Clinical Biochemistry PP Flashcards
Increased level of unconjugated bilirubin in
newborns can be seen in:
a. Physiological jaundice in newborns.
b. Crigler-Najjar’s syndrome.
c. Inborn atresia of biliary ducts.
d. Hemolytical disease of newborns
e. Degradation of postpartum hematomas
ABDE
Reaven’s syndrome is:
a. A synonym for metabolic syndrome.
b. Impairment of liver function due to salycylate intake.
c. Impaired glycosis, hyperuricemia, dyslipidemias.
d. In obese patients.
ACD
Following hereditary diseases are commonly associated with liver damage:
a. Gilbert’s disease
b. Wilson’s disease
c. Deficiency of alpha-1 antitrypsin
d. Hemochromatosis
BCD
Secondary hyperaldosteronism can be usually observed in:
a. Cardiac/heart insufficiency
b. Chronic liver disease
c. Dehydration
d. Nephrotic syndrome
e. Renal artery stenosis
ABCDE
Increased level of cardiac troponin can be connected with:
a. Severe anemia
b. Contusion of myocardium in patients with polytrauma
c. Severe sepsis
d. Tachyarrhythmisas in thyreotoxicosis
ABCD
Which of the following are increased in children?
Children in comparison with adults have higher serum values of:
a. Iron
b. Cholesterol
c. ACP
d. ALP (alkaline phosphatase)
e. Inorganic phosphate
CDE
Impairment of renal tubules leads to:
a. Microalbumin
b. β2- microglobulins
c. Albumin in urine
d. Macroproteins in urine
A(?)B
Alcohol intoxication leads to:
a. Increase of serum osmolality
b. Metabolic acidosis
c. Hyperuricemia
d. Hypoglycemia
ABCD
Excretion of 3000 mmol of waste metabolites, 5500ml/day of urine production, urine osmolality of 350 mmol/kg:
a. Oliguria
b. Polyuria
c. We should know GFR to evaluate this case.
d. All metabolites are excreted.
Same questions different options:
a-‐ Value of glomerular filtration is necessary for evaluation
b-‐ Not all catabolites are excreted.
The state can be osseced as oliguria
c-‐ All catabolites are excreted
d-‐ The patient has polidypsia
First Question: B
Second Question: B
Highest amount of myoglobin in AMI occurs at:
a. 12h
b. 36h
c. 72h
d. 3-6h
A
Laboratory finding of hyperkalemia and hyperchloremic metabolic acidosis can be seen in:
a. Renal failure
b. Hyperaldosteronism
c. Hypoaldosternism or pseudohypoaldosteronism.
d. Treatment with ACE inhibitors.
ACD
Main intracellular antioxidants:
a. Glutathione
b. Uric acid
c. Ascorbic acid
d. Homocystein
A
Markers of osteoclastic activity:
a. Serum level of osteoclasts
b. Bone isoenzyme of ACP
c. Bone isoenzyme of ALP
d. Deoxypiridoline in urine
e. Hydroxyproline
BDE
Evaluation of risk for atherosclerosis:
a. 1-2 weeks after AMI.
b. 6 weeks after AMI.
c. At any time.
d. After correction of troponin levels.
?
Which meaning is true in iron deficiency?
a. Serum transferin is increased.
b. Serum transferin is decreased.
c. Serum ferritin is increased.
d. Serum ferritin is decreased.
AD
Following tests continuously rise during pregnancy:
a. Plasma estriol.
b. Estriol elimination in urine.
c. Chorionic gonadotropin in serum.
d. Creatine kinase activity in serum.
AB
- Electrophoretic pattern of chronic liver disease is:
a. Decreased albumin, increased alpha 1 and beta 2 globulins.
b. Beta-gamma bridging.
c. Decreased albumin, alpha 1, alpha 2 and beta 1 globulins, increased gamma-globulins.
d. Increased alpha 1 and alpha 2 globulins.
