The patient’s examination in a hospitals pecialised in diseases of nervous system hasr evealed absence of light-induced miosis. It isc aused by the damage of the following brains tructures:
A specimen presents an endocrine system
organ covered with capsule made of connective
tissue. Septa branch off from the capsule
inwards and divide the organ into lobules. Each
lobule consists of two cell types: neurosecretory
pinealocytes (polygonal cells with processes)
located in the center and gliacytes (astrocytes)
located at the periphery. What organ is
represented in this specimen?
Alcoholic intoxication is accompanied by
disturbed motor coordination and equilibrium
due to the damage caused to structural elements
of the cerebellum. Functional disturbance of the
following cells occurs in the first place:
Carious cavities of a 29-year-old patient
contain parasitic protozoa. It is established that
they belong to the Sarcodina class. Specify these
protozoa:
A patient presents with dysfunction of the
cerebral cortex accompanied by epileptic
seizures. He has been administered a biogenic
amine synthetized from glutamate and
responsible for central inhibition. What
substance is it?
What factor results in the highest energy
expenditure under the normal vital activity
conditions?
In the process of embryogenesis of
dentomaxillary system there was an enamel
disturbance detected. What source of tooth
development is damaged in this case?
During teeth examination on the lateral
surface of the first upper molar there was
detected a cone-shaped carious cavity with base
oriented towards the tooth surface and apex -
towards the tooth center. Softened dentin is
visible at the floor of the carious cavity. Make
the diagnosis:
Bacilli were extracted from the
investigated sample. The bacilli are curved,
extremely mobile, gramnegative, form no spores
or capsules, have anaerobic form of respiration.
They form transparent smooth colonies in
alkaline agar, ferment saccharose and mannose
into acid, produce exotoxin, fibrinolysin,
collagenase, and hyaluronidase. What agent was
extracted?
Examination of a patient revealedg lycosuria and hyperglycemia. He complains of dry mouth, itchy skin, frequent urination, thirst. He has been diagnosed with diabetes mellitus. What is the cause of polyuria in this patient?
The autopsy of the body of a man, who
suffered from toxic diphtheria and died on the 9 th day from the onset of disease with signs of cardiac decompensation, has revealed the following: dilated cardiac cavities, dull flaccid myocardium, myocardial section is variegated. Microscopy revealed fatty degeneration of cardiac hystiocytes, large foci of myocytolysis, stromal edema with scant lymphocytic and macrophageal infiltration. Specify the type of myocarditis in this case:
A 33-year-old man has a cystic growth
connected to the 2nd molar of the lower jaw.
Within the cystic cavity there is a rudimentary
tooth. On microscopy: inner cystic surface is
covered with stratified squamous epithelium,
there are groups of mucin-producing cells. What
diagnosis is the most likely?
In dental practice atropine sulfate is used
to decrease salivation. This drug belongs to the
following group:
A doctor has made a diagnosis of
gingivitis and recommended the patient to rinse
the oral cavity with an oxidizing agent. Specify
this agent:
Roentgenologically confirmed
obstruction of common bile duct resulted in
preventing bile from inflowing to the duodenum.
What process is likely to be disturbed?
A specimen of intestine demonstrates
complex branching tubuloalveolar glands with their ends embedded in the submucous layer.
What organ is it?
A 50-year-old man came to a hospital
with complaints of memory disorders, painful
sensations along the nerve trunks, decreased
mental ability, circulatory disorders and
dyspepsia. Anamnesis states excessive alcohol
consumption. What vitamin deficiency can
result in such symptoms?
A connective tissue specimen stained
with hematoxylin-eosin shows isogenous cell
groups surrounded with basophilic intercellular
substance. No fibrous structures are detected.
What type of connective tissue is it?
An accident had resulted in a
65-year-old man drowning in a lake.
Resuscitation measures allowed to restore his
respiration and cardiac function. What factor
prolongs the period of apparent death?
A 47-year-old man consulted a dentist
about difficult mouth opening (trismus). The patient has a history of a stab wound of the lower
extremity. What infection can be manifested by
these symptoms?
A patient is diagnosed with deformed
posterior portion of the nasal septum. What bone
is deformed?
Gastroscopy of a patient revealed the
lack of mucus in the coating of the mucous
membrane. This can be caused by the
dysfunction of the following cells of gastric
wall:
On microscopic examination of a
surgical biopsy material (part of the lip with an
ulcer) near the ulcer margins and under the ulcer
floor in the connective tissue of mucosa there are
epithelial complexes composed of atypical
stratified epithelium with pathological mitotic
figures. Within these complexes there are
accumulations of bright pink concentric
formations. What pathology is it?
