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Blood
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Questions in this quiz (122)
1blood clotting
- Arequires Ca2+
- Bis promoted by erythrocytes
- Cdefects usually shorten the bleeding time
- Dis initiated by tissue tromboplastin in the intrinsic coagulation pathway
- Eis decreased by platelets
2B- lymphocytes
- Asecrete circulating antibodies
- Bcarry antigen receptors on their surface
- Csecrete antigens
- Da+b
- Eb+c
3red blood cells
- Ameasure 15mm in diameter
- Bdo not contain mitochondria
- Chave a life span in circulation of 30 days
- Dare released from the bone marrow as mature cells
- Econtain nucleus
4the following is true about the ABO and Rh systems
- Aa person of group O is a universal recipient
- Ba person who is group AB has anti-A and anti-B antibodies
- Cthe presence of D antigen means that the subject is Rh (+)
- DRh antibodies occur naturally
- Ethe person of group A has anti-A antibodies
5which of the following helps in blood clotting
- Avit B1
- Bvit B2
- Cvit D
- Dvit K
- Evit B6
6the function of haemoglobin is
- Atransport of oxygen
- Bdestruction of bacteria
- Cprevention of anaemia
- Dutilisation of energy
- Etransport of CO
7which of the following substances is an anticoagulant
- ACa 2+
- Bheparin
- Cfibrinogen
- Dalbumin
- Egama-globulins
8what are the agglutinins
- Aantibodies
- Bantigens
- Cbeta-globulins
- Damino acids
- Elipids
9which of the following substances influences indirectly blood clotting
- Acalcium ions
- Bvit K
- Cvit B6
- Dmineralocorticoids
- Erenin
10for which of the following cells phagocytosis is not typical
- Aneutrophils
- Bplasmocytes
- Cmonocytes
- Deosinophils
- Emacrophages
11normal (physiological) hemolysis takes place
- Ainside the heart
- Binside the spleen and liver
- Cinside the kidneys
- Dinside the big blood vessels
- Einside the bone marrow
12which of the following are functions of the blood
- Atransport
- Bregulation
- Cprotection
- Dtemperature regulations
- Eall of the above
13the blood volume of an average size male is
- A3-4l
- B4-5l
- C5-6l
- D6-7l
- E7-9l
14the blood volume is
- A10-12 % body weight
- B10L
- C6-8% body weight
- D5L
- E3-5% body weight
15the effects on plasma volume of 500ml blood loss are neutralised within
- A1-2 hours
- B8-10 hours
- C24 hours
- Done week
- Eone month
16antithrombin III affects which coagulation factor
- AXIIa
- BXa
- CIIa
- DIXa
- Eall of the above
17vitamin K neutralizes
- Afactor 5
- Bheparin
- Cantithrombin 3
- Dplasminogen
- Enone of the above
18platelet activation will not occur without
- ACa2+
- Bvessel wall damage
- Cvon Willebrand factor
- Dfibrinogen
- Eserotonin
19hematocrit of 0.45 means that in the sample of blood analysed
- A0.45% Hb is in the plasma
- B0.45% of total blood volume is made up of plasma
- C0.45% of Hb is in the RBC
- D0.45% of the total blood volume is made up of RBCs and WBCs
- E0.45% of blood volume is made of Tr
20which of the following statements concerning the monocyte is incorrect
- Amore common in blood than eosinophils and basophils
- Bproduced in the adult by the bone marrow and lymph nodes
- Cunlike neutrophil does not accumulate outside circulation in area of inflammation
- Dnot classified as a granulocyte
- E2-8% of differential blood count
21hemoglobin contains
- Aone protoporphyrin ring and four ferrous ions
- Bfour protoporphyrin ring and one ferrous ions
- Cfour protoporphyrin rings and four ferrous ions
- Done protoprophyrin ring and one ferrous ion
- Enone of the above
22which blood component plays the biggest role in maintaining the osmotic pressure of blood
- Aalbumin
- Bcarbon dioxide
- Cwhite blood cells
