Practical Exam: Blood

PRACTICAL EXAM 1. Hemoglobin concentration is increased in: a. Chronic hypoxia. b. Anaemia c. Adult female d. Children (0-3 months) 2. The erythrocyte sedimentation rate (ESR) a. is increased in conditions associated with inflammation or tissue destruction. b. is reduced in polycythemia. c. is useful in following up the progress of some chronic diseases. d. all the above are true. 3. The hemoglobin concentration and RBC count is required to calculate: a. MCV b. MCH c. MCHC d. ESR 4. A stop watch, filter paper, sprit swab and sterile lancet are required to determine; a. Hemoglobin b. PCV c. Bleeding time d. Clotting time 5. A patient with elevated clotting time along with normal bleeding time count; a. Thrombocytopenia purpura b. Hemorrhagic apurpura c. Hemophilia A d. Hypothermia 6. The postural hypotension is caused due to: a. Pooling of blood in lower limbs b. Insufficient blood flow to the brain c. Failure of compensatory mechanisms d. All of the above 7. The underestimation of systolic blood pressure due to auscultatory gap may be avoided by first estimating: a. Systolic BP by palpatory method b. Diastolic BP by auscaltatory method c. Pulse pressure d. Mean arterial BP 8. In ECG if R-R interval is 15mm. Heart rate is: a. 80 beat per minute b. 90 beat per minute c. 100 beat per minute d. 120 beat per minute 9. During ECG recording the paper speed is: a. 15mm/second b. 20mm/second c. 25mm/second d. 30mm/second 10. For a person, FVC-2L and FEV₁=1.6 L, his FEV1% is about: a. 40% b. 50% c. 60% d. 80% 11. The true statement about Leucopenia a. The production of WBCs stimulated by chemical messenger b. An abnormally low WBC count commonly induced by drugs c. A group of cancerous conditions involving WBCS. d. A type of leukemia involving abnormal myeloblasts 12. This is a bleeding disorder where the number of circulating platelet deficient, causing spontaneous bleeding from small blood vessels over the body. a. Erythropenia b. Leukopenia c. Leukemia d. Thrombocytopenia 13. This is a drug that inhibits thromboxane A2 formation. Studies that, over several years, men taking low doses of this show reduction in incidences of heart attack. a. Thromboxane b. Protein c. Aspirin d. Heparin 14. What's the wrong statement about Bleeding from a small blood vessel of skin a. Is normally diminished by local vascular spasm. b. Ceases within about five minutes in normal people. c. Is prolonged in severe factor VIII (antihaemophilic globin) d. Is greater from warm skin than from cold skin. 15. Human plasma albumin, all statement are true except: a. Contributes more to plasma colloid osmotic pressure b. Filters freely at the renal glomerulus c. Is negatively charged at the normal PH of blood d. Carries carbon dioxide in blood. 16.Platelets assist in stopping bleeding by: a. Liberating high concentration of calcium b. Inhibiting fibrinolysis c. Cause vasodilatation d. Adhering together and form a platelets plug 17. Normal blood clotting requires a. Inactivation of heparin. b. Inactivation of plasmin (fibrinolysin). c. Calcium ions. d. An adequate intake of vitamin C. 18.A patient comes in with anaemia, and a history of taking antibiotic also mentioned that he has purpura and recurrent infection. Which of the following he most likely suffers from? a. Anaplastic anemia b. Iron deficiency anemia c. Pernicious anemia d. Thalassemia 19. The normal haemostatic response to vascular damage three major factors. Which ONE of these is not included group? a. The blood vessel wall b. Stasis of the blood flow c. Circulating platelets d. Blood coagulation factors 20.A person with eosinophilia, or greater than normal numbers eosinophils, is most likely suffering from a. Allergies or internal parasites b. Anemia c. An autoimmune disease d. Diabetes 21. Which of these is the function of plasmin: a. Stimulate vasoconstriction of damaged blood vessels. b. Inhibit platelets aggregation in healthy blood vessels c. Dissolve blood clot. d. Activate thrombin 22.A rise in blood cholesterol may lead to a deposition of cholesterol in the walls of blood vessels. This causes the arteries to lose the elasticity and get stiffened. This is called a. Hypertension b. Hypotension c. Arteriosclerosis d. Systolic pressure 23.In term of ABO system, the transfused cells are likely to be agglutinated by the antibodies present in the recipient' s plasma: a. Group B blood is transfused to group B person b. Group O blood is transfused to group AB person. c. Group B blood is transfused to group O person. d. Group B blood is transfused to group AB person 24. A bag of donated blood does not clot because a. There is not enough oxygen. b. It cannot dry out c. It is kept refrigerated d. There is no free calcium 25. Which cell type is defective in patients with AIDS? a. T-cells b. B cells c. Neutrophils d. Monocytes 26. The false statement about Hemolytic disease of newborn a. Occurs in Rh+ve mother b. Prevented by administration of anti-D antibody c. Treated by exchange transfusion d. Risk of it increase with each pregnancy, 27.Under normal conditions, lung sterility is maintained a. Cough and gag reflexes b. Mucociliary escalator, phagocytic cells, and bronchus-associated lymphoid tissue c. Surfactant production by Type I cells. d. Filtering of air in the nasal passages. 28. when all muscles of respiration are relaxed and alveolar lung volume is equal to: a. Residual volume b. Vital capacity c. Functional residual capacity. d. Tidal volume 29. The cell placed in which one of the following solutions, swells up and bursts, due to osmosis: a. Isotonic solution b. Hypotonic solution c. Hypertonic solution d. All of the above 30. Which one of the following substances is NOT transported across the cell membrane by simple diffusion? a. Oxygen b. Carbon dioxide c. Glucose d. Ammonia 31. Normal bleeding time, by duck's method is b. 30 secs a. 2 sec c. 60 secs d. None of the above 32.MCV means it is the: a. Hemoglobin concentration in a single RBC b. Volume of a single RBC c. Average amount of hemoglobin present in a single RBC d. Amount of iron present in a single RBC 33. Palpatory method of recording blood pressure detects: a. Systolic blood pressure only b. Diastolic blood pressure only c. Neither systolic nor diastolic blood pressure d. Both systolic and diastolic blood pressure 34. Normal tidal volume is about: a. 400 ml b. 500 ml c. 600 ml d. 700 ml 35.Sahli bemoglobinometer is used to determine: a. Hemoglobin content b. Leukocyte sedimentation rate c. Erythrocyte sedimentation rate d. Clotting time Kay Answer 1-A 24-D 2-D 25-A 3-B 26-A 4-C 27-B 5-C 28-C 6-D 29-B 7-A 30-C 31-D 8-C 32-B 9-C 33-A 10-D 34-B 11-B 35-A 12-D 13-C 14-C 15-B 16-D 17-C 18-A 19-B 20-A 21-C 22-C 23-C