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Date November 2017 Marks available 2 Reference code 17N.3.SL.TZ0.05
Level Standard level Paper Paper 3 Time zone TZ0 / no time zone
Command term List Question number 05 Adapted from N/A

Question

The diagram shows the human brain.

[Source: By charlyzon (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons.]

Identify the structure labelled A.

[1]
a.i.

List two functions of the structure labelled A.

 

[2]
a.ii.

Outline the reason that Broca’s area is more developed in humans than other primates.

[1]
b.

Suggest how an injury to the brain can help in understanding brain function.

[1]
c.

Markscheme

medulla «oblongata»

OR

brain stem

a.i.

a. breathing «rate»

b. heart function

c. digestion/saliva production

d. swallowing reflex

e. coughing

f. vomiting

g. blood pressure

h. state of consciousness/sleep

Allow any two functions.

No ECF

[Max 2 Marks]

a.ii.

«controls motor functions involved with speech and» speech is more developed in humans

b.

observe any changes in the person

c.

Examiners report

[N/A]
a.i.
[N/A]
a.ii.
[N/A]
b.
[N/A]
c.

Syllabus sections

Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Core topics) » A.2 The human brain
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Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Core topics)
Option A: Neurobiology and behaviour

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