- Dfibrinogen
- Eglobulins
23in a normal blood sample, which of the following cells will be the most abundant
- Aneutrophils
- Bbasophils
- Ceosinophils
- Dmonocytes
- Elymphocytes
24an antigen is
- Aa chemical messenger that is released by virus infected cells
- Ba lymphocyte responsible for cell-mediated immunity
- Csomething that coats the inside of lungs, causing infection
- Da protein or other molecule that is recognised as non-self
- Ea thick yellow-white fluid
25where is the site of maturation for a B cell
- Athymus
- Bbone marrow
- Cpancreas
- Dcortex
- Espleen
26nonspecific resistance is
- Athe bodys ability to ward off diseases
- Bthe bodys defenses against any kind of pathogen
- Cthe bodys defense against a particular pathogen
- Dthe lack of resistance
- Enon of the above
27which gland shrinks in size during adulthood, and has hormones that function in the maturation of T lymphocytes
- Alymph nodes
- Bthymus
- Cspleen
- Dpineal gland
- Etonsils
28the rate of erythrocyte sedimentation is increased when
- Athe plasma albumin fraction is increased
- Bfibrinogen in the blood is decreased
- Cthe plasma globulin fraction is decreased
- Dthe plasma globulin fraction is increased
- Elack of erythropoietin
29agglutinins are found in
- Athe erythrocyte membrane
- Bthe leukocytes
- Cthe plasma
- Dthe platelets
- Eall of the above
30gamma- globulins are related to
- Ahumoral immunity
- Bblood coagulation
- Ctransport of gases by the blood
- Derythropoiesis
- Ecellular immunity
31oxyhaemoglobin is a compound of
- Ahemoglobin and O2
- Bhemoglobin and CO2
- Chemoglobin and Fe2+
- Dhemoglobin and CO
- Ehemoglobin and N
32the amount of plasma proteins is
- A135-145mmol/l
- B140-160g/l
- C50-83 g/l
- D2.8-5.6 mmol/l
- E0.4-0.5 l/l
33the plasma of blood type AB contains
- Aanti-A agglutinins
- Banti-B agglutinins
- Canti-A and anti-B agglutinins
- Dno agglutinins
- Eagglutinogens A and B
34osmotic hemolysisis due to
- Awater hypotonic solution entering the erythrocytes
- Bdestruction of the erythrocyte membrane by chemicals
- Cfibrinolysis
- Dformation of carbaminohemoglobin
- Etransformation of fibrinogen into fibrin
35hypervolemia is
- Aincreased blood volume
- Bdecreased blood volume
- Cincreased blood cholesterol
- Dincreased plasma proteins
- Eincreased blood pressure
36leucopenia is
- Aincreased number of leukocytes
- Bincreased number of platelets
- Cdecreased number of leukocytes
- Dincreased number of erythrocytes
- Edecreased number of platelets
37when AB(0) blood is transfused to a recipient of blood type 0 (anti-A, anti-B)
- Athe limit of the blood transfused is up to 300ml
- Bthe transfused amount is unlimited
- Ctransfusion is forbidden
- Dtransfusion of plasma is the only possibility
- Epossible only once in a lifetime
38sodium citrate stops coagulation by
- Ablocking fibrinogen
- Breacting with Ca2+
- Cmassive fibrinolysis
- Ddestruction of platelets
- Eblocking vit K
39the normal RBC count in men is
- A140-160.10/l
- B4.5-6.0.10/l
- C4-11.10/l
- D200-400.10/l
- E0.4-0.5/l
40leukocytosis
- Aincreased number of leukocytes
- Bincreased number of platelet
- Cdecreased number of leukocytes
- Dincreased number of erythrocytes
- Eincreased percentage of neutrophils
41platelets take part in
- Athe immune defense
- Bthe transport of gases in blood
- Chemostasis
- Drennin-angiontensin-aldosterone system
- Eall of the above
42hemoglobin concentration in men is
- A4-5.2.10/l
- B135-145mmol/l
- C160 +/- g/l
- D2.8-5.6 mmol/l
- E140-160g%
43of major significance for maintaining the blood oncotic pressure is
- Athe number of erythrocytes
- Bthe plasma globulin fraction
- Cthe leukocyte count
- Dthe plasma albumin fraction
