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Clinical Labs Exam- 3rd Year- PMU

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Clinical Labs Exam- 3rd Year- PMU
Med Student
Quiz by Med Student , updated more than 1 year ago
Med Student
Created by Med Student almost 6 years ago
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Question 1

Question
The laboratory result is a function of many factors influencing the final value:
Answer
  • biological factors
  • pathological factors
  • factors in preanalytical stage
  • pathological, biological, preanalytical, analytical and post analytical factors

Question 2

Question
Which are the biological factors with permanent activity of the variation of the results:
Answer
  • sex, race
  • age
  • body construction
  • stress

Question 3

Question
Which of the following criteria are valid when to reject a spicimen as unacceptable for testing ?
Answer
  • Proper patient identification,storage and transport of samples to the laboratory
  • İmproper collection tube used, hemolyzed, lipemic,or icteric sample, blood clotted with anticoagulant, sample improperly transported
  • Carefully and strictly filled in examination form
  • Strict observation of procedures of venous puncture, urine colletion and collection of other biological samples

Question 4

Question
Mark the right answer for urine collection (diuresis)
Answer
  • collection after morning toilet
  • collection of the whole urine from the first to the last portion
  • the first portion is eliminated, the last is collected
  • urine collection till the vessel is full

Question 5

Question
Which of the following procedures is wrong?
Answer
  • conversation with the patient
  • selection of vein without hematoma and intravenous infusion
  • strangulation of the arm for a short time
  • tapping and massaging of the vein

Question 6

Question
Coagulation factors that obstruct the clot lyses are:
Answer
  • anti-fibrinolytic
  • profibrinolytics
  • procoagulants
  • anticoagulants

Question 7

Question
Which test can be used for control and treatment with direct anticoagulants (heparin)
Answer
  • APTT
  • Fibrinogen
  • Platelets(PLT)
  • PT

Question 8

Question
Creatine kinase (CK) is:
Answer
  • transferase
  • kinase
  • oxydoreductase
  • hydrolase

Question 9

Question
Investigation of alkaline phosphatase activity (ALP) is informative for:
Answer
  • transportation of amino groupies between alpha amino and alpha keto acid
  • catalyze transport of macroenergy phosphates
  • catalyse conversion piruvate-lactate
  • hydrolyze phosphate esters

Question 10

Question
When in healthy individuals there is a higher activity of MM-CK:
Answer
  • children
  • physical activity
  • postprandial
  • after alcohol consumption

Question 11

Question
Which of the following hormones take part in the group of insulin antagonists:
Answer
  • adrenaline
  • progesterone
  • aldosterone
  • parathormone

Question 12

Question
Diabetes mellitus is due to:
Answer
  • decreased amount in insulin antagonists
  • renal loos of glucose
  • low or missing level of insulin in blood
  • decreased gastro-intestinal resorbtion of glucose

Question 13

Question
In which type of diabetes the two hours postprandial test has higher diagnostic sensitivity than the measurement of the glucose at fasting:
Answer
  • type I
  • type II
  • diabetes in progress
  • decompensated diabetes

Question 14

Question
Fructosamine is used as a test for blood glucose concentration for past period of:
Answer
  • 20 day
  • 8-10 weeks
  • 1 week
  • 6 months

Question 15

Question
''Dysproteinmia'' is used to indicate:
Answer
  • hyperproteinemia
  • disturbed ration of protein fraction in electrophoresis
  • euproteinemia
  • hypoproteinemia

Question 16

Question
Which of the following laboratory parameters has better diagnostic reliability in evaluation of renal function?
Answer
  • urea
  • uric acid
  • creatinine
  • total protein

Question 17

Question
What is the transferrin:
Answer
  • reserve iron
  • main form for iron storage
  • individual protein for iron transport
  • functional ıron

Question 18

Question
What do you expect to be the level of ıron and FIBC(free ıron binding capacity) in malignant and infectious diseases:
Answer
  • low ıron,increased FIBC
  • decreased ıron, decreased FIBC
  • increased ıron, decreased FIBC
  • increased ıron, increased FIBC