BC
Aldosterone production is enhanced:
a. Isotonic dehydration
b. Hypertonic dehydration
c. Hypotension
d. ACTH
ACD
Glomerular hematuria is confirmed by:
a. Urobilinogen in urine
b. Proteinuria
c. Finding of erythrocyte casts in urine
d. Leukocyturia
C
The following enzymes are absent in humans:
a. Uricase
b. Xanthine oxidase
c. Urease
d. Glucose oxidase
ACD
Treatment with ethanol is applied in the following intoxications:
a. Methanol
b. Ethylene glycol
c. Antituberculotic drugs
d. Paracetamol
AB
In acute renal failure:
a. Serum urea increase is more pronounced than that of creatinine.
b. Serum creatinine rises more rapidly than urea.
c. GFR falls due to hypoperfusion of renal cortex.
d. Intense tubular resorption of water with urea is present.
A(?) BC
Absorption of Vitamin B12 depends on:
a. Absorption of lipids.
b. Pancreatic functions.
c. Presence of intrinsic factor in stomach.
d. Presence of homocystein.
C
Jaundice in viral hepatitis B is:
a. Observed before increase of ALT activity.
b. Present in 10% of population.
c. Observed before finding of urobilinogen in urine.
d. Caused by mixed hyperbilirubinemia.
BD
Bacterial inflammation is characterized by:
a. Increased procalcitonine concentration.
b. Plasma CRP > 100 mg/l.
c. Leukocytosis
d. Increased neopterine concentration.
BC
Increased gamma-glutamyltransferase is observed in:
a. Alcoholism
b. Liver steatosis
c. Biliary tract obstruction
d. Secondary liver cancer
ABCD
Pregnant women in the 3rd trimester we can
physiologically observe in blood:
a. Increased total cholesterol
b. Decreased albumin
c. Increased creatinine
d. Increased erythrocyte sedimentation rate
e. Decreased total leucocytes count
f. Increased ALP
g. Increased a1-antitrypsin
h. Increased uric acid
ABDFGH
The cause of hypokalemia can be administration of:
a. Aldosterone antagonists
b. ACE-inhibitors
c. Glucocorticoids
d. Furosemide
CD
- Marker of increased bone resorption is:
a. Increased bone isoenzyme of alkaline phosphatase.
b. Increased loss of hydroxyproline in urine.
c. All above mentioned tests.
d. Increased level of osteocalcin in serum.
BD
- Pseudohypoparathyroidism is characterized by:
a. Increased losses of inorganic phosphate into urine.
b. Hypokalemia
c. Increased level of parathyroid hormone.
d. Hypocalcemia
CD
- During treatment of acid-base balance disorders the following parameter should be normalized:
a. Both pH and BE
b. pH
c. BE
d. BE in the case of metabolic disorder and pCO2 in respiratory disorders.
B
- Lactic acidosis / metabolic acidosis:
a. Is accompanied with insufficient oxygenation of blood and tissue hypoxia.
b. Is corrected always by hydrogenocarbonate administration.
c. Can accompany diseases of liver, kidney, inborn errors of metabolism, leukemia, etc.
d. Can be caused by impaired lactate degradation.
ACD
- Acute pancreatitis is accompanied with:
a. Hypocalcemia
b. Hypercalcemia
c. Normal activity of amylase
d. Hyperamylasemia
AD
- Increased blood HCO3
- concentration:
a. Long lasting vomitus.
b. Chronic metabolic acidosis.
c. Chronic respiratory acidosis.
d. Acute metabolic alkalosis.
ACD
- Following change(s) in serum can stimulate parathyroid hormone secretion:
a. Decrease of inorganic phosphate concentration.
b. Increase of ionized calcium concentration.
c. Decrease of ionized calcium concentration.
d. Increase of inorganic phosphate concentration.
CD
- Treatment of diabetic ketoacidosis (by insulin) is usually accompanied by:
a. Decrease of ionized fractions of Ca and Mg.
b. Increase of ionized fractions of Ca and Mg.
c. Increase of serum concentration of K, P and Mg.
d. Decrease of serum concentration of K, P and Mg.