- Ethe plasma fibrinogen
44the red colour of blood is due to
- Athe plasma cholesterol
- Bthe plasma albumin fraction
- CCa2+ and K+ in plasma
- Dthe granules in the leukocytes
- Ethe hemoglobin in the erythrocytes
45the normal blood platelet count is
- A4-11.10/l
- B4.4-5.2.10/l
- C60-90.10/l
- D140-400.10/l
- E200-400.10/l
46fibrinolysis
- Aformation of the white plug
- Bformation of the red plug
- Cfibrin clot destruction
- Dviscose metamorphosis of the platelets
- Edestruction of adrenal medulla
47when blood transfused from 0 (anti-A and anti-B) donor to AB (0) recipient
- Athe amount is up to 500 ml
- Bamount is unlimited
- Ctransfusion is impossible
- Donly plasma may be transfused
- Eonly once in an lifetime
48the osmotic fragility is determined by the use of
- Ahypotonic solution of NaCl
- Bhypertonic solution of NaCl
- CHCl
- DNaOH
- Ecelloscope
49heparin is
- Aa factor transforming prothrombin into thrombin
- Bplatelet factor 8
- Cendogenic anticoagulant
- Dexogenic anticoagulant
- Epancreatic enzyme
50the plasma protein fraction of major significance for coagulation is
- Aalbumin
- Bglobulin
- Cfibrinogen
- Dgamma-globulin
- Eglobulin and albumin
51the ESR (westergren) reterence values are
- Amen up to 50 <15mm/h
- B140-160 g/l
- Cwomen above 50-5-10mm.h
- Dmen above 50-3-8mm.h
- E0.4-0.5/l
52of major significance for the erythrocyte sedminentation rate is
- Athe leukocyte count
- Bthe albumin/globulin ratio
- Ctotal blood cholesterol
- Dthe platelet count
- Ethe leukocytes ratio (%)
53the normal leukocyte count is
- A200-400.10.l
- B3.5-10.5.10.l
- C4.5-5.2.10.l
- D60-90.10.l
- E20-40% of all blood cells
54Fe2+ ions are necessary for
- Athe production of fibrinogen
- Berythropoiesis
- Cthe formation of leukocytes
- Dthe formation of platelets
- Ethe synthesis of thyrecalcitonin
55the percentage of Rh(+) people is
- A15%
- B85%
- C50%
- D30%
- E15% of pregnant women
56hematocrit reference range in women is
- A140-160g.l
- B2.4-2.6mmol.l
- C0.55-1.48mmol.l
- D0.36-0.47 l.l
- E4.5-10.l
57hematocrit measure the percentage of
- Awhite blood cells volume
- Bplasma volume
- Cplatelets volume
- Dred blood cells volume
- Eserum proteins volume
58to prevent blood loss after a tissue injury, blood vessels first
- Aform a platelet plug
- Bform a clot
- Cinitiate the coagulation cascade
- Dconstrict and form barriers
- Edilate
59a foreign substance, usually a protein, that stimulates the immune system to react by producing antibodies is called
- Aallergen
- Bantigen
- Chistamine
- Dmast cell
- Einterferon
60when neutrophils and macrophages squeeze out of capillaries to fight off infection it is called
- Aphagocytosis
- Bhemolysis
- Cinterleukins
- Ddiapedesis
- Efolliculitis
61each of the following is a components of plasma except
- Awater
- Bproteins
- Cformed elements
- Dnutrients
- Esalts
62extracellular fluid in adults differs from intracellular fluid in that its
- Avolume is greater
- Btonicity is lower
- CNa+ concentration is lower
- Dsodium:potassium molar ratio is higher
- EpH is lower
63total body water, expressed as a percentage of body weight
- Acan be measured with an indicator dilution technique using deuterium oxide
- Bis small on average in women than in men
- Crises following injection of posterior pituitary extracts
- Dis less than 80% in young adults
- Eall of the above
64breakdown of erythrocytes in the body
- Aoccurs when they are 6-8 weeks old
- Bis named erythropoiesis
- Cyields iron, most of which is excreted in the urine
- Dyields bilirubin which is carried by plasma protein to the liver
- Eis required for the synthesis of bile salts
65a person with group A blood
- Ahas anti-A antibody in the plasma