Question 19

Question
In viral hepatitis what can you find in urine?
Answer
  • Bilirubin-positive, Urobilinogen-not increased
  • Bilirubin-negative, Urobilinogen-increased
  • Bilirubin-positive, urobilinogen-increased

Question 20

Question
The clinical reliability of laboratory results requires:
Answer
  • High clinical and analytical reliability
  • Variety of factors influencing the final value
  • Correct interpretation of laboratory parameters
  • Specific requirements for laboratory analysis

Question 21

Question
Blood with EDTA anticoagulant is used for the investigation of:
Answer
  • clinical-chemistry parameters
  • coagulation parameters
  • hematological parameters
  • heavy metals

Question 22

Question
Which of the following screening test shows the disturbance in extrinsic pathway of the first phase of coagulation:
Answer
  • PT
  • APTT
  • TT
  • Fibrinogen

Question 23

Question
İn what cases in healthy individuals the activity of alkaline phosphatase (ALP) is over 1000 U/I:
Answer
  • physical activity
  • postprandial
  • in stress
  • children

Question 24

Question
What kind of test is LDH and HBDH in the acute myocardial infarction?
Answer
  • early
  • earliest
  • late
  • retrograde

Question 25

Question
What is the effect of somatotropin hormone one the glucose blood level:
Answer
  • decrease the glucose blood level
  • increases the glucose blood level
  • have no effect on the glucose blood level
  • the effect depends on the age

Question 26

Question
In which organs there is glycogen synthesis
Answer
  • central nervous system
  • muscles
  • erythrocytes
  • pancreas

Question 27

Question
Which of the following values of the blood glucose are in the pathological range in the postprandial test:
Answer
  • <7.7 mmol/I
  • 7.78-9.99 mmol/I
  • >10.00 mmol/I
  • 2.78-5.55 mmol/I

Question 28

Question
In which of the following diseases fasting glucose amount is over upper reference value:
Answer
  • Malabsorbtion
  • Insulinoma
  • Diabetes mellitus
  • Addison's disease

Question 29

Question
In serum of the newborn there are :
Answer
  • IgA, IgM, IgG
  • IgM, IgG
  • IgA, IgM
  • IgA, IgG

Question 30

Question
Blood urea is final product of :
Answer
  • metabolism of purine bases
  • metabolism of amino acid
  • metabolism of carbohydrates
  • metabolism of lipids

Question 31

Question
The reliable laboratory result
Answer
  • Is a real evaluation of the actual value of the examined parameters in biological fluids and tissues and it presents useful information
  • Depend on the proper and timely collection
  • Is a function of a variety of factors
  • Is helpful for correct interpretation of laboratory parameters

Question 32

Question
Which of the following rules is not valid when a biological materials is taken
Answer
  • to be taken in the morning fasting,after 12 hours fasting diet and 24 hours pause without alcohol and physical and physical peace
  • to be taken in a seated position and the form to be filled carefully and strictly
  • to be observed the procedures for taking, keeping and transport of biological material
  • the method for this test to be selected correctly

Question 33

Question
Blood with sodium citrate is used for the the investigation of:
Answer
  • clinical-chemistry parameters
  • coagulation parameters
  • hematological parameters
  • heavy metals

Question 34

Question
For the qualitative investigation of urine is necessary:
Answer
  • first morning portion of urine, after toilet
  • diures for fixed time
  • to take the urine with catheter
  • to take the urine in fasting

Question 35

Question
Fibrinolysis is:
Answer
  • complicated, dynamic, self-regulating system
  • a process of coagulation
  • contraction of blood vessels with injury
  • a complex of processes which make possible lysis of the clot

Question 36

Question
What is the function of LDH enzyme:
Answer
  • transportation of amino groupies between alpha amino and alpha keto acid
  • catalyze transport of macroenergy phosphates
  • catalyse conversion pyruvate-lactate
  • hydrolyze phosphate esters