AD
- Increased excretional fraction of water can be found:
a. In chronic renal failure.
b. In kidney tubular damage.
c. In acute renal failure.
d. In shock kidney.
AB
- The following tests decrease in pregnancy:
a. Serum albumin
b. Serum urea
c. Glomerular filtration rate
d. Uricemia
AB
- When we compare 2 (and more) results of one method (ex: CRP - other in the same patient, to
decide whether the result significantly … doesn’t change we should take into account:
a. Method precision and interindividual variability.
b. Method precision and intraindividual variability.
c. Method trueness and interindividual variability.
d. Method trueness and intraindividual variability.
B
- Anemia of chronic diseases (ACD) is characterized by (measured in plasma):
a. Increased hepcidin.
b. Increased soluble transferrin receptors.
c. Decreased iron.
d. Decreased transferrin.
e. Decreased ferritin
ACD
- Chronic alcohol abuse is accompanied with:
a. Increased activity of glutamil transferase.
b. Increased concentration of carbohydrate deficient transferring.
c. Increased volume of erythrocytes. (only if it’s referring to size- macrocytic anemia)
ABC
- Protein S-100B:
a. Its increased concentration in serum has (negative) prognostic value in brain trauma.
b. Its decreased concentration in serum has (negative)
prognostic value in brain trauma.
c. Is increasingly produced when astrocytes are damaged.
d. Is increasingly produced when cortex neurons are damaged.
AC
- Plasma urea concentration = 35 mmol/l:
a. Slightly elevated.
b. Highly Elevated.
c. Cannot be survided.
d. Indication for hemodialysis.
BD
- Name the typical disturbance of acid-base balance in
terminal stadium of acute respiratory distress syndrome:
a. Respiratory acidosis
b. Metabolic Acidosis
c. Metabolic alkalosis
d. Hypo with not respond to oxygen treatment.
AB
- Albumin does not transfer:
a. Free fatty acids
b. Calcium
c. Thyroxin
d. Iron
D
- Paradoxical aciduria means:
a. Acid urine in metabolic alkalosis with hypokalemia.
- Buffer base value in serum (Na + K – Cl) is increase in:
a. Metabolic alkalosis
- Primary hyperparathyroidism is characterized by:
a. Hypophosphatemia
b. Hypercalcemia
c. Hypercalciuria
d. Hyperphosphaturia
ABCD
- Methemoglobin:
a. Is produced by hemoglobin oxidation (ex: Fe (II) is converted to Fe (III)).
b. Originates during intoxication by nitrites, aniline dyes or sulfonamides.
c. May be increased in newborns due to immature reducing system
ABC
- During diarrhea:
a. Hypertonic dehydration can occur
- Depression of respiratory centre can occur in pCO2
values :
a. > 8 kPa
b. > 6 kPa
c. < 6 kPa
d. < 8 kPa
D
- Global respiratory insufficiency is defined as:
a. Hypoxemia and hypercapnea.
b. Hypoxemia and hypocapnea.
c. Hypoxemia only.
d. Hypoxemia and respiratory acidosis.?
A D(?)
- When hypokalemia is the most severe:
a. K+ = 2.5mmol/l, blood pH = 7.4
b. K+ = 2.5mmol/l, blood pH = 7.6
c. K+ = 3.5mmol/l, blood pH = 7.6
d. K+ = 2.5mmol/l, blood pH = 7.2
e. K+ = 2,5 mmol/l, blood pH = 7.0 → best possibility if available
DE
- Primary hyperaldosteronism is characterized by:
a. Hypertension
b. Low rennin concentration.
c. High rennin concentration.
d. Hypertension, which responds to ACE-inhibitors.
AB
- Physiological range of pCO2 in arterial blood is:
a. 4.7 – 6.0 kPa
- Kidney tubular damage can be caused by:
a. Organic solvents.
b. Quicksilver and cadmium.
c. X-ray contrast substances.
d. Non-opiate analgesics (non-steroids and inflammatory drugs).
