Assignment brief – QCF BTEC
Assignment front sheet
Qualification Unit number and title
QCF Edexcel BTEC Level 3 National Diploma
in Applied Science and Extended Diploma in Unit 21 Biomedical Science Techniques
Applied Science
Learner name Assessor name
Nergiz Canitez K Omari
Date issued Hand in deadline Submitted on
28.09.18 2/11/2018 05/11/2018
Assignment title Antimicrobials and Immunisation
In this assessment you will have opportunities to provide evidence against the following,
criteria.
Indicate the page numbers where the evidence can be found.
Criteria To achieve the criteria the evidence must show Task no. Evidenc
reference that the learner is able to: e
Describe the structure and characteristics of major
P1 1 X
groups of organisms of medical importance
Carry out preparative work related to organisms of
P2 2 X
medical importance
Explain the sources of infection, routes of
M1 transmission and entry into the human body of 3 X
micro-organisms of medical importance
D1 Assess the effectiveness of antimicrobials 4 X
P3 Explain how the body defends itself against infection 5 X
Explain how the cells of the immune system allow an
M2 6 X
immune response to be evoked and maintained
Compare and contrast the effectiveness and
D2 efficiency of non-specific defences with specific 7 X
defences
Learner declaration
1 | Page
,I certify that the work submitted for this assignment is my own. I
have clearly referenced any sources used in the work. I understand that false declaration is a
form of malpractice.
Learner signature: Date: 05/11/2018
2 | Page
, Assignment brief
QCF Edexcel BTEC Level 3
Qualification National Diploma in Applied Science and Extended Diploma
in Applied Science
Unit number and title Unit 21 Biomedical Science Techniques
Assessor name K Omari
Date issued 28.09.18
Hand in deadline 19/10/18
Assignment title
Purpose of this assignment
The assignment explores the major groups of organisms of medical importance. It will enable
learners to explain how disease spreads throughout the population. Mechanisms used to
control such organisms both inside and outside the body will be examined including the body’s
methods of defence.
Scenario
You are a young scientist and have begun work in industry or in healthcare. You are
investigating the outbreak of some infections in your area. You need to carry out some
identification experiments and also to write a report on how the body defends itself against
specific infections or other disease.
You are also required to prepare an article outlining the effect of the increase in some
diseases linked to how the body defends itself against disease.
Task 1
Describe the structure and the main characteristics of the following major groups of
organisms of medical importance as follows:
(i) Bacteria (circular DNA, cell membrane, cell wall, capsule, flagella, pili, cocci,
bacilli, Gram stain)
(ii) Viruses (obligate, intracellular, parasites, DNA or RNA nucleic acid, capsid,
capsomere, envelope, spikes)
(iii) Fungi (spores, hyphae, mycelia)
This provides evidence for P1
Task 2
Use the protocol provided to carry out smears of (1) Gram – positive and (2) Gram – negative
samples. Describe the results of these smears.
This provides evidence for P2
Task 3
Research different sources of information and use them to describe and explain sources of
infection, routes of transmission and entry of micro-organisms into the human body. You must
ensure that the following key terms are used in your explanations:
Human reservoirs; animal reservoirs; non-living reservoirs; contact transmission; vehicle
transmission; vector transmission; entry via oral cavity; entry via droplet and entry via body
fluids.
This provides evidence for M1
Task 4
3 | Page
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