During an experiment aimed as study of respiration regulation processes the peripheral
chemoreceptors of test animals were stimulated,
which resulted in changed respiratory rate and
depth. Where are these receptors localized?
A patient suffers from disturbed blood
supply of superior lateral surface of the cerebral
hemispheres. What blood vessel is damaged?
Electron diffraction pattern of a
spermatozoon clearly presents a sheathlike
structure localized in the spermiocalyptrotheca
and participating in dissolution of ovular
membranes. Name this structure:
According to the law of constancy of
chromosome numbers, most animal species
have definite and constant chromosome number.
The mechanism that maintains this constancy
during sexual reproduction of organisms is
called:
A patient, who had been eating only
polished rice, developed polyneuritis caused by
thiamine deficiency. What compound can be indicative of this kind of avitaminosis when
excreted with urine?
Cytogenetic analysis allowed to
determine the patient’s karyotype - 47, XY,
+21/46, XY. Name this condition:
To prevent wound infection associated
with surgical procedures a patient was given a
synthetic antiprotozoan drug demonstrating high
activity against Helicobacter pylori. Specify this
drug:
A patient suffers from diabetes mellitus
with fasting hyperglycemia over 7,2 mmol/l.
What blood plasma protein would allow to
assess the patient’s glycemia level
retrospectively (4-8 weeks prior to
examination)?
A doctor has established significant
growth retardation, disproportional body build,
and mental deficiency of a child. What is the
most likely cause of this pathology?
A patient with symptoms of acute heart
failure, namely pallor, acrocyanosis, and rapid
shallow breathing, has been delivered to an
emergency department. Which of these drugs is
indicated in this case?
Cytochemical investigation revealed
high content of hydrolytic enzymes in the
cytoplasm. This phenomenon indicates the
activity of the following organelles:
A patient diagnosed with botulism has
been prescribed antibotulinic serum for
treatment. What immunity will be formed in the
given patient?
The patient’s saliva has been tested for
antibacterial activity. What saliva component
has antibacterial properties?
A schizophrenic patient has been
prescribed aminazine. What pharmacodynamic
action of this drug justifies its prescription in this
case?
During examination of a woman she was
found to have a luminal narrowing of the right
jugular foramen (foramen jugulare). What
cranial bones form this foramen?
Histologic specimen demonstrates an
oral cavity organ with mucosa covered with
keratinized stratified squamous epithelium.
Specify this organ or its part:
A patient with a nasal trauma presents
with skull fracture that circles the piriform
opening. What bone is damaged?
One of the coats of a hollow organ has
anastomotic fibers with nuclei. The fibers
consist of cells that form intercalated disks at the
places of contact. What tissue forms this coat?
A patient has developed a grayish-white
dense protruding focus on the oral mucosa.
Histologycally there are hyperkeratosis,
parakeratosis, and acanthosis of epithelium with
lymphocytic and plasmocytic infiltration of
underlaying connective tissue in this area. What
pathology has developed in the oral mucosa?
On microscopic examination of
leftovers of the canned meat eaten by a patient
with severe food toxicoinfection the following
was detected: grampositive bacilli with
subterminal staining defect and configuration
alteration of bacilli generally resembling a
tennis racket. What agent was detected?
A patient with glossitis presents with
disappearance of lingual papillae, reddening and
burning pain in the tongue. Blood test:
erythrocytes 2,2 · 1 01 2/l, hemoglobin - 103 g/l,
color index - 1,4. What type of anemia is it?
A patient with autoimmune thyroiditis
has been prescribed a peptide hormonal agent.
Specify this agent:
A worker of a cattle farm consulted a
surgeon about fever up to 4 0
oC, headache,
weakness. Objective examination of his back
revealed hyperemia and a dark red infiltration up
to 5 cm in diameter with black bottom in its
center, which was surrounded with pustules.
What disease are these presentations typical of?
A 33-year-old man presents with
disturbed pain and thermal sensitivity after a
spinal cord trauma. The following ascending
tract is injured:
In Western Europe nearly half of all
congenital malformations occur in the children
conceived in the period when pesticides were
used extensively in the region. These congenital
conditions are the result of the following factor:
Microscopy of an oval cell, 150 micron
in size, revealed the following: cytoplasm has
yolk inclusions but no centrioles. Name this cell:
A patient has been hospitalised with
provisional diagnosis of diphyllobothriasis.