Question 37

Question
The CK activity must not investigated after:
Answer
  • Surgical intervention
  • Injection
  • Palpation of the glandulae prostate
  • X-ray

Question 38

Question
The lysis of the blood glucose is called:
Answer
  • ketonuria
  • glucosuria
  • gluconeogenesis
  • glycolysis

Question 39

Question
Which of the following methods is used for qualitative investigation of protein fractions:
Answer
  • immunoelectrophoresis
  • enzyme methods
  • electrophoresis
  • immunochemical methods

Question 40

Question
In hypertonic dehydration the values of Na and MCV must be as follows:
Answer
  • increased Na, decreased MCV
  • decreased Na, increased MCV
  • decreased Na, decreased MCV
  • increased Na, increased MCV

Question 41

Question
GGT is located in:
Answer
  • cell membrane
  • cytoplasm
  • mytochondrium
  • cytoplasm and mytochondrium

Question 42

Question
In which values of glucose-tolerance test is not disturbed:
Answer
  • at fasting, at 60 minutes, at 120 minutes are in the reference range
  • at fasting is in the reference range,at 60 minutes-in pathological range,at 120 minutes-boundary range
  • at 60 minutes and at 120 minutes >11.1 mmol/I
  • at 60 minutes <8.9 mmol/I,at 120 minutes <7.7 mmol/I

Question 43

Question
The glycated hemoglobin (HbA1c) is used as a test for blood glucose concentration for past period of
Answer
  • 20 days
  • 8-10 weeks
  • 1 week
  • 6 months

Question 44

Question
Which of the following clinical laboratory parameters is an early indicator of myocardial infarction
Answer
  • CK (creatine kinase)
  • MB-CK
  • Troponin
  • LDH, HBDH

Question 45

Question
Which laboratory parameters include the basic lipid profile?
Answer
  • Total Cholesterol, Triglycerides, HDL Cholesterol, LDL Cholesterol
  • Apolipoprotein A and Total Cholesterol
  • HDL Cholesterol, LDL Cholesterol
  • Total Protein and Albumin

Question 46

Question
What kind of biological materials do we use for clinical biochemistry analysis
Answer
  • EDTA plasma
  • Serum
  • Plasma with citrate
  • Plasma with Li heparin

Question 47

Question
Which is the biologically active form of Calcium in the blood circulation
Answer
  • Ionised Ca
  • Protein bound Ca
  • Ionised and protein bound Ca
  • Ceruloplasmin

Question 48

Question
What are the parameters included in the Complete blood count (CBC) test
Answer
  • RBC, WBC, PLT, Hb, Ht, MCV, MCH, MCHC and ESR
  • RBC, WBC, PLT, Hb, Ht, MCV, MCH, MCHC and Differential Count
  • RBC, WBC, PLT, Hb, Ht, MCV, MCH, MCHC
  • ESR and Differential Count

Question 49

Question
What measure is the Differential count checking
Answer
  • distribution of WBC in %absolute count in peripheral blood
  • the maturation forms of WBC in %absolute count in peripheral blood
  • the morphology of RBC in peripheral blood
  • the distribution of WBC, RBC, PLT in %absolute count in peripheral blood

Question 50

Question
Microforms of the erythrocyte lineage are typical characteristics of
Answer
  • Megaloblastic anemia
  • Acute leukemia
  • Iron deficiency anemia
  • Chronic leukemia

Question 51

Question
Hemostasis is
Answer
  • Complicated, dynamic, self-regulating system
  • A process of coagulation
  • Contraction of blood vessels with injury
  • A complex of processes which make possible lysis of the clot

Question 52

Question
Which ONE of the following does NOT contribute to clot formation
Answer
  • Calcium
  • Thrombin
  • Tissue factor
  • Heparin

Question 53

Question
Which factors are involved in the extrinsic pathway?
Answer
  • Factors XII, XI, IX, VIII
  • Factors III, VII
  • Factors V, X, I, II, XIII
  • None of the above are correct

