Cytogenetic examination of a patient with reproductive dysfunction revealed normal karyotype
Х Y in some cells, but most cells have karyotype of Klinefelter's syndrome - 47 ХХ Y. Such cell heterogenity is called:
A Mosaicism
B Inversion
C Transposition
D Duplication
E Monomorphism
97
As a result of prophylactic medical examination a 7 year old boy was diagnosed with
Lesch-Nyhan syndrome (only boys fall ill with it). The boy's parents are healthy but his
Grandfather by his mother's side suffers from the same disease. What type of disease
Inheritance is it?
A Recessive, sex-linked
B Dominant, sex-linked
C Autosomal recessive
D Autosomal dominant
E Semidominance
98
A doctor revealed tissues injury on patient's scalp with localized suppurations and diagnosed his
Disease as myiasis. This infestation is caused by larvae of the following insect:
A Wohlfahrt fly
B Kissing bug
C Stable fly (Stomoxys calcitrans)
D Malarial mosquito
E Mosquito
99
Examination of an 18-year-old girl revealed the following features: hypoplasia of the ovaries,
broad shoulders, narrow pelvis, shortening of the lower extremities, "sphinx neck". Mental
Development is normal. The girl was diagnosed with Turner's syndrome. What kind of
Chromosome abnormality is it?
A Monosomy X
B Trisomy X
C Trisomy 13
D Trisomy 18
E Nullisomy X
100
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 hypertrichosis is:
A 0,5
B 0,25
C 0,125
D 0,625
E 1
101
Healthy parents with unremarkable family history have the child with multiple developmental
Defects. Cytogenetic analysis revealed the trisomy 13 in the somatic cells (Patau syndrome).
What phenomenon has caused the defects?
A Abnormal gametogenesis
B Somatic mutation
C Recessive mutation
D Dominant mutation
E Chromosomal mutation
102
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
Characteristics, alar folds on the neck. Cytological study didn't reveal any Barr bodies in the
Somatic cells. What diagnosis was made?
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A Turner's syndrome
B Klinefelter syndrome
C Morris syndrome
D Trisomy X syndrome
E -
103
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:
A Pediculus humanus humanus
B Phtirus pubis
C Pulex irritans
D Cimex lectularius
E Blattella germanica
104
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 the
Cardiovascular system, arachnodactylia. What genetic phenomenon has caused the
Development of this disease?
A Pleiotropy
B Complementarity
C Codominance
D Multiple allelism
E Incomplete dominance
105
A mother had taken synthetic hormones during pregnancy. Her daughter was born with hirsutism
Formally resembling of adrenal syndrome. Such manifestation of variability is called:
A Phenocopy
B Mutation
C Recombination
D Heterosis
E Replication
106
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 a
Common cold. What laboratory tests are necessary to confirm or to refute the diagnosis of
Malaria?
A Microscopy of blood smears
B Study of lymph node punctate
C Urinalysis
D Study of cerebrospinal fluid
E Microscopy of bone marrow punctate
3.0 Гістологія
1
A patient visited a dentist with complaints of redness and edema of his mouth mucous
Membrane in a month after dental prosthesis. The patient was diagnosed with allergic stomatitis.
What type of allergic reaction by Gell and Cumbs underlies this disease?
A Delayed type hypersensitivity
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B Cytotoxic
C Immunocomplex
D Anaphylactic
E Stimulating
2
An electronic microphotograph shows a macrophagic cell with erythrocytes at different stages
Of differentiation located along its processes. This is the cell of the following organ:
A Red bone marrow
B Thymus
C Spleen
D Tonsil
E Lymph node
3
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