BCD
- For detection of vital fetus danger in last trimester the following determination is indicated:
a. Fetal fibronectin in cervicovaginal secretion.
b. Serum estriol or its losses in urine.
c. hCG in serum or its losses in urine.
d. Alpha 1-fetoprotein in serum.
AB
- Gilbert’s syndrome (juvenile intermittent …) is:
a. Can be diagnosed by long-lasting fasting test.
b. Characterized by increased concentration of unconjugated bilirubin.
c. Benign syndrome.
d. Does not have uroblinogen in urine.?
ABCD
- Metabolic disturbances of acid-base balance are compensated or corrected by:
a. Lung function only.
b. Activity of lung and kidney (in the case of intact renal function, kidney must … primary cause of ABB disturbances.
c. GIT function only.
d. Renal function only.
B
- Decreased activity of cholinesterase can be found in:
a. Organophosphate poisoning
b. Chronic hepatopathy
c. Nephrotic syndrome
d. Protein malnutrition
ABD
- Plasma creatinine value 400 μmol/l:
a. Can be also caused by another disease than renal insufficiency (can have other causes but not diseases, like exercise, diet or drugs).
b. Is dangerous for the patient.
c. Is caused exclusively by renal insufficiency only if …
d. Is always caused by renal insufficiency.
AB
- Laboratory markers of chronic liver disease are:
a. Polyclonal hyperimmunoglobulinemia (can be used but are of low specificity).
b. Increased tranferrin concentration in serum.
c. Hypoalbuminemia
d. Decreased tranferrin concentration in serum.
ACD
- Positive feedback is found between:
a. Glycemia and glucagon secretion.
b. Concentration of tyrosine in plasma and TSH secretion.
c. Glycemia and insulin secretion.
d. Inorganic phosphate in plasma and parathyroid
hormone secretion
CD
- Highest glucose level is in:
a. Plasma of capillary blood.
b. Plasma of venous blood.
c. Full capillary blood.
d. Full venous blood.
A
- For determination of creatinine clearance is true:
a. 24h urine is collected for creatinine determination.
b. 24h urine volume, patient’s body mass and height must be stated.
c. 3 days before the test and in the day of the test the patient restricts meat and avoids physical effort.
d. Blood is collected for creatinine determination.
ABCD
- Urine pH increases:
a. In diabetics.
b. After diet with meat.
c. After vegetarian diet.
d. In urinary tract infection.
CD
- What acid-base balance disorder would you diagnose with the help of the following graph (pH 7.1, pCO2
2.1 kPa, BE ECT = 23.9 mmol/l)?
a. Acute RAL
b. Acute MAC
c. Fully compensated RAL
d. Fully compensated MAC
D
- Tubular proteinuria is typical for:
a. Intoxication with cadmium.
b. Diabetic nephropathy.
c. Intoxication with arsenic.
d. Intoxication with Amanita phalloides.
A
- Imagine a method in that increased values are pathological. Diagnostic sensitivity of the method is
decreased when:
a. We increase cut-off value.
b. We decrease cut-off value.
c. There are more falsely negative results.
d. There are more falsely positive results.
AC
- Iron is a component of:
a. Catalase
b. Cytochromes
c. Peroxidase
d. Alkaline phosphatase
ABC
- Acidemia is accompanied by:
a. Release of potassium from cells.
b. Shift of dissociative curve of Hb to the right and improvement of O2 release in the tissues.
c. Activation of respiratory center.
d. Increase of ionized fractions of Ca 2+ and Mg2+.
ABCD
- Alkalemia leads to:
a. Decreased stimulation of respiratory center.
b. Decreased of ionized calcium and magnesium in serum.
c. Worsening of oxygen release from oxyhemoglobulin.
d. Decrease of kalemia.
ABCD
- Patient has high titers of antibodies against surface antigen of hepatitis B and high titers of antibodies against envelope antigen of hepatitis B virus. Which
statement is true?
a. It is an indicator of past hepatitis B.
b. The patient underwent seroconversion (and probably
is contagious).
c. The patient underwent seroconversion (and probably is not contagious).
d. The patient has undergone a successful against hepatitis B.
