krok 9

The mother’s karyotype has 45 chromosomes. It was determined that translocation of chromosome 21 to chromosome 14 had occurred. What disorder is likely to be observed in the child of this woman if the father’s karyotype is normal

• Patau syndrome

• Morris syndrome (androgen insensitivity)

• Edwards syndrome

• Down syndrome

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 restored ist initial structure with a specific enzyme. In this case the following occurred:

• Repair

• Reverse transcription

• Replication

• Transcription

A man is a carrier of HIV that is an RNA virus. The cells of this patient synthesize viral DNA. This process is based on:

• Reverse transcription

• Translation

• Repair

• Replication

The parents with normal hearing have two daughters and a son, who are congenitally deaf. Their other 5 children are healthy. What is the pattern of deafness inheritance in this case

• Y-linked

• X-linked dominant

• Autosomal dominant

• Autosomal recessive

Ingestion of plants and mushrooms that grow along highways is dangerous due to risk of lead poisoning. What is the main source of environmental pollution with this chemical element

• Chemical fertilizers

• Acid rains

• Herbicides

• Exhaust fumes

Long-term taking of medicines can affect cells of the liver. Particularly, it can cause marked hypertrophy of agranular endoplasmic reticulum due to the following function of this organelle:

• Protein synthesis

• Nucleic acid synthesis

• Detoxication of harmful substances

• Intracellular digestion

Dwellers of a village located in the taiga make a living by harvesting berries. Lately the occurrence of alveococcosis in the village population has increased. What is the source of invasion in this case

• Foxes

• Birds

• Fish

• Rodents

A patient with severe poisoning was brought into the intensive care unit. In the course of complex treatment the subclavian vein needs to be catheterized for medicine administration. This vein is located in the following topographic structure:

• Spatium retrosternocleidomastoideus

• Spatium antesсalenum

• Spatium interaрoneuroticum suprasternale

• Spatium interscalenum

A 52-year-old woman came to the neurologist with complaints of loss of skin sensitivity on the right half of her face in the area of the lower eyelid, nasal arch, and upper lip. What branch of what nerve is damaged in this patient

• Mandibular branch of the trigeminal nerve

• Ophthalmic branch of the trigeminal nerve

• Chorda tympani branching from the facial nerve

• Maxillary branch of the trigeminal nerve

A 30-year-old man with an incised wound on the plantar surface of the left foot was brought to the traumatology department. Lifting of the lateral side of the foot is limited. What muscle is likely to be functionally disturbed

• Soleus muscle

• Flexor hallucis longus muscle

• Anterior tibial muscle

• Peroneus longus muscle