NZQA registered unit standard
12730 version 4
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Title
Describe the special senses of the human body
Level
4
Credits
4
Purpose
People credited with this unit standard are able to describe: the
ear and the functional process of hearing and balance; the eye
and the normal functional process of sight; the nose and the
functional process of smell; and the tongue and the functional
process of taste.
Classification
Health, Disability, and Aged Support > Core Health
Available grade
Achieved
Explanatory notes
1
Reference
Marieb, E.N. (2010). Essentials of human anatomy and physiology (10th ed.). San
Francisco, CA: Pearson/Benjamin Cummings.
2
As the content of this unit standard is largely informational, evidence requirements
assume that knowledge will be acquired from the reference text in conjunction with
models and other information-bearing media. In this regard it is expected that
outcomes and evidence will be in accordance with the reference text.
3
Definition
Normal structure and function refers to structure and function which are not impaired
by abnormalities or dysfunction.
Outcomes and evidence requirements
Outcome 1
Describe the ear and the functional process of hearing and balance.
Evidence requirements
1.1
The structure of the ear is described.
Range
1.2
external ear, middle ear, inner ear, vestibulocochlear nerve.
The functional process of hearing is described.
Range
sound waves, tympanic membrane, ossicles, oval window, spiral
organ/organ of Corti, vestibulocochlear nerve.
Community Support Services ITO Limited
SSB Code 101814
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
1.3
12730 version 4
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The role of the ear in maintenance of balance is described.
Range
static equilibrium, dynamic equilibrium.
Outcome 2
Describe the eye and the normal functional process of sight.
Evidence requirements
2.1
The normal structure and function of the eye are described.
Range
2.2
The function of the accessory structures of the eye is described.
Range
2.3
sclera, cornea, choroid, ciliary body, iris, lens, retina, interior of
eyeball, optic nerve.
eyelashes, eyebrows, eyelids, conjunctiva, lacrimal gland, lacrimal
sac.
The normal functional process of sight is described.
Range
refraction, accommodation, convergence, rods and cones.
Outcome 3
Describe the nose and the functional process of smell.
Evidence requirements
3.1
The structure of the nose in relation to the sense of smell is described.
Range
3.2
superior nasal conchae, roof of nose, mucous membrane,
olfactory nerve endings and fibres, olfactory bulb, olfactory tract.
The functional process of smell is described.
Range
inhalation of chemical particles, dissolving of particles, stimulation
of nerve cells, perception threshold.
Outcome 4
Describe the tongue and the functional process of taste.
Evidence requirements
4.1
The structure of the tongue in relation to the sense of taste is described.
Range
4.2
papillae, taste buds.
The functional process of taste is described.
Community Support Services ITO Limited
SSB Code 101814
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Range
12730 version 4
Page 3 of 3
areas of taste sensation including sweet, sour, bitter, and salt;
sensations of taste; stimulation of nerves; gustatory centre.
Planned review date
31 December 2017
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
23 October 1998
31 December 2012
Review
2
26 May 2004
31 December 2012
Review
3
20 March 2008
31 December 2012
Review
4
20 September 2012
N/A
Consent and Moderation Requirements (CMR) reference
0024
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact the Community Support Services ITO Limited info@careerforce.org.nz if
you wish to suggest changes to the content of this unit standard.
Community Support Services ITO Limited
SSB Code 101814
 New Zealand Qualifications Authority 2016