- Bmay have the genotype AB
- Cmay have a parent with group 0 blood
- Dmay have children with group A or group 0 blood only
- Ewhose partner is also A can only have children of group A
66the spleen destroys
- Amacrophages
- Bhealthy RBC
- Cneutrophils
- Ddamaged RBC
- Emonocytes
67plasma bilirubin
- Ais a steroid pigment
- Bis converted to biliverdin in the liver
- Cdoes not normally cross cerebral capillary walls
- Dis freely filtered in the renal glomerulus
- Ehas red colour
68monocytes
- Aoriginate from precursors in the lymph nodes
- Bcan increase in number when their parent cells are stimulated by factors released from activated lymphocytes
- Cunlike granulocytes do not migrate across capillary walls
- Dtake part in haemostasis
- Emanufacture immunoglobulin M
69erythrocytes
- Aare responsible for the major part of blood viscosity
- Bcontain the enzyme carbonic anhydrase
- Cmetabolize glucose to produce CO2 to H2O
- Dcarry O2 and CO2
- Eall of the above
70human plasma albumin
- Acontributes more to plasma colloid osmotic pressure than globulin
- Bcan not filter freely at the glomerulus
- Cis negatively charged at the normal pH of blood
- Dcarries sex hormones in blood
- Eall of the above
71 neutrophil granulocytes
- Aare the most common leukocyte in normal blood
- Bcontain proteolytic enzymes
- Ccontain actin and myosin microfilaments
- Dare present in high concentration in pus
- Eall of the above
72bleeding from a small cut in the skin
- Ais normally diminished by local vascular spasm
- Bceases within about 5 minutes in normal people
- Cis greater from warm skin than from cold skin
- Dis reduced if the affected limb is elevated
- Eall of the above
73circulating red blood cells
- Aare about 1% nucleated
- Btake part in immunity
- Care distributed evenly across the blood stream in large blood vessels
- Ddeform as they pass through the capillaries
- Etravel at a slower velocity in venules than in capillaries
74lymphocytes
- Aare motile
- Bcan transform into plasma cells
- Cincrease in number during infection
- Ddecrease in number during immunosuppressive drug therapy
- Eall of the above
75blood
- Amakes up about 3% of body weight
- Bforms a higher percentage of body weight in fat than in thin people
- Csqueezes out serum when it clots
- Dvolume can be calculated by multiplying plasma volume by the haematocrit (expressed as a percentage)
- Evolume rises after diuretic is taken
76the pH
- Aof arterial blood normally ranges from 7.2-7.6
- Bunits express [H+] in moles/litre
- Cof blood is directly proportional to the pCO2
- Dof blood is directly proportional to [HCO3]
- Eof arterial blood is lower than venous blood
77blood eosinophils
- Ahave agranular cytoplasm
- Bare about a quarter of all leukocytes
- Care relatively abundant in the mucosa of the respiratory, urinary and alimentary tracts
- Dare 50-70% of all leukocytes
- Eincrease in number in viral infections
78lymph
- Adoesnt contain plasma protiens
- Bvessels are involved in the absorption of amino acids from the intestine
- Cproduction decreases during muscular activity
- Ddoes not normally contain cells
- Eflow is aided by contraction of adjacent skeletal muscles
79blood platelets
- Aare formed in bone marrow
- Bare normally more numerous than white cells
- Cincrease in number after injury and surgery
- Dalter shape when in contact with collagen
- Eall of the above
80an appropriate dilution indicator for measuring
- Atotal body water is sucrose
- Bplasma volume is radioactive sodium
- Cextracellular fluid volume is inulin
- Dintracellular fluid volume directly is heavy water
- Etotal body water is radioactive iodine
81bleeding from a small cut in the skin
