| Date | November 2021 | Marks available | 3 | Reference code | 21N.2.SL.tz0.2 |
| Level | Standard Level | Paper | Paper 2 | Time zone | time zone 0 |
| Command term | Outline | Question number | 2 | Adapted from | N/A |
Question
The diagram shows a long bone.
[Source: OpenStax College – Anatomy & Physiology, Connexions Web site. http://cnx.org/content/col11496/1.6/, Jun 19, 2013.
Attribution 3.0 Unported (CC BY 3.0) https://creativecommons.org/licenses/by/3.0/.]
Label structures A and B in the diagram.
A:
B:
State the location of the femur in relation to the tibia using anatomical terminology.
State the location of the sternum in relation to the vertebral column using anatomical terminology.
Outline three functions of cartilage.
Markscheme
A: <proximal> epiphysis;
B: diaphysis;
superior
OR
proximal;
anterior;
joins bone to bone ‹as in cartilaginous joints› / structural support;
allows limited movement ‹in cartilaginous joints›;
shock absorption;
reduce friction / protection of bone;
Examiners report
Generally, candidates were able to identify the correct structures of the long bone.
(b)(i) and (ii) 2bi was well answered, but they found it tricky to give the location of the sternum.
Most candidates gained 2 marks from this question.
