HomeKROK Question Archive
KROK Question Archive
KROK 1 Dentistry 2020 Questions | KROKEXAM
Browse 2020 KROK 1 Dentistry exam questions with answers and explanations.
Exam questions
450 Questions401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440
After an exposure to radiation the patient is recommended to include more vegetable oils in his diet as they are a source of polyene fatty acids Name the acid that has three double bonds:
View question and answer
Specify the concentration of ethyl alcohol that has the most active antimicrobial action in protein containing medium:
View question and answer
A 25-year-old patient has marked muscle weakness. What electrolytes in the blood plasma should be measured first?
View question and answer
A cessation of morphine administrationafter its long-term use leads tothe development of severe mental,neurological, and somatic disorders.Name this condition:
View question and answer
The autospy of the body of a 4-year-old girl who was ill for a long time and died of confluent pneumonia, showed that the weight of her thymus 2 grams.Thymus histology revealed sharped decreases in lymphocytes l evel collapses of the thymic stroma and small number of calcified cystically dilated Hassalls corpuscles. What pathological process developed in the thymus?
View question and answer
The workers of a nuclear power plant undergo regular medical check - ups during which primarily the system that is the most sensitive to ionizing radiation is examined Name this system
View question and answer
A sick child has signs of achondroplasia (dwarfism). It is known that this disease is monogenic and the gene that causes the development of this anomaly is dominant. The natural brother of this child has normal development. Genotypically, the healthy child is
View question and answer
Replication is one of the reactions of the matrix synthesis what new molecule forms on the DNA molecule in the result of replication.
View question and answer
A newborn has well developed jaws with tooth buds for both deciduous and permanent teeth in the each one. How many tooth buds are there in one jaw of the newborn?
View question and answer
A patient with peptic ulcer disease of the stomach is described a drug that blocks histamine H2 receptors select this drug from the list
View question and answer
An examination of the tooth 16 revealed a cavity on its masticatory surface. The cavity has a narrow opening and filled with softened dentin. Microscopically there are bacteria in the dialated dental canaliculi, some canaliculi are destroyed and the cavity merge together into caverns decalcification of enamel and dentin occurs without formation of the replacement of dentin. Make the diagnosis.
View question and answer
On the day before surgery,the patient was stressed out. This condition is associated with high blood levels of the following hormone:
View question and answer
When preparing a dental plaque mear and staining it according to the Gram method, a student during microscopy detected there various violet and pink microorganisms. What structural component of microorganisms use different response to stains?
View question and answer
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:
View question and answer
LM sechenov determined that tired limb restore its working ability faster at rest if the other limb is exerted at the same time .This discovery became the foundation of doctine of
View question and answer
Name the state of the biosphere where the human mental activity where is the key development factor
View question and answer
A.man came to the virology laboratory of an infectious diseases hospital He needs to be examined for HIV infection. What methods of of laboratory diagnostics for HIV infection and AIDS are currently used in Ukraine?
View question and answer
A 38-year-old man with chronic alcoholism died of progressive heart failure. an autopsy shows there is pleuroperitoneum in the lower lobe of right lung histology shows a fibrinous exudate and segmental leukocytes in the alveoli determine the stage of pneumonia:
View question and answer
A woman is diagnosed with a hemorrage into the posterior horasis of the spinal cord what is their function.
View question and answer
During the neurologist's examination, a patient presents with a sensory loss on the back surface of the left hand. Namethis phenomenon
View question and answer
Tyrosine is used as a substrate in thyroxine synthesis. What chemical element takes part in this process?
View question and answer
A 16-year-old girl, who has been starving herself for a long time to lose weight, developed an edema. This phenomenon is mainly caused by:
View question and answer
During a dental manipulation, the patient developed an angina pectoris attack. What group of drugs needs to be prescribed for the emergency aid in this case?
View question and answer
Ultrasound of a 1.5-year-old child showed a non-union of the foramen ovale. Where in the heart is this anatomic structure located?
View question and answer
A urine sample was taken via catheter from the urinary bladder of a 17-year-old young man. Microscopy of the urine precipitate in this case detect cells of the epithelium that lines the urinary bladder. What epithelium is it ?
View question and answer
A woman gave birth to a child with toxoplasmosis The woman thinks that she contracted toxoplasma from her friend, who recently gave birth to a child with the same disease. A human CANNOT be infected with toxoplasma through the following route:
View question and answer
During dental manipulation in the oral cavity, a woman feel unwell: she developed headache and palpitations. Blood pressure measurement revealed a is the normal value (mm Hg) of human systolic pressure of 170 mm Hg. What systolic blood pressure?
View question and answer
Brain investigation by mean of nuclear magnetic resonance revealed a patient have a hapatoma in the genuine of the internal capsule .what pathways is damage in case;
View question and answer
A patient developed a keloid scar in the area of a purulent skin inflammation (carbuncle). At what stage of inflammation does it occur?
View question and answer
Histopathological analysis of the tissues of an extracted tooth shows that a larger part of the dental cavity is filled with the collagen fiber-rich connective tissue and cellular infiltration that are made up of lymphocytes and plasma cells. What type of pulpitis can be characterized by the described changes?
View question and answer
After anesthetic application doing during tooth extraction the patient developed marked soft tissue edema of the upper and lower jaw and skin rash on the face, itching, reddening. What pathological process results in which reactions to the anasthetics ?
View question and answer
Rocentgenologically confirmed obstruction of common bile duct resulted in preventing bile from inflowing to the duodenum what process is likely to be disturbed ?
View question and answer
A patient with signs of anxiety fear, uncertainly and mental strain was prescribed diazepam. What mechanism of transquilizing action can be observed in this case ?
View question and answer
The dentist examines a pregnant woman. There are two round lesions up to 1 cm in diameter on her oral mucosa. The lesions appeared 3 days ago, they have white gray surface and red margin. The dentist can make the following diagnosis :
View question and answer
During examination of the patients at dentist noted that many of them have Dull, non glossy enamel with porcelain like and pigment export some patients have single or multi Enamel defects that manifest as colourless for pigment these changes in the teeth developed is the result of excessive intake of certain substances substance by the organism name the substance.
View question and answer
On an electronic micro photography of epithelial tissue a certain structure can be identified the structure is located under the epithelial cells and shaped like a three-dimensional reticulum name the structure.
View question and answer
A man is being examined in the maxillofacial surgery deparment and the doctor studies his mandibular buttresses How many buttresses are there on the lower jaw?
View question and answer
2 months after a kidney transplantation the patient's condition deteriorated Based on laboratory analysis it was determined that transplant rejection started what factors of the immune system Plays the key role in the reaction of the transplant rejection ?
View question and answer
An inoculation of pus obtained from a furuncle revealed spheric microorganisms arranged in grape clusters. What microbes were detected ?
View question and answer
A doctor has made a diagnosis of gingivitis and recommended the patient to rinse the oral cavity with an oxidizing agent .specify this agent ;
View question and answer