User interface language: English | Español

Date May 2017 Marks available 3 Reference code 17M.3.SL.TZ2.21
Level Standard level Paper Paper 3 Time zone Time zone 2
Command term Explain Question number 21 Adapted from N/A

Question

The diagram shows the use of a sphygmomanometer in the measurement of blood pressure.

Identify the systolic pressure and diastolic pressure for this adult male.

Systolic pressure (mm Hg):

Diastolic pressure (mm Hg):

[1]
a.

Explain the meaning of systolic and diastolic pressure.

[3]
b.

The photomicrograph shows cardiac muscle. Label the structures I and II.

 

[2]
c.

Markscheme

systolic: 115 

diastolic: 77 «mmHg»

Both needed for the mark.

a.

a. «systolic/diastolic» pressure is the force of blood on arteries 

b. systolic pressure is measured when the ventricle contracts
OR
systolic pressure is when blood is being pumped out of the heart 

c. diastolic pressure is measured when the ventricles are filled with blood
OR
heart is at rest/relaxed

b.

I: nucleus 

II: intercalated disc

c.

Examiners report

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

Syllabus sections

Option D: Human physiology » Option D: Human physiology (Core topics) » D.4 The heart
Show 66 related questions
Option D: Human physiology » Option D: Human physiology (Core topics)
Option D: Human physiology

View options