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Choose your answers from a-d by clicking the radio button next to each choice and then press 'Submit' to get your score.

Which of the following is correct regarding the full blood count/blood film?

a) Haemoglobin is measured using the haemoglobin cyanide method.

b) A mean cell volume (MCV) within the reference range implies that the red cells are of normal size.

c) Reticulocytes have to be counted manually on a blood film.

d) Schistocytes are red cells containing parasitic organisms.

Which of the following is correct regarding red cell concentrates?

a) Red cell transfusion is indicated for any patient with a haemoglobin concentration less than 10 g/dl.

b) Antibody screening is performed using a direct antiglobulin test.

c) ABO incompatibility errors are usually due to a laboratory error.

d) Non-haemolytic febrile transfusion reactions are now seen less commonly in the UK.

Which of the following is correct regarding clinical biochemistry tests?

a) Sodium, potassium, and calcium are measured using ion-selective electrodes.

b) Urea is measured using the Jaffe reaction.

c) Alanine transaminase and aspartate transaminase concentrations are calculated by measuring the disappearance of NAD as it is reduced to NADH.

d) The partial pressure of oxygen is calculated using the Henderson-Hasselbalch equation.

Which of the following is correct regarding microbiology tests?

a) Electron microscopy is a highly sensitive method for detecting viruses.

b) Chlamydia organisms can usually be cultured on agar-based nutrient media.

c) ELISA methods can be used to identify antibodies in a patient's serum.

d) Agglutination techniques are quantitative tests for antigens.

Which of the following is correct regarding histopathology specimens?

a) The main reason for placing tissue specimens into formalin is to kill any microorganisms present.

b) The routine stain used in histopathology is haematoxylin and eosin.

c) Most sarcomas can be identified immunohistochemically by their positive reactivity with cytokeratin antibodies.

d) Tissue preservation on frozen tissue is superior to formalin-fixed, paraffin-embedded tissue.

Which of the following is correct regarding post-mortem examinations?

a) The principal aim of the hospital post-mortem is to provide an accurate cause of death.

b) Consent from the next of kin is not required for a Coroner's post-mortem.

c) The organs are usually examined and dissected in situ in the body.

d) The Human Tissue Act 2006 forbids the retention of any tissue from a post-mortem examination.

Oxford University Press, Online Resource Centre, Chapter 23.