MedMigrant

KROK (Medicine) questions: Biology — page 2

183 questions in Biology. Open a question to see the answer options and a hint.

  1. Hypertrichosis is the Y-linked character. The father has hypertrichosis, and the mother is healthy. In this family, the probability of having a child with… KROK 1 2013 – Question 23
  2. A 35-year-old male patient has been referred by an andrologist for the genetic counselling for the deviations of physical and mental development. Objectively: the… KROK 1 2013 – Question 43
  3. Healthy parents with unremarkable family history have the child with multiple developmental defects. Cytogenetic analysis revealed the trisomy 13 in the somatic cells… KROK 1 2013 – Question 82
  4. A 25-year-old patient consulted a doctor about dysmenorrhea and infertility. Examination revealed that the patient was 145 cm high and had underdeveloped secondary sex… KROK 1 2013 – Question 84
  5. Amniocentesis revealed two sex chromatin bodies (Barr bodies) in each cell of the sample. What disease is this character typical for? KROK 1 2013 – Question 94
  6. Mother of a boy who had recently returned from a summer camp found some small whitish insects up to 3 mm long on the child’s clothing. Specify the parasite: KROK 1 2013 – Question 106
  7. An 18-year-old male has been diagnosed with Marfan syndrome. Examination revealed a developmental disorder of connective tissue and eye lens structure, abnormalities of… KROK 1 2013 – Question 108
  8. A mother had taken synthetic hormones during pregnancy. Her daughter was born with hirsutism formally resembling of adrenal syndrome. Such manifestation of variability… KROK 1 2013 – Question 146
  9. A patient who has recently come from an endemic area presents with elevated body temperature, headache, chills, malaise, that is with the symptoms which are typical for… KROK 1 2013 – Question 154
  10. A miner consulted a physician about the appearance of body rash followed by a loss of appetite, bloating, duodenal pain, frequent bowel movements, dizziness. Ovoscopic… KROK 1 2013 – Question 159
  11. Examination of the duodenal contents revealed some pear-shaped protozoa with two nuclei and four pairs of flagella. The organisms had also two axostyles between the… KROK 1 2013 – Question 169
  12. A patient consulted a physician about chest pain, cough, fever. Roentgenography of lungs revealed eosinophilic infiltrates which were found to contain the larvae. What… KROK 1 2013 – Question 179
  13. Analysis of the family history of children with Van der Woude syndrome revealed that in their families one of the parents had the typical for this syndrome defects… KROK 1 2013 – Question 197
  14. A boy referred to a genetics clinic was found to have 1 drumstick in blood neutrophils. The boy is likely to have the following syndrome: KROK 1 2014 – Question 16
  15. A 26-year-old female consulted a doctor about having stool with white flat moving organisms resembling noodles. Laboratory analysis revealed proglottids with the… KROK 1 2014 – Question 22
  16. Amniocentesis revealed two sex chromatin bodies (Barr bodies) in each cell of the sample. What disease is this character typical for? KROK 1 2014 – Question 72
  17. A patient intending to undergo a gender reassignment surgery has been admitted to a specialised clinic. In the course of examination both male and female gonads have… KROK 1 2014 – Question 88
  18. An 18-year-old male has been diagnosed with Marfan syndrome. Examination revealed a developmental disorder of connective tissue and eye lens structure, abnormalities of… KROK 1 2014 – Question 89
  19. In one of Polessye regions there was an outbreak of helminthiasis manifested by cramps and facial edemata. The developed preventive measures in particular included ban… KROK 1 2014 – Question 104
  20. A female patient sought medical genetic consultation. Physical examination revealed pterygium colli deformity (webbed neck), broad chest, underdeveloped breasts. Study… KROK 1 2014 – Question 105
  21. A female suffered rubella during pregnancy. The child was born with developmental abnormalities, namely cleft lip and palate. The child’s genotype is normal. These… KROK 1 2014 – Question 120
  22. As an example of specific human parasites one can name Plasmodium falciparum, human pinworm and some others. The source of parasite invasion is always a human. Such… KROK 1 2014 – Question 132
  23. The organisms to be identified have a nucleus surrounded by a nuclear membrane. Genetic material is concentrated predominantly in the chromosomes which consist of DNA… KROK 1 2014 – Question 144
  24. Nucleolar organizers of the 13-15, 21, 22 human chromosomes contain about 200 cluster genes that synthesize RNA. These regions of chromosomes bear the information on… KROK 1 2014 – Question 146
  25. A 2-year-old boy is diagnosed with Down syndrome. What chromosomal changes may be the cause of this disease? KROK 1 2014 – Question 149
