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Question 19M.3.HL.TZ2.a.i

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Date May 2019 Marks available [Maximum mark: 2] Reference code 19M.3.HL.TZ2.a.i
Level HL Paper 3 Time zone TZ2
Command term Identify Question number a.i Adapted from N/A
a.i.
[Maximum mark: 2]
19M.3.HL.TZ2.a.i

Hearing loss can range from mild to severe. Cochlear implants have been used in those with profound hearing loss such as children who are born deaf. The image shows a cross section of the ear with a cochlear implant.

[Source: NIDCD (www.nidcd.nih.gov/health/cochlear-implants)]

Identify the parts of the ear labelled X and Y.

X:

Y:

 

[2]

Markscheme

X: semicircular canals ✔

Y: eardrum/tympanic membrane ✔

Examiners report

Generally correct answers although some inadvertedly inverted X and Y.

Syllabus sections