AC
- In patients with Wilson’s disease (hepatolenticular
dystrophy) we can find:
a. Decreased ceruplasmin concentration in blood.
b. Increased concentration of free copper in serum.
c. Decreased loss of copper in urine.
d. Increased concentration of copper in serum.
e. Increased loss of copper in urine
ABE
- If blood was not transported to the laboratory changes can occur:
a. Glycemia decreases.
b. Serum potassium and phosphate increases.
c. Serum potassium increases and phosphate decreases.
d. Serum potassium and phosphate decreases.
AB
- C-peptide is a marker of:
a. Long-term diabetes compensation.
b. Endogenous production of insulin.
c. Possible onset of late complications of diabetes.
d. Acute inflammation.
B
- Cystatin C is:
a. Low-molecular weight protein.
b. Increased in serum as a result of a decrease glomerular.
c. Increased in urine in the case of tubular cells damage.
d. Produced with a constant rate.
ABCD
- The following findings in urine sediment are considered pathological:
a. Hyaline casts
b. Cystine crystals
c. Flat polygonal epithelial cells
d. Round epithelial cells
BD
- Erythrocyte energy:
a. Aerobic
b. Anaerobic glycolysis
c. ….
d. Aerobic glycolysis
BD
- Continuous metabolic alkalosis is caused by:
a. Depletion of extracellular fluid.
b. Chronic depletion.
c. Potassium depletion.
d. Increased aldosterone production.
ABCD
- Uremia is a term for:
a. Increased level of uric acid in serum.
b. Increased level of urea in serum.
c. Finding of blood in urine.
d. Renal failure accompanied by clinical symptoms.
BD
- Concentration of serum myoglobin is dependent on:
a. Physical activity before blood sampling.
b. Sex
c. Muscle mass.
d. None of the answers is correct.
ABC
- To calculate corrected chloride, we have to know serum concentration of:
a. Albumin
b. Bicarbonates
c. Chlorides
d. Sodium
CD
- Sodium concentration in strongly chylous serum by
use of ion selective electrode comparison with flame
photometry is:
a. Lower
b. Higher
c. Less accurate
d. More accurate
BD
- You have just admitted a patient with acute myocardial infarction. In the process of determining the cause of this atherosclerosis complication, you would like to know concentrations of total cholesterol, HDL + LDL cholesterols and triglycerides. When can you take
the blood for determination of these risk factors?
a. At any time.
b. First 2 weeks (best 4 weeks) after myocardium infarction.
c. After normalization of plasma cardiac troponin level.
d. During 24 hours or after 3 months after myocardium infarction.
D
- Gestational diabetes mellitus:
a. Can be related to deficiency of chromium.
b. Is related to hormonal changes during gestation.
c. Develops in the second half of pregnancy.
d. Develops in the first half of pregnancy.
ABC
- Methanol intoxication is characterized by:
a. Brown skin color.
b. Increased osmolar gap.
c. Metabolic acidosis from increased anions.
d. Optic nerve damage.
BCD
- AST/ALT ratio > 1 can be found in:
a. Active liver cirrhosis.
b. After heavy physical work.
c. Metastatic disease of liver.
d. Myocardial infarction.
ABCD
- What acid-base balance disorder would you
diagnose with the help of the following English graph (pH 7.39, pCO2 4.0 kPa, BE ECT – 4.8
mmol/l)?
a. Acute RAL
b. Fully compensated RAL
c. Fully compensated MAC
d. Acute MAC
B
- Characteristic finding in hyperparathyroidism: a. Hypocalcemia and hyperphosphaturia.
b. Hypercalcemia and hypophosphaturia.
c. Hypercalcemia and hyperphosphaturia.
d. Hypocalcemia and hypophosphaturia.
C
- … of indications of hemolysis treatment is serum potassium level higher … :
a. 8.5 mmol/l
b. 5.5 mmol/l
c. 6.5 mmol/l
d. 7.5 mmol/l
C
- Which of the following possibilities can cause MAC?
a. Hypoalbuminemia
b. Intoxication with methanol or ethylene glycol.
c. Renal failure.
d. Decompensated liver cirrhosis.
