Health Education Paper 2 WASSCE (PC 2ND), 2021

Question 3

 

 

The diagram below illustrates a part of the musculoskeletal system in humans. Study it and answer questions 3(a) to 3(c).

(a) Name:

(i) the parts labelled I, II, III and IV.                                                                [2 marks]

(ii) three bones that could be found in the structure illustrated in the diagram.     [3 marks]

(b) Mentiontwopossible movements associated with the structure.                        [2 marks]
(c)Name three injuries that could occur to the structure.                                     [3 marks]

 

Observation

 

 

The question was popular among candidatesand majority of the candidates that attempted this question performed well in it. Marks were however lost to spelling errors.

 

The expected answers are:

(a) (i)Parts labelled

  • Triceps
  • Humerus
  • Biceps
  • Tendon                                                                             

 

(ii)   Bones of the illustrated structure

  • Humerus
  • Clavicle
  • Scapula
  • Ulna
  • Radius

                                                                                                     

(b)   Possible movements associated with the illustrated structure

  • Flexion/bending/contracting
  • Extension/straightening/relaxing

                                                                                                                 

(c)     Injuries that could occur in the upper arm

  • Fracture
  • Dislocation
  • Sprain
  • Strain/overstretching
  • Wounds/cuts
  • Muscle cramps/pull/muscle fatigue/muscle spasm
  • Muscle tear
  • Muscle contusion/bruise
  • Burns/scalds