QUESTIONS AND CORRECT ANSWERS
Lysosomes are involved with:
a. Energy release
b. Active transport
c. Mitosis
d. Phagocytosis - CORRECT ANSWER d. Phagocytosis
The specific gravity test for haemoglobin:
a. Uses copper nitrate
b. Is a screening test for blood donors
c. Uses the principle that RBC's sink quickly if anaemia is suspected. - CORRECT
ANSWER b. Is a screening test for blood donors
The plasma membrane is an animal cell is:
a. The cell membrane
b. semi permeable
c. selective
d. All of the above
e. None of the above - CORRECT ANSWER d. All of the above
The primary function of haemoglobin is to:
a. Provide protein chains for amnio acid synthesis
b. Transport gases
c. bind iron
d. eliminate waste products - CORRECT ANSWER b. Transport gases
The specimen requirements for a red cell folate is: a. 1-2 ml of whole blood drawn into an
,EDTA tube
b. 1-2 ml serum drawn into a red top tube
c. 3-5 ml of plasma drawn into an EDTA tube
d. 3-5 ml of serum drawn into an SST tube - CORRECT ANSWER a. 1-2 ml of whole
blood drawn into an
EDTA tube
6. The basilic veins in the arm can be described as: a. The central vein in the Antecubital
fossa
b. Large vein on the inner side of the Antecubital fossa when viewed anteriorly
c. Large vein on the inner side of the Antecubital fossa when viewed posteriorly
d. Large vein on the outer side of the Antecubital fossa when viewed anteriorly - CORRECT
ANSWER b. Large vein on the inner side of the Antecubital fossa when viewed
anteriorly
The buffy coat can be defined as:
a. A layer of cells that is demonstrated when whole anticoagulated blood is
centrifuged
b. The buffering layer on a white cell
c. A layer of cells that is demonstrated when whole coagulated blood is centrifuged
d. The layer of buffer that appears when a SST tube is centrifuged - CORRECT
ANSWER a. A layer of cells that is demonstrated when whole anticoagulated blood is
centrifuged
The ESR is:
a. The ratio of erythrocytes to leukocytes
b. The ratio of packed cells to plasma
c. The rate at which blood cells settle
d. The same as a PCV - CORRECT ANSWER c. The rate at which blood cells settle
,When a CBC is ordered:
a. Several citrate tubes should be drawn
b. Several SST tubes should be drawn
c. One heparin tube should be drawn
d. One EDTA tube should be drawn
e. One oxalate tube should be drawn - CORRECT ANSWER d. One EDTA tube should
be drawn
A reticulocyte is:
a. Part of the reticuloendothelial system
b. An immature erythrocyte
c. Found only in the bone marrow
d. A mature RBC
e. Demonstrated using a Wright's Giemsa
stain - CORRECT ANSWER b. An immature erythrocyte
The most common anticoagulant in haematology is:
a. Citrate
b. EDTA
c. Heparin
d. Potassium oxalate
e. Sodium fluoride - CORRECT ANSWER b. EDTA
Red cell indices include: \
a. MCV, MCH, PCV
b. MCHC, RDW, MCH
c. MPV, RBC, RDW
d. HTC, WBC, HB - CORRECT ANSWER b. MCHC, RDW, MCH
, When making a blood film the best type of specimen is:
a. Fresh capillary blood
b. Fresh arterial blood
c. Fresh venous blood
d. Fresh anticoagulated blood - CORRECT ANSWER a. Fresh capillary blood
When performing a reticulocyte:
a. the blood must be less than 2 hours old
b. the serum must not be haemolysed
c. the plasma should not be icteric
d. the buffy coat should be removed - CORRECT ANSWER a. the blood must be less
than 2 hours old
Sickle cell disease is identified using:
a. sodium metabisulphite
b. reduced oxygen tension
c. the sickle cell test
d. all of the above - CORRECT ANSWER d. all of the above
Malaria is transmitted by:
a. contaminated food
b. contaminated water
c. air borne particles
d. insect - CORRECT ANSWER d. insect
In sickle cell trait the abnormal haemoglobin is:
a. Hb A
b. Hb A2
c. Hb F