BCD
- Three days before glucose tolerance test, the patient
should eat:
a. Diet has no influence on the result.
b. Diet enriched with fat.
c. High-saccharide diet.
d. Low-saccharide diet.
C
- In comparison with adults, one-year old infant has higher upper reference limit of:
a. Urea
b. Alkaline phosphatase
c. α2-globulins
d. Bilirubin
BC
- The main treatment goal in a patient with dyslipidemia is:
a. Increase HDL cholesterol over 1 mmol/l.
b. Decrease hypersensitive CRP under 1 mg/l.
c. Decrease LDL cholesterol under 4 mmol/l.
d. Decrease risk of cardiovascular disease.
D
- Increased concentration of α1-fetoprotein (AFP) in serum can help us in diagnosis of:
a. Multiple myeloma
b. Primary liver cancer
c. Malignant teratoma
d. Metastatic liver cancer
BC
- Ketone bodies in urine can be found as a result of:
a. Lactic acidosis of type B
b. Hypoxia
c. Long-lasting vomitus
d. Starvation
CD
- Creatine kinase:
a. Is increased after epileptic paroxysm.
b. Is increased in myocardial damage.
c. Rises after physical activity.
d. Activity in serum is higher in women than in men.
ABC
- Parametric way for determination reference ranges of laboratory method:
a. Use median and standard deviation for the calculation.
b. Use mean and standard deviation for the
calculation.
c. Need normal distribution.
d. Can be used in all methods.
BC
- Hyperkalemia can be caused by:
a. Antagonists of aldosterone.
b. Furosemide
c. High doses of glucocorticoids.
d. ACE (angiotensin converting enzyme) inhibitors.
e. Renal failure
ADE
- During decrease of glomerular filtration rate, increases serum level of:
a. Cystatin C
b. Creatinin
c. Myoblobin
d. β2 – microglobulin
ABCD
- Electrophoretic type of acute inflammation can be found in patients with:
a. Malignant neoplasia
b. Bronchopneumonia
c. Sepsis
d. Acute myocardial infarction
ABCD
- For glucose to be properly utilized we need:
a. Insulin
b. Inulin
c. Chromium
d. Glucagon
AC
- Tubular proteinuria is typical for:
a. Intoxication with cadmium.
- For adequate absorption and metabolism of Iron is important:
a. Ceruloplasmin
b. Prealbumin c. Transferrin
d. Vitamin C
ACD
- Men compared to women have typical higher activity of:
a. Creatine kinase
b. Gamma glutamyl transferase
AB
- Erythropoietin:
a. Is hemopoietic growth factor.
b. Is produced in kidneys.
c. Is glycoprotein that stimulates erythrocyte maturation.
ABC
- Check values of laboratory results that can be considered as the cause of MAL:
a. Hypoalbuminemia
b. Normochloridemia during hypernatremia (decreased corrected chlorides).
c. Hyperchloridemia during significant hypernatremia (decreased corrected chlorides).
d. Hyperphosphatemia
ABC
- Reference values of pH in arterial blood in an adult person are:
a. 7.36 – 7.44
- Neuromuscular irritability is increased by:
a. None of above mentioned ions.
b. H+
c. Mg2+
d. Ca2+
A
- In kidney failure usually increases serum concentration of:
a. Kallium
b. Magnesium
c. Anorganic phosphate
ABC
- Examination of stool for occult bleeding:
a. Can be performed chemically (pseudoperoxidase reaction of hemoglobin) after 3 days diet.
b. Can be performed immunochemically (Ab against human globin), diet is not necessary.
c. Is a screening method for colorectal carcinoma.
ABC
- All disturbances of ABB:
a. We try to correct to target pH.
b. We try to treat according to primary disease.
ABC
- For determination of urine losses of urea (or for calculation of nitrogen balance) … to deliver:
a. 24h urine preserved by HCl.
b. 24h urine preserved by thymol in isopropanol.
c. 24 urine preserved by cooling.
d. 24h urine without any preservation.