Question 54

Question
Which of the following values of the blood glucose are in the normal range in the postprandial test:
Answer
  • <7.7 mmol/l
  • 7.78-9.99 mmol/l
  • >10.00 mmol/l
  • 2.78-5.55 mmol/l

Question 55

Question
In serum during infection process the immunoglobulins increase in sequence as follows
Answer
  • IgA, IgM, IgG
  • IgM, IgA, IgG
  • IgG, IgA, IgM
  • IgA, IgG, IgM

Question 56

Question
Which are the more accurate laboratory markes of kidney function
Answer
  • Uremia
  • GFR and creatinine clearance
  • Uric acid
  • Ammonia

Question 57

Question
The recommended ranges desirable for Total Cholesterol (TC) are
Answer
  • Low-density lipoprotein (LDL) cholesterol: 3.4 mmol/l or less
  • High density lipoproteins (HDL) cholesterol: 1.2 mmol/l or more
  • Total cholesterol (TC)- 5.2 mmol/l or less
  • TC/HDL ratio: 4.5 or less. This reflects the fact that for any given total cholesterol level, the more HDL, the better

Question 58

Question
Coagulation factors that initiate the clot formation are
Answer
  • antifibrinolytics
  • profibrinolytics
  • procoagulants
  • anticoagulants

Question 59

Question
Which ONE of the following about Hemophilia A is FALSE?
Answer
  • Haemophilia A is sex-linked
  • Haemophilia A is more common than Haemophilia B
  • Re-bleeding after 5 days from the injury is uncommon
  • Haemophilia A is caused by more than one genetic deficiency i.e. two individuals suffering from the disease may possess two different genetic mutations
  • The physician should always treat the patient even if bleeding is not physically detectable

Question 60

Question
Clots form to stop the "leakage" of blood from a damaged vessel. After the damaged vessel has healed, the clot is no longer needed and goes through a process of dissolution. Which of the following is involved in the dissolution of a clot?
Answer
  • Plasmin
  • Fibrinogen
  • Thrombin

Question 61

Question
Secondary hemostasis is also known as.
Answer
  • Enzyme release from endothelium
  • Coagulation of blood
  • Formation of platelet plug
  • Vascular spasm

Question 62

Question
Which Factors are involved in the intrinsic pathway?
Answer
  • Factors XII, XI, IX, VII
  • Factors lII, VII
  • Factors V, X, I, ll, XIII
  • None of the above is correct

Question 63

Question
The final phase of blood clotting is the interaction of with
Answer
  • VonWillebrand Factor, Factor VIII
  • Plasmin, Fibrin
  • Factor XIII, Fibrin
  • Thrombin, Fibrinogen

Question 64

Question
The fibrinolytic process is normally triggered by...
Answer
  • Fibrin
  • Plasmin
  • Endothelial cells
  • Thrombaxane

Question 65

Question
An excess of Plasminogen Activator Inhibitor l (PAI-l) would likely result in
Answer
  • Excessive bleeding
  • Excessive thrombus formation
  • Excessive vasodilation
  • All the above

Question 66

Question
To examine the extrinsic pathway, which labs would be most helpful?
Answer
  • PT, INR
  • Bleeding Time
  • aPTT
  • TT

Question 67

Question
Which of the following labs assesses the fibrinolytic system?
Answer
  • aPTT
  • TT
  • D-Dimers
  • PT, INR

Question 68

Question
To measure to conversion of fibrinogen to fibrin, what lab would you use?
Answer
  • PT, INR
  • TT
  • aPTT
  • D-Dimers

Question 69

Question
Differential Blood Count contains information about following white blood cell types:
Answer
  • Segmented Neutrophils, Monocytes, Lymphocytes, Eosinophils, Plasmocytes, Basophils
  • Segmented Neutrophils, Monocytes, Erys
  • Neutrophils, Monocytes, Lymphocytes, Eosinophils
  • Lymphocytes, Eosinophils, Plasmocytes, Basophils, Erys. etc.
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