Question 5
The diagram below illustrates a disease condition in humans. Study it and answer questions 5(a) and 5(b).
(a)(i) Name the disease condition illustrated in the diagram. [1 mark]
(ii) State one likely cause of the disease condition illustrated. [1 mark]
(b) (i) Mention four food items that could correct the disease condition. [4 marks]
(ii) State four observable features of the disease condition. [4 marks]
The diagram below illustrates a type of joint in humans. Study it and answer questions5(c) to 5(e).
.png)
(c)(i) What type of joint is illustrated? [1 mark]
(ii) Name the parts labeled I, II and III. [3 marks]
(iii) State one function of the part labeled II. [1 mark]
(d)State two types of injury that could affect the illustrated joint. [2 marks]
(e)State three other types of joints. [3 marks]
Observation
Many candidates attempted this question and were able to supply correct answer to questions 5(a)(i) and (ii). Majority of candidates could not provide correct answers to 5(c)(ii) and (iii).
The expected answers are:
(a) (i) Name of disease condition
Kwashiorkor
(ii) Cause of Kwashiorkor
Deficiency of protein in diet
(b) (i) Food items that could correct Kwashiorkor
- Meat/named
- Fish/named
- Dairy/milk products/named
- Eggs
- Soy/soya milk
- Beans/soya beans
(ii) Observable features of Kwashiorkor
- Big head
- Thin/slim neck
- Bones of the ribs showing
- Weight loss/retarded growth/flabby muscles/loss of muscle mass/lean body
- Sunken eyes
- Protruded/swollen/bulging/distended/bloated stomach/belly
- Thin hands/legs
(c) (i) Type of joint illustrated
Synovial/hinge/movable joint/named
(ii) Parts labelled
I - Articular/hyaline cartilage
II – Synovial fluid/joint fluid
III – Synovial membrane/covering
Note: Correct spelling scores
(iii) Function of Synovial fluid/II
- Cushions the end of bones/absorbs shock
- Reduces friction during movement/moistens/lubricates joint
- Supply nutrients to articular cartilage
- Disposes waste
(d) Injuries that could affect the joint
- Dislocation
- Sprain
- Fracture
- Strain/ligament tear
- Synovitis
- Contusion/bruise
(e) Other types of joint
- Ball and socket joint/named
- Immovable joint/named
- Pivot joint/named
- Saddle joint/named
- Gliding/sliding joint/named
- Condyloid joint/named
- Suture joint/named