[Legacy] Support, Movement and Locomotion
53 questions· page 1 of 6
What happens when the triceps muscle of the forelimb begins to contract?
Options
A The biceps muscle begins to relax.
B It starts to pull the radius bone upwards.
C The arm becomes bent at the elbow joint.
D The upper arm is raised above the shoulder.
The diagram shows the bones of the human forelimb.
Which row names the three bones?
Options
| 1 | 2 | 3 | |
|---|---|---|---|
| A | humerus | ulna | radius |
| B | humerus | radius | ulna |
| C | scapula | radius | ulna |
| D | scapula | ulna | radius |
The diagram shows the forelimb of a rabbit.
Which labelled bone is the ulna?
Options
A A
B B
C C
D D
Which graph shows the lengths of the biceps and triceps muscles in the upper arm when the elbow joint is fully extended and the arm is straight?
Options
Which pair of bones form a hinge joint in the forelimb?
Options
A humerus and scapula
B radius and ulna
C scapula and radius
D ulna and humerus
The diagram shows how antagonistic muscles are arranged in the arm.
Which row describes the muscle action when the arm is straightened?
Options
| muscle 1 | muscle 2 | |
|---|---|---|
| A | contracts | expands |
| B | contracts | relaxes |
| C | expands | contracts |
| D | relaxes | contracts |
The diagram shows the bones of the arm.
Which label represents the radius?
The diagram shows the bones of the forelimb.
Which bones form the hinge joint of the forelimb?
Options
A 1, 2 and 3
B 1, 2 and 4
C 1, 3 and 4
D 2, 3 and 4
The diagram shows a section through the human brain.
Which labelled part contains the temperature regulation centre?
Options
A A
B B
C C
D D
Which statements about the elbow joint are correct?
- When the biceps muscle contracts, the elbow is bent.
- When the triceps muscle relaxes, the elbow is straightened.
- Skeletal muscles work in antagonistic pairs.
Options
A 1, 2 and 3
B 1 and 2 only
C 1 and 3 only
D 2 and 3 only