- Ais normally diminished by local vascular spasm
- Bceases within about five minutes in normal people
- Cis greater from warm skin than form cold skin
- Dis reduced if the affected limb is elevated
- Eall of the above
82circulating red blood cells
- Aare about 1% nucleated
- Btake part in immunity
- Care distributed evenly across the blood stream in large blood vessels
- Ddeform as they pass through the capillaries
- Etravel at slower velocity in venules than in capillaries
83lymphocytes
- Aare motile
- Bcan transform into plasma cells
- Cincrease in number during infection
- Ddecrease in number during immunosuppressive drug therapy
- Eall of the above
84blood
- Amakes up about 3% of body weight
- Bforms a higher percentage of body weigh in fat than in thin people
- Csqueezes out serum when it clots
- Dvolume can be calculated by multiplying plasma volume by the haematocrit (expressed as a percentage)
- Evolume rises after diuretic is taken
85the pH
- Aof arterial blood normally ranges from 7.2-7.6
- Bunits express [H+] in moles/ litre
- Cof blood is directly proportional to pCO2
- Dof blood is directly proportional to [HCO3-]
- Eof arterial blood is lower than venous blood
86blood eosinophils
- Ahave agranular cytoplasm
- Bare about a quarter of all leukocytes
- Care relatively abundant in the mucosa of the respiratory, urinary and alimentary tracts
- Dare 50-70% of all leukocytes
- Eincrease in number in viral infections
87lymph
- Adoesnt contain plasma proteins
- Bvessels are involved in the absorption of amino acids from the intestine
- Cproduction decreases during muscular activity
- Ddoes not normally contain cells
- Eflow is aided by concentration of adjacent skeletal muscles
88blood platelets
- Aare formed in the bone marrow
- Bare normally more numerous than white cells
- Cincrease in number after injury and surgery
- Dalter shape when in contact with collagen
- Eall of the above
89an appropriate dilution indicator for measuring
- Atotal body water is sucrose
- Bplasma volume is radioactive sodium
- Cextracellular fluid volume is insulin
- Dintracellular fluid volume directly is heavy water (deuterium oxide)
- Etotal body water is radioactive iodine
90excessive tissue fluid (oedema) in the legs may
- Abe associated with a raised extracellular fluid volume
- Bresults from hepatic disease
- Cresult from blockage of pelvic lymphatics
- Dincrease local interstitial fluid pressure
- Eall of the above
91haemolytic disease of the newborn
- Acan be perverted by injecting the mother with antiD agglutinins just after delivery
- Baffects mainly babies of Rh positive mothers
- Coccurs mainly in babies who lack D agglutinogen
- Dcauses jaundice which clears rapidly after birth
- Ecan be treated by transfusing the affected baby with Rh positive blood
92patients with moderate severe anaemia have a reduced
- Acardiac output
- Bincidence of vascular bruits
- C2:3 diphosphoglycerate blood level
- Darterial pO2
- Ecapacity to raise oxygen consumption in exercise
93iron deficiency
- Afrequently follows persistent loss of blood from the body
- Bis more common in men than in women
- Cmay cause anaemia by inhibiting the rate of multiplications of RBC stem cells
- Dmay cause large pale erythrocytes to appear in peripheral blood
- Eanaemia should normally be treated by injections of iron
94severe reactions are likely after transfusion of blood gorups
- AA to a group B person
- B0 to a group AB person
- C0 to a group A person
- DA to a group AB person
- E0 Rh negative to a group AB Rh positive person
95the haematocrit (packed cell volume)
- Amay be obtained by centrifugation of blood
- Bmay be calculated by multiplying the mean cell volume by the red cell count
