daim duab sawv cev ntawm cov ntaub ntawv audiometric. Nws yog daim duab ntawm koj lub peev xwm mloog. Cov audiogram yog siv vim tias nws muab txoj hauv kev yooj yim rau pom kev muaj peev xwm hnov lus ntawm qhov ntsuas cuam tshuam nrog "ib txwm" ntau ntawm kev hnov lus. Cov kab ntsug ntawm ib qho audiogram sawv cev suab lossis zaus.

Ib qho ntxiv, lub hom phiaj ntawm kev kuaj cov pob txha yog dab tsi? Tus oscillator vibrates thiab xa lub suab ntshiab lub suab ncaj qha mus rau hauv cochlea, hla dhau sab nrauv thiab pob ntseg nruab nrab. Qhov no xeem yog ib qho tseem ceeb hauv kev pab txiav txim seb puas muaj teeb meem nrog lub pob ntseg sab nraud, xws li pob ntseg pob ntseg, lossis pob ntseg nruab nrab, xws li pob ntseg lossis pob txha ntawm pob ntseg nruab nrab.

Ib yam li ntawd, yuav ua li cas thiaj li sau tau suab?

Lub suab dawb huv audiometry ntsuas ntsuas qhov muag muag, lossis tsawg tshaj plaws hnov, lub suab uas ib tus neeg tuaj yeem hnov. Thaum kuaj, koj yuav hnav lub pob ntseg thiab hnov ntau lub suab qhia rau ib pob ntseg ib zaug. Lub suab nrov ntawm lub suab ntsuas hauv decibels (dB). Lub suab nrov yog ntsuas hauv zaus (Hz).

Dab tsi yog qhov ntsuas hluav taws xob siv los ntsuas?

Feem ntau, cov kev ntsuam xyuas audiometric txiav txim siab txog qib kev hnov lus nrog kev pab ntawm lub ntsuas suab, tab sis kuj tseem tuaj yeem ntsuas lub peev xwm los sib cais ntawm cov suab sib txawv, paub lub suab, lossis paub qhov txawv ntawm cov suab nrov tom qab. Acoustic reflex thiab otoacoustic tso tawm kuj tseem yuav ntsuas.

Pom zoo:

Koj hu dab tsi daim duab zais hauv daim duab?

Stereograms yog cov duab 3D zais hauv lwm daim duab. Txhawm rau saib cov duab 3D, tsuas yog saib ntawm daim duab kom txog thaum cov duab pib hloov pauv. Nrhiav tus Pin no thiab ntau ntxiv ntawm Kev Paub Txog & Qhov Tsis Txaus Ntseeg Quizzes los ntawm Playbuzz. 3d Thaum Duab. Thaum 3d dluab

Lub hom phiaj ntawm cov roj raus dej uas siv nrog 100x lub hom phiaj xeem ntawv yog dab tsi?

Hauv lub tshuab tsom me me, kev tso roj yog txheej txheem siv txhawm rau txhawm rau daws qhov teeb meem ntawm lub tsom iav. Qhov no yog ua tiav los ntawm kev raus ob lub hom phiaj tsom iav thiab cov hnoos qeev hauv cov roj pob tshab ntawm qhov ntsuas siab refractive, yog li ua kom cov zauv zauv ntawm lub hom phiaj tsom iav

Lub hom phiaj ntawm cov ntawv ci txhuas hauv pob ntawv zaj duab xis kho hniav yog dab tsi?

Kev Kho Hniav Hniav thiab Ntim. Lub hom phiaj ntawm cov ntawv ci txhuas thim rov qab yog ua kom lub nqaj nqaim nqaim thiab nqus cov tawg tawg tawg (rov qab tawg) los ntawm kev ntaus cov zaj duab xis emulsion los ntawm sab nraub qaum ntawm zaj duab xis (sab sab ntawm lub raj), thiab uas tom qab ntawd yuav pos huab zaj duab xis

Dab tsi yog qhov tseem ceeb ntawm daim duab peb sab anterior ntawm lub caj dab?

Muaj ntau qhov teeb meem vascular tseem ceeb hauv daim duab peb sab ua ntej. Feem ntau cov hlab ntsha carotid bifurcates nyob rau hauv daim duab peb sab mus rau sab nraud thiab sab hauv carotid ceg. Internal jugular vein kuj tuaj yeem pom nyob rau hauv cheeb tsam no - nws yog lub luag haujlwm rau venous kua ntawm lub taub hau thiab caj dab