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KROK 1 Dentistry 2020 Questions | KROKEXAM

Browse 2020 KROK 1 Dentistry exam questions with answers and explanations.

Exam questions

450 Questions
121

Brain investigation by means of nuclcar magnetic resonance revealed that the patient had a hematoma in the genu of the internal capsule. What pathway is damaged in this case?

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122

A patient suffers from chronic trigeminal neuritis. What digestive process will be the most disturbed in this case?

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123

Blood levels of a certain enzyme are the most informative parameter to be measured within the first hours after myocardial infarction. Name this enzyme:

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124

A patient was diagnosed with Klinefelter's syndrome. People with this discase have karyotype (47, XXY). How many sex chromosomes are in this complement?

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125

When examining cerebral circulation, the doctor places a sensor over the artery that passes through the transverse foramina of the cervical vertebrae. examined? What artery is being

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126

A patient with peptic ulcer disease of the stomach is prescribed a drug that - blocks histamine H2 receptors. Select this drug from the list:

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127

A 10-year-old child was diagnosed with helminthiasis. What changes in the leukogram can be expected in this case?

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128

Autopsy of the body of a girl, who died of asphyxia, revealed a gray-white film that coats the tracheal and bronchial mucosa. The film is losely attached to the underlying tissues and can be easily removed with tweezers. The lumen of the segmental bronchi is filled with loose gray-white masses. What type of tracheobronchitis, based on the exudate characteristics, is it?

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129

Parasympathetic innervation of the parotid gland is disturbed in the patient. In this case a pathology of the following ganglion is likely:

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130

Medical laboratory received a stool sample obtained from a patient provisionally diagnosed with cholera What microbiological technique should be used to confirm or refute this diagnosis?

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131

A woman diagnosed with syphilis needs a treatment plan. She is allergic to penicillin antibiotics. What antibiotic should she be prescribed in this case?

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132

A man was hospitalized with severe headache, nuchal rigidity, recurrent vomiting. painful cranial percussion, and increased photosensitivity. He was diagnosed with meningitis and prescribed a spinal Where should the needle be tap. inserted for the spinal tap?

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133

When examining a child, the doctor noticed an edema and hyperemia of lymphoid tissues in the region of the patient's tonsillar fossa. What tonsil is normally located there?

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134

A patient presents with osteoporosis. Hypercalcemia and hypophosphatemia are observed in the patient's blood. What is the cause of this condition?

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135

A patient with hard chancre on his genitals was provisionally diagnosed with Syphilis. What type of infection is likely. In this case?

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136

A woman with ischemic heart disease was receiving an antianginal drug that dilates coronary arteries and peripheral arterial and venous vessels, decreases myocardial oxygen demand, and improves myocardial circulation. Name this drug:

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137

Non-narcotic analgesics are used for pathogenetic of treatment neuralgias, including alveolar nerve neuralgias. What is their most likely mechanism of action?

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138

Autopsy of the body of a 76-year-old man, who died of cardiovascular failure, revealed voluminous white- yellow plaques in the aortic intima. In their center, the plaques contain amorphous, finely granular masses that are embedded into the vessel wall. What stage of atherosclerosis can be characterized by such changes?

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139

After a tooth extraction, a child developed bleeding that persisted for the next 6 hours. Analysis of the hemostasis system revealed a sharp decrease in the levels of blood coagulation factor V Ill. What pattern of inheritance does this disease have?

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140

With age, crystalline lens in the human eye loses its elasticity. What main sign of elasticity loss will be observed?

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141

Parotid contrast sialography is necessary for clarification of the diagnosis of a 25-year-old patient. Where is the orifice located, through which a contrast medium can be introduced?

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142

The process of translation occurs in a ribosome. The ribosome reached a UAA codon. No tRNA can recognize this codon in the process of polypeptide biosynthesis, which is why the synthesis of the polypeptide chain stopped. The UAA codon is a signal for:

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143

A patient presents with destruction of a tympanic cavity wall, with pus spreading into the posterior cranial fossa. What tympanic cavity wall was destroyed?

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144

After anesthetic application during tooth extraction, the patient developed marked soft tissue edema of the upper and lower jaw, facial rash, reddening and itching of the face. What pathological process results in such reaction to the anesthetic?

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145

Autopsy of the body of a 6- month- old child, who died of a protracted infectious disease, revealed diminished size and weight of the thymus. Microscopy of the thymus shows lobular atrophy, extremely low lymphocyte count, inversion of the layers, and increased count of thymic corpuscles. What pathology developed in the child's thymus?

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146

Heart auscultation detects a split first cardiac sound in the fifth intercostal region on the midclavicular line. The split sound is caused by a pathology of a certain heart valve. What heart valve is it?

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147

A 30-year-old man presents with decreased amplitude of P wave on ECG. What does this wave mean? pale, with dough- like texture, and emit a cracking sound, when they are being cut. Microscopy shows in all lung segments severely distended proximal portions of the acini and thinned-out alveolar walls with anemic capillaries. What clinical type of emphysema has such morphology?

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148

A 70-year-old man complains of pain in the small joints of his arms and legs. The joints are deformed and painful. Urate levels in the patient's blood and urine are high. What metabolism is disturbed in this patient?

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149

Examination of the patient's revealed gram-positive cocci, sputum arranged in pairs. What microorganism is the most likely causative agent of the patient's disease?

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150

Autopsy of the body of a 45-year-old man, who for a long time had been suffering from chronic bronchitis, shows enlarged lungs that do not deflate. The lungs are hyperinflated,

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151

Some mRNA triplets (UAA, UAG, UGA) code no amino acids and terminate the information readout instead, i.e., they can stop the process of transcription. These triplets are called:

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152

A patient has a general sensitivity loss in separate areas of his body on the right. What cerebral gyrus is affected in this case?

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153

A patient needs his tongue to be amputated due to a malignant tumor located there. Where can one easily find the lingual artery and ligate it?

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154

It is known that calcium ions, along with other factors, enable contraction of the muscle tissue. In the process of muscle contraction, calcium interacts with the following structures:

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155

An excessive bone tissue loss is often observed in older people, which indicates osteoporosis development. What bone tissue cells are activated, resulting in the development of this disease?

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156

In the microslide of a human embryo obtained from a spontaneous miscarriage, an embryonic shield is visible and has two cellular layers: endoderm and ectoderm. This embryo was at the following developmental Stage:

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157

Disturbed endoderm differentiation was detected in an embryo material. This process can lead to developmental changes in the following organs:

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158

Microslide of a cardiac tissue shows rectangular cells with central location of the nucleus and well-developed myofibrils that are connected with Z-disks. These cells perform the following cardiac function:

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159

The process of aging in humans is associated with decreased synthesis and secretion of pancreatic juice and its lower trypsin content. It results in disturbed breakdown of:

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160

A topical anesthetic was applied to the tongue apex of an experiment participant. The resulting gustatory loss will make this person unable to feel the following taste:

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