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?

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

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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