  26. A patient who has recently arrived from an endemic area presents with elevated body temperature, headache, chills, malaise, that is with the symptoms which are typical… KROK 1 2014 – Question 150
  27. An underage patient has signs of achondroplasia (dwarfism). It is known that this is a monogenic disease and the gene that is responsible for the development of such… KROK 1 2014 – Question 164
  28. Examination of the duodenal contents revealed some pear-shaped protozoa with two nuclei and four pairs of flagella. The organisms had also two axostyles between the… KROK 1 2014 – Question 168
  29. A child with a normal karyotype is diagnosed with cleft lip and hard palate, defects of the cardiovascular system, microcephaly. The child’s mother suffered rubella… KROK 1 2014 – Question 181
  30. A group of Ukrainian tourists returning from Samarqand was bringing with them gerbils. During examination in customs office ulcers were detected on the skin of the… KROK 1 2015 – Question 22
  31. Sex chromatin was detected during examination of a man’s buccal epithelium. It is characteristic of the following chromosome disease: KROK 1 2015 – Question 26
  32. A patient with probable liver abscess was delivered to a surgical department. The patient for a long time had been on an assignment in an African country and had… KROK 1 2015 – Question 37
  33. It is known that the gene responsible for development of blood groups according to AB0 system has three allele variants. Existence of the IV blood group can be… KROK 1 2015 – Question 48
  34. A patient working at a pig farm complains of paroxysmal abdominal pain, liquid feces with mucus and blood, headache, weakness, fever. Examination of large intestine… KROK 1 2015 – Question 75
  35. Sex chromosomes of a woman didn’t separate and move to the opposite poles of a cell during gametogenesis (meiosis). The ovum was impregnated with a normal spermatozoon… KROK 1 2015 – Question 103
  36. As an example of specific human parasites one can name Plasmodium falciparum, human pinworm and some others. The source of parasite invasion in these cases is always a… KROK 1 2015 – Question 122
  37. The organisms to be identified have a nucleus surrounded by a nuclear membrane. Genetic material is concentrated predominantly in the chromosomes that consist of DNA… KROK 1 2015 – Question 125
  38. A 2-year-old boy is diagnosed with Down syndrome. What chromosomal changes may be the cause of this disease? KROK 1 2015 – Question 126
  39. A patient consulted a physician about chest pain, cough, fever. Roentgenography of lungs revealed eosinophilic infiltrates which were found to contain the larvae. What… KROK 1 2015 – Question 136
  40. An 18-year-old woman has body disproportion, wing-like folds on the skin of her neck, underdeveloped ovaries, nuclei of her buccal epithelium cells have no Barr bodies… KROK 1 2015 – Question 183
  41. A person with the fourth blood group (genotype IAIB) has in erythrocytes both antigen A controlled by allele IA and antigen B controlled by allele IB. This phenomenon… KROK 1 2015 – Question 186
  42. Parents of a sick 5-year-old girl visited a genetic consultation. Karyotype investigation revealed 46 chromosomes. One chromosome of the 15th pair was abnormally long… KROK 1 2016 – Question 26
  43. A 26-year-old woman consulted a doctor about having stool with white flat moving organisms resembling noodles. Laboratory analysis revealed proglottids with the… KROK 1 2016 – Question 35
  44. Sex chromatin was detected during examination of a man’s buccal epithelium. It is characteristic of the following chromosome disease: KROK 1 2016 – Question 37
  45. Representatives of a certain human population can be characterized by elongated body, height variability, decreased volume of muscle mass, increased length of limbs… KROK 1 2016 – Question 44
  46. A woman gave birth to a stillborn baby with numerous malformations. What protozoan disease could cause intrauterine death? KROK 1 2016 – Question 59
  47. According to phenotypic diagnosis a female patient has been provisionally diagnosed with X-chromosome polysomia. This diagnosis can be confirmed by cytogenetic method… KROK 1 2016 – Question 76
  48. A family of healthy students, who have arrived from Africa, gave birth to a child with signs of anemia. The child has died shortly after. Examination has revealed that… KROK 1 2016 – Question 93
  49. A patient working at a pig farm complains of paroxysmal abdominal pain, liquid feces with mucus and blood, headache, weakness, fever. Examination of large intestine… KROK 1 2016 – Question 97
  50. Cells of a person working in the Chornobyl Exclusion Zone have undergone a mutation in DNA molecule. However, with time the damaged interval of DNA molecule has been… KROK 1 2016 – Question 117

← All sections