What food products can be the cause of this
condition?
A patient has undergone recurring blood
tests that revealed sharp fluctuations of glucose
content: significant increase in absorptive state
and significant decrease in postabsorptive state.
What pathology can be the cause of it?
A 24-year-old patient has been
administered glutamic acid to treat epilepsy.
Medicinal effect in this case occurs not due to
glutamate itself, but due to the product of its
decarboxylation:
Histological investigation of renal
biopsy material taken from a patient with
tuberculosis has revealed chaotically located
chromatin granules in the focus of caseous
necrosis. These changes are the result of:
Enzymes and other active substances
regulating connective tissue density and
permeability are being produced in connective
tissue cells. What enzyme drug is used to make
the connective tissue growths looser and more
permeable?
Microscopic examination of pus sample
taken from mandibular fistula canal and stained
by Gram’s method has revealed druses with
gram-positive coloring in the center and
cone-shaped structures with gram-negative
coloring. Such morphology is characteristic of
the agent of:
At a certain stage of human ontogenesis,
physiological bond occurs between circulatory
systems of the mother and the fetus. This
function is being carried out by the following
provisory organ:
Autopsy of a 58-year-old man, who had
been suffering from rheumatic heart disease and
died of cardiopulmonary decompensation,
revealed gray diffuse film- and fiber-shaped
coating in his pericardium. What type of
inflammation is characteristic of this
pericarditis?
A newborn boy has been diagnosed with
hydrocephalus. Doctors consider it to be caused
by teratogenic factors. What germ layers are
affected by the teratogen?
There is increased activity of AST, LDH
1 , LDH 2 , and CPK in the patient’s blood.
Pathological process most likely occurs in the:
Due to overdosage of a vasodilator a
58-year-old patient has developed acute vascular
insufficiency. What drug would be advisable for
termination of this pathological condition?
Deaf parents with genotypes DDee and
ddEE gave birth to a girl with normal hearing.
Specify the form of D and E genes interaction:
A patient is diagnosed with pancreatitis.Starch decomposition disturbance occurs in the
patient’s intestine due to deficiency of the
following pancreatic enzyme:
Autosomal nondisjunction had occurred
in a woman during meiosis. An ovum with the
third copy of the 18th chromosome was formed.
The ovum was impregnated by normal
spermatozoon. The resulting child will suffer
from:
During tooth brushing it is not
uncommon for oral mucosa to be injured.
However, bleeding quickly stops on its own.
What substances in saliva quickly staunch the
flow of blood during minor oral injuries?
Amino acids join to each other in
ribosomes of granular endoplasmic reticulum.
Knowing the sequence of amino acids and
applying genetic code, it is possible to determine
the sequence of nucleoids in:
An oculist has detected increased time of darkness adaptation of a patient’s eye. What
vitamin deficiency can cause such symptom?
During examination of the oral cavity at
the vestibular surface of the lower right incisor
there was detected a rounded growth on the thin
pedicle. Histologically: in the connective tissue
there are numerous thin-walled sinusoids,
hemorrhage areas, hemosiderin foci, and giant
cells resembling osteoclasts. Make the
diagnosis:
A 35-year-old woman is diagnosed with
faucial diphtheria. The patient died with signs of
acute heart failure. On autopsy: heart cavities are
enlarged in the diameter, heart muscle is dull,
flaccid, striped on section, with yellowish areas
under the endocardium. What type of
degeneration was detected in cardiac
hystiocytes?
A patient with displaced fracture of the
right coronoid process of mandible has been
delivered to a first-aid center. What muscle had
displaced the coronoid process?
A 40-year-old patient suffers from
intolerance of dairy products. This condition has
likely developed due to insufficiency of the
following digestive enzyme:
A patient presents with
lymphocytic-monocytic leukogram pattern. It is
characteristic of:
A patient has a history of chronic heart
failure. Which of the following hemodynamic
parameters is a major symptom of cardiac
decompensation development?
A 45-year-old patient with essential
hypertension, who has been taking an
antihypertensive drug for 4 days, notes that his
blood pressure is normalized; however the
patient complains of sleepiness and
sluggishness. What drug is the patient taking?
A patient suffering from malaria has
developed hemolytic anemia after taking
primaquine antimalarial drug. Hereditary insufficiency of the following enzyme in
erythrocytes will be observed in this case:
A 55-year-old man with acute heart
failure has been administered a quickrelief
cardiac glycoside. Which of the following drugs
has been given to the patient?
