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Date	November 2018	Marks available	1	Reference code	18N.1.HL:.tz0.4
Level	Higher Level	Paper	Paper 1	Time zone	time zone 0
Command term		Question number	4	Adapted from	N/A

Question

Which is a function of the conducting airways?

A. Exchange gases

B. Resist air flow

C. Cool and moisten the air

D. Defend from substances inhaled

Markscheme

D

Examiners report

Mid-ranking question.

Syllabus sections

Topic 2: Exercise physiology » 2.1. Structure and function of the ventilatory system » 2.1.2. Outline the functions of the conducting airways.

16N.1.SL.tz0.5: What are the functions of the nose during inspiration? I. To moisten the air II. To diffuse...
21M.1.SL.tz0.5:
Which statement(s) about the functions of the conducting airways is/are correct?

I. Provide a low resistance pathway for airflow

II. Provide a site for gaseous exchange

III. Warm and moisten the air

A. I and II only

B. I and III only

C. II and III only

D. I, II and III
21M.2.HL:.tz0.9a.ii:
Describe the function of the conducting airways in maintaining a healthy state.
21N.2.HL:.tz0.9d:
Outline the nervous control and mechanics of inspiration during exercise.

Topic 2: Exercise physiology » 2.1. Structure and function of the ventilatory system

Topic 2: Exercise physiology