| Date | May 2017 | Marks available | 1 | Reference code | 17M.3.SL.TZ2.21 |
| Level | Standard level | Paper | Paper 3 | Time zone | Time zone 2 |
| Command term | Identify | 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.