- Crises in a patient who sustains widespread burns
- Drises following vomiting
- Eall of the above
96red cell formation is increased
- Ain blood donors one week after a blood donation
- Bin patients with a hemolytic anaemia
- Cby giving injections of erythropoietin to nephrectomized patients
- Din patients who have a raised blood reticulocyte count
- Eall of the above
97hematocrit reference range in men is
- A0.4-0.54l/l
- B2.4-2.6 mmol/l
- C0.55-1.48 mmol/l
- D140-160g/l
- E4.5-1012/l
98red blood cells would swell in which type of solution
- Ahypotonic
- Bisotonic
- Chypertonic
- Dhydrophilic
- Elipophilic
99the most abundant type of protein in plasma is
- Ainsulin
- Bglobulin
- Calbumin
- Dglycogen
- Efibrinogen
100the number of oxygen molecules carried by one Hb molecule
- A1
- B2
- C4
- D8
- E6
101majority of clotting factors are produced in
- Aliver
- Bkidney
- Cheart
- Dbrain
- Emuscle
102cellular immunity is due to
- AB lymphocytes
- BT lymphocytes
- Cneutrophils
- Deosinophils
- Eerythrocytes
103action of plasmin is
- Ato remove calcium
- Bantithrombin action
- Cto stimulate heparin
- Dto degenerate fibrin
- Eto produce plug
104which is the most rare blood group
- AA (Rh+)
- BAB (Rh+)
- CAB (Rh-)
- DB (Rh-)
- E0 (Rh+)
105the hemoglobin level in women is
- A4-5.2x1012/l
- B135-145mmol/l
- C140 +- 20g/l
- D2.8-5.6 mmol/l
- E140-160 g%
106the number of RBC in women is
- A140-160.109/l
- B0.4-0.5.l
- C4-11.109.l
- D200-400.109.l
- E3.9-5.3.1012.l
107the ESR (westergren) reference values are
- Awomen above 50-5-10 mm.h
- B140-160 g.l
- Cwomen up to 50: <20mm.h
- Dmen up to 50:3-8mm.h
- E0.4-0.5.l
108carbhemoglobin is a compound of
- Ahemoglobin with carbon dioxide
- Bhemoglobin with oxygen
- Chemoglobin with carbon monoxyde
- Dhemoglobin with nitrogen
- Ehemoglobin with Fe3
109in the WBC defferntial count the neutrophilic band cells are
- A0-6%
- B0-2%
- C42-70%
- D22-48%
- E1-14%
110in the WBC differential count the basophil granulocytes are
- A0-6%
- B0-2%
- C42-70%
- D22-48%
- E1-14%
111in the WBC defferential count the eosinophil granulocytes are
- A0-6%
- B0-2%
- C42-70%
- D22-48%
- E1-14%
112in the WBC defferential count the lymphocytes are
- A0-6%
- B0-2%
- C42-70%
- D22-48%
- E1-14%
113in the WBC differential count the monocytes are
- A0-6%
- B0-2%
- C42-70%
- D22-48%
- E1-14%
114bleeding time is
- A1-12ng.ml
- B2-5min
- C11-14s
- D2.0-4.5g.l
- E136-151mmol.l
115which hormones reduced erythropoiesis
- Aandrogens
- Bgrowth hormones
- Cglucocorticoids
- Destrogens
- Eerythropoietin
116erythropoiesis stimulating factors are
- Aerythropoietin
- BvitB12 and folic acid
- Ciron
- Dtestosterone
- Eall of the above
117the valency of iron in the hem group is
- A1+
- B2+
- C3+
- D4+
- E5+
118anemia is
- Areduced hemoglobin level
- Breduced RBC count
- Creduced RBC count and/or hemoglobin level
- Dhyperhemoglobinemia
119the plasma of blood type A contains
- Aaglutinins alpha and beta
- Baglutinins alpha
- Caglutinins beta
- Dno aglutinins
- Eaglutinogen A
120the plasma of blood type B contains
- Aaglutinins alpha and beta
- Baglutinins alpha
- Caglutinins beta
- Dno aglutinins
- Eaglutinogen B
121the plasma of blood type 0 contains
- Aaglutinins alpha and beta
- Baglutinins alpha
- Caglutnins beta
- Dno aglutinins
- Eaglutinogens A and B
122the lymphatic system is one of the main pathways for the absorption of
- Alipids
- Bcarbohydrates
- Cproteins
- Dwater
- Emicronutrients
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- human physiology Quiz on Blood, created by Y Y on 12/11/2019.
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- Y Y
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