To perform conduction anesthesia a
patient had been administered a drug used in
dental surgery. The patient developed the
symptoms of poisoning: central nervous system
excitation followed by paralysis and acute
cardiovascular insufficiency (collapse).
Additionally there were allergic reactions
(itching, swelling, erythema). Name this drug:
Premature babies often develop
respiratory distress syndrome. This pathology is
caused by the deficiency of a certain component
of the blood–air barrier. Name this component:
A victim of an accident has hemorrhage
in the area of lateral surface of the mastoid process. What branch of the external carotid
artery supplies this area with blood?
After anaesthetic application during
tooth extraction the patient developed marked
soft tissue edema of the upper and lower jaw,
skin rash on the face, reddening, and itching.
What pathological process results in such
reaction to the anaesthetic?
What coenzyme of flavin-dependent
dehydrogenases participates in the reactions of
tricarboxylic acid cycle?
Autopsy of a 45-year-old man revealed
the following: wrinkled shagreen-resembling
intima in the ascending aorta; elastic staining is
negative. Wall of the left ventricle is up to 1,5
cm in width; no myocardial alterations. Specify
the most probable disease of the aorta:
High-altitude dwellers typically
demonstrate chronically intensified respiration
and decreased pCO2 value of blood. What mechanism is leading in the compensation of
their asid-base imbalance?
In the armpits of a patient there are small
(1-1,5 mm), dorsoventrally flattened, wingless,
blood-sucking insects. Their larvae have been
developing in the armpits as well. What disease
is caused by these insects?
A patient has developed a painful sore
with soft ragged edges in the oral cavity.
Microscopically there is lymphocytic infiltration
with epithelioid and giant multinucleate
Langhans cells in the sore floor. What diagnosis
is the most likely?
Red bone marrow has been damaged
under radioactive emission of 5 Gy. What
determines the red bone marrow sensitivity
towards ionizing radiation?
The autopsy of a 45-year-old man, who
worked in organic acids production and died
from uremia, has revealed reduced and completely destroyed crowns of the upper and
lower incisors. Microscopy detects destruction
of dentin and enamel, the pulp is covered with
dense replacing dentin. What pathological
process occurred in the teeth in this case?
To assess the rate of collagen
disintegration during certain connective tissue
disturbances, it is necessary to measure the urine
content of the following:
A 30-year-old man with
glomerulonephritis has developed nephrotic
syndrome. What symptom invariably
accompanies nephrotic syndrome?
After examining a patient a doctor
recommended him to exclude rich meat and
vegetable broths, spices, and smoked products
from the diet, since the patient was found to
have:
A patient with maxillofacial joint arthritis has come to a dentist. The dentist
prescribed an
ointment with an
antiinflammatory agent that is a pyrazolone
derivative. Name this agent:
Chronic overdosage of glucocorticoids
leads to the development of hyperglycemia.
What process of carbohydrate metabolism is
responsible for this effect?
A puncture sample has been taken from
the inguinal lymph nodes of a patient
provisionally diagnosed with plague. The
sample was inoculated into hard nutrient
medium. What shape will the colonies have, if
the diagnosis is confirmed?
In the course of an experiment
researchers stimulate a branch of the
sympathetic nerve that innervates heart. What
alterations of cardiac activity should be
registered?
A 19-year-old young man has been
examined in a nephrological hospital. Increased potassium content was detected in secondary
urine of the patient. Such alterations are the most
likely to be caused by the increased secretion of
the following hormone:
A forensic laboratory received clothes
of a citizen, who a day before was reported
missing. The clothes were found in a shed, there
are red stains identified as blood by an expert.
What reaction should be performed to determine
whether these red stains are dried human blood?
A patient with chronic renal failure
presents with reduced inulin clearance of 60
ml/min. The following renal function is
disturbed:
A man came to a surgeon with
complains of pain in his lower right abdomen.
On deep palpation the doctor detected a painful
area in the right inguinal region. What part of the
intestine is the most likely to be affected with
pathological process?
For biochemical diagnostics of cardiac
infarction it is necessary to determine activity of
a number of enzymes and their izoenzymes in
the blood. What enzyme assay is considered to
be optimal for confirming or ruling out cardiac
infarction at the early stage, after the patient
develops thoracic pain?
A patient with bronchial asthma has
developed a bronchial spasm during the visit to a
dentist. Name the drug necessary to arrest the
spasm:
A patient has been diagnosed with
severe B12-deficient anemia with hemopoiesis
disturbance. Anamnesis states total gastrectomy.
What cells allow to confirm this diagnosis, if
they are absent in the peripheral blood?
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