A(?)BC(?)
- Increased concentration of myoglobin in serum 4 hours after chest pain onset diagnosis of acute myocardial infarction.
a. Does not rule out.
b. excludes in persons with renal failure
c. confirms
d. confirms in persons with normal kidney function
only
A
- Determination of microalbuminuria is indicated:
a. In the case of negative proteinuria by strip test in diabetics and hypertonics.
b. Independently on the result of protein determination in urine by a strip test.
c. Only in resting (night) urine.
d. In the case of positive proteinuria by strip test in diabetics and hypertonics.
A (C?)
- Which meaning is correct is acute pancreatitis?
a. Serum trypsin is increased.
b. Serum calcium is decreased due to its binding to fatty
c. C-reactive protein is significantly increased.
ABC
- Check possible causes of MAL:
a. Citrate dialysis
b. Secondary hyperaldosteronism
c. Hypoalbuminemia
d. Primary hyperaldosteronism
ABCD
- Physiological saline solution (0,9% NaCl) has:
a. pH 7.0.
b. Na+ = 155 mmol/l.
c. Cl- = 155 mmol/L
ABC
- Renal tubular cells damage is caused by:
a. Mercury
b. Cadmium
c. Thalium
d. Lead
AB
- Urine stone formation from ammonia-magnesium
phosphate is supported by:
a. Alkaline urine
b. Urinary tract infection
AB
- Marker of long-‐term compensation of diabetes is:
a. Glycated hemoglobin
b. Insulin concentration after a load with 75g of glucose
c. C-peptide
d. Fasting concentration of insulin.
A
- Pernicious anemia:
a. Is caused by deficiency of vit. B12.
b. Is macrocytic.
c. Is often found in patients after gastrectomy.
ABC
- Plasmatic glucose concentration in a fasting random sample of a patient without any complains was 8 mmol/l. Which statement is true?
a. Patient has diabetes mellitus.
b. We invite patient to control blood collection in another day.
c. We will perform o GTT.
d. We collect blood to determine glycemia in the same day.
B
- When blood for acid-base balance and blood gases determination was preserved in laboratory on
thawing ice, the following changes can occur:
a. pH decreases
b. pO2 decreases
AB
- Liver damage (liver necrosis) is characterized by:
a. Lower activity of cholinesterase.
b. Extreme increase of aminotransferases (10-100
times).
c. Higher activity of AST in comparison with ALT.
d. increased activity of cholinesterase
ABC
- Calculate urinary protein loss per 24 hours when you have following results:
Total protein in serum 66 g/l
Total urinary protein 7.4 g/l
Urinary volume per 24h 1427 ml
Patient weight 83 Kg
Urinary protein loss write in grams per day with precision to 1 decimal point. Don’t write the unit itself (g/day) to the result.
a. 10.5 // 10.56
- Hyperglycemia is caused by:
a. Adrenalin
b. Glucagon
c. Cortisol
ABC
- The percentage of results from healthy population within reference ranges is:
a. 95%
b. 99%
c. The number is not defined, but it is usually more than a half.
d. 90%
A
- Peripheral and central type of hypothyreosis can be distinguished by:
a. TSH level
- Multiple myeloma can be accompanied by:
a. Renal amyloidosis
b. High erythrocyte sedimentation rate
c. Osteolytic centers
ABC
- Risk of atherosclerosis increases in:
a. Patients with chronic renal failure
b. Diabetics
c. Hyperinsulinism
ABC
- Oxygen release from blood to tissues is facilitated by:
a. Increase concentration of 2,3-diphosphoglycerate in
erythrocytes
b. Acidemia
c. Alkalemia d. Hyperkapnia
ABD
- Parathormone action is to:
a. Decrease resorption of phosphates I renal tubules.
b. Release calcium from bones.
