W1-2-60-1-6
JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
UNIVERSITY EXAMINATIONS 2014/2015
FIRST YEAR SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN MEDICAL MICROBIOLOGY
MMB 2174 :L MEDICAL INSTRUMENTATION
DATE: DECEMBER 2014 TIME: 2 HOURS
INSTRUCTIONS:
QUESTION ONE
(a) (i) Briefly describe a polymerace chain reaction machine (PCR) and the steps involved in its use [5 marks]
(ii) State three characteristics of Boro-silicate glass used to manufacture laboratory glass wave [3 marks]
(iii) Describe the types and uses of medical laboratory funnels. [2 marks]
(b) (i) Mention the two types of balances used in a medical laboratory [2 marks]
(ii) Describe how we use and take care of balances [6 marks]
(iii) Describe the principle of fluorescence microscopy [4 marks]
(c) (i) Briefly describe the basic components of a centrifuge [3 marks]
(ii) Describe what is a haemoglobinometer and its use in a medical laboratory. [3 marks]
(iii) List two types of dispensers [2 marks]
QUESTION TWO
Discuss decontamination of laboratory using chemical disinfectants [20 marks]
QUESTION THREE
Discuss autoclaves [20 marks]
QUESTION FOUR
Discuss 2 laboratory instruments used for purifying water. [20 marks]