AB
- Hemolysis increases serum activity of:
a. AST
b. Lactate dehydrogenase
c. Amylase
d. Creatine kinase
AB
- In renal failure:
a. Is usually hyperkalemia.
b. Can be found hyperkalemia in some cases.
c. Is always anuria
d. Is usually hypercalcemia
AB
- Falsely positive results cause:
a. Higher clinical specificity.
b. Lower clinical sensitivity.
c. Lower clinical specificity.
d. Higher clinical sensitivity.
C
- Negative feedback exists between:
a. Glycemia and glucagon secretion.
b. Cortisol concentration in plasma and ACTH secretion.
c. Ionized calcium in plasma and parathormone secretion.
ABC
- Determination of serum hCG (chorionic gonadotropin) concentration is used for:
a. Diagnosis of ectopic pregnancy.
b. Diagnosis of early spontaneous miscarriage.
c. Early diagnosis of pregnancy.
ABC
- Hyperaldosteronism is typically accompanied with:
a. Hypokalemia
- In case of suspicion on macroamylasemia we should send to laboratory:
a. Coagulable blood and first morning urine for determination of amylase.
b. Coagulable blood for serum amylase determination
only
c. Coagulable blood for pancreatic isoenzyme of amylase determination only
d. 24 hour urine for determination of urine amylase only
A
- In patients with renal tubular acidosis type I (distal) is the following finding:
a. Alkaline urine
b. Hypokalemia
c. Tendency to formation of urine stones from calcium phosphate.
ABC
- Bacterial meningitis can be distinguished by:
a. Low glucose, increase protein, CRP and lactate, pleocytosis with prevailing polynuclear cells.
b. Protein-cytological association.
AB
- What statement is true?
a. Secretion of aldosterone is regulated by kidney through rennin and angiotensin.
b. Aldosterone is created by suprarenal cortex.
c. Aldosterone increases losses of potassium in urine.
ABC
- In extrarenal cause of renal failure:
a. Urine osmolality greater than serum osmolality.
b. Sodium concentration in urine is less than 20
mmol/l.
AB
- Which finding is suspect of metabolic alkalosis?
a. Na+ = 140 mmol/l, K+ = 3.0 mmol/l, Cl- ? 82
- Which laboratory findings can be considered as a cause of MAC?
a. Hyperlactatemia
b. Mitochondria during signficant hyponatremia.?
c. Presence of ketonbodies. (ketoacidosis- ex: starving)
AC
- Patients with decompansated liver cirrhosis usually
have:
a. Secondary hyperaldosteronism
b. Metabolic alkalosis
c. Metabolic acidosis
d. Respiratory alkalosis
ABCD
- A tentative calculation of serum osmolality is:
a. Na + 2x urea + glucose
b. 2x Na + urea + glucose
c. Na + urea + glucose
d. Na + urea + 2x glucose
B
- When hypernatremia occurs, sodium stores in organism can be:
a. decreased
b. increased
c. normal
d. evaluated according to natremia and hydratation.
ABCD
- When intravascular hemolysis occurs:
a. Serum activity of lactate dehydrogenase is increased.
b. Serum concentration of haptoglobin decreases.
c. Haptoglobin creates complexes with hemoglobin.
ABC
- Maximal clinical sensitivity is achieved when method has:
a. Also maximal analytical specificty.
b. Also maximal analytical sensitivity.
c. No false negative results.
d. No false positive results.
C
- Fractional excretion of water increases in:
a. Interstitial nephritis
b. High water intake
c. Chronic glomerulopathies
ABC
- Exudate in comparison with transudate has higher:
a. Protein
b. Cholesterol
c. Lactate
d. Glucose
ABC
- Adenohypophysis does not produce:
a. Thyreotropin (TSH)
b. Thyreoliberin (TRH)
c. Melanotropin (MSH)
d. Melatonin
BCD
- Increased unmeasured anions can be caused by:
a. Hyperlactatemia
b. Increased organic acids during some intoxications.
c. Increased ketone bodies in the blood.
ABC
- At the end of pregnancy we observe the increase of:
a. Triglycerides
b. Uric acid
c. Cholesterol
d. Urea
ABC