CNS Infectious Test 3- 5th Year- PMU

Descrição

CNS Infectious Test 3- 5th Year- PMU
Med Student
Quiz por Med Student , atualizado more than 1 year ago
Med Student
Criado por Med Student mais de 4 anos atrás
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8

Resumo de Recurso

Questão 1

Questão
Which meningitis is characterized by the following CSF findings – lymphocytic pleocytosis, normal or slightly elevated protein and normal glucose level?
Responda
  • Viral
  • Purulent
  • Tuberculous

Questão 2

Questão
Meningeal irritation includes
Responda
  • nuchal rigidity, hyperesthesia
  • diminished tendon reflexes
  • altered mental status

Questão 3

Questão
Characteristic clinical manifestation of enteroviral infections is
Responda
  • Herpagina
  • Gingivostomatitis
  • Exudative pharyngitis

Questão 4

Questão
Which of the following statements regarding enteroviruses as causative agents of aseptic meningitis are NOT TRUE?
Responda
  • Enteroviruses account for up to 80% of cases of viral meningitis.in children
  • The clinical presentation in children is milder than in adults
  • Lymphocytes are predominant in the first 24 hours, later neutrophils prevail

Questão 5

Questão
Poliomyelitis is characterised by
Responda
  • flaccid asymmetric, proximal paralysis
  • flaccid symmetric, proximal paralysis
  • full recovery of the affected limb

Questão 6

Questão
The most common causative agents of pyogenic meningitis are
Responda
  • S.pneumoniae, N. meningitidis, H. influenzae
  • E. coli, S. aureus, Myc. tuberculosis
  • Salmonella spp., L. monocytogenes, St. epidermidis

Questão 7

Questão
Which of the following statements regarding the use of neuroimaging techniques (CT, MRI) in the diagnosis of HSV1 encephalitis are correct?
Responda
  • Focal lesion in the temporofrontal region is the most common finding
  • CT scanning is the most sensitive neuroimaging technique
  • Diffuse cerebral inflammation is the most common finding

Questão 8

Questão
The causative agents of poliomyelitis are
Responda
  • Enteroviruses
  • Coronaviruses
  • Paramixoviruses

Questão 9

Questão
Antivirals are used for therapy of
Responda
  • Enterovirus encephalitis
  • HSV1 encephalitis
  • Japanese encephalitis

Questão 10

Questão
Tetanus is characterised by
Responda
  • Altered consciousness
  • Intermittent muscle rigidity
  • Constant muscle rigidity and recurring contractions

Questão 11

Questão
Treatment of cerebral oedema includes
Responda
  • Diuretics — spironolacton
  • Diuretics - mannitol
  • Non-steroidal anti-inflammatory drugs

Questão 12

Questão
40-year old man was admitted to the ED because of progressive worsening headache and drooping right eyelid for the last 6 hours. Over the last week he felt uneasy, with throbbing headache, vomited twice. On presentation he was alert, T-37,4°C, with normal vital signs, mild nuchal rigidity, right n. abducens palsy, the remainder of physical examination was without abnormalities. His CXR showed a right apical opacity and ipsilateral hilar lymphadenopathy. Below are the results of the CSF examination and Gram stain: Appearance - turbid Cells- 159.10^6/l (90% neutrophils) Protein- 1.2 g/l Glucose- 1,5 mmol/l (blood glucose — 5,9 mmol/l) Gram stain- no bacteria seen Acid-fast stain- no bacteria seen Cryptococcus antigen- negative Culture- no bacterial growth Mycobacteria PCR- genus negative/ M. tuberculosis complex negative Mycobacteria culture- continuing Which specific infection needs to be considered in this clinical setting?
Responda
  • Tuberculous meninigitis
  • Cryptoccocal meningitis
  • CNS nocardiosis

Questão 13

Questão
40-year old man was admitted to the ED because of progressive worsening headache and drooping right eyelid for the last 6 hours. Over the last week he felt uneasy, with throbbing headache, vomited twice. On presentation he was alert, T-37,4°C, with normal vital signs, mild nuchal rigidity, right n. abducens palsy, the remainder of physical examination was without abnormalities. His CXR showed a right apical opacity and ipsilateral hilar lymphadenopathy. Below are the results of the CSF examination and Gram stain: Appearance - turbid Cells- 159.10^6/l (90% neutrophils) Protein- 1,2 g/l Glucose- 1,5 mmol/l (blood glucose — 5,9 mmol/l) Gram stain- no bacteria seen Acid-fast stain- no bacteria seen Cryptococcus antigen- negative Culture- no bacterial growth Myeobacteria PCR- genus negative/ M. tuberculosis complex negative Mycobacteria culture- continuing Do the results of microscopy rule out this diagnosis?
Responda
  • no, microscopy of CSF for AFB will get positive results in 25% of the cases
  • yes, because the are negative
  • no, because AFB will be sought in sputum rather than in CSF

Questão 14

Questão
Which type of meningitis is characterized by the following CSF findings – lymphocytic pleocytosis, elevated protein and decreased glucose level
Responda
  • viral
  • purulent
  • tuberculous

Questão 15

Questão
The rash of meningococcemia is
Responda
  • hemorrhagic necrotic, localized predominantly on the lower limbs and buttocks
  • vesicular, diffuse
  • vesicular, highly pruritic

Questão 16

Questão
The specific CNS complication of Chickenpox is
Responda
  • cerebellitis
  • meningitis serosa
  • polyradiculoneuritis - Guillain-Barre

Questão 17

Questão
Which of the following statements regarding tetanus is correct
Responda
  • Tetanospamin is an endotoxin that affects motor and sensory function
  • The disease is difficult to clinically differentiate from rabies because of the marked muscle spasm present in both
  • Metronidazole and Penicillin are antibiotics of choice

Questão 18

Questão
A 4 year-old girl presents with a macularpapular rash on her hands and feet and painful ulcers distributed anteriorly on her lips , tongue, palate and buccal mucosa. Systemic features and lymphadenopathy are absent. Which of the following viruses is most likely to have caused these disorder?
Responda
  • Enterovirus
  • Coronavirus
  • HSV-1

Questão 19

Questão
Empirical therapy for bacterial meningitis includes
Responda
  • 3rd generation Cephalosporins + Vancomycin
  • Penicillin + Metronidazole
  • 3rd generation Cephalosporins + Clindamycin

Questão 20

Questão
Serotherapy (antibodies based medications) is used for
Responda
  • Rabies
  • Tetanus
  • HSV1 encephalitis

Questão 21

Questão
Which of the following statements regarding leptospirosis IS NOT true
Responda
  • Leptospirosis is a biphasic illness with multiorgan involvement
  • Gentamycin is the antibiotic of choice
  • Infection is acquired during walking or bathing in rivers

Questão 22

Questão
Which of the following ARE NOT common clinical manifestations of HSV1 encephalitis
Responda
  • Drowsiness
  • Personality change
  • Diarrhoea

Questão 23

Questão
A 19-year-old freshman, living in a dormitory accommodation, took to his bed early one Friday evening, complaining of a flu-like illness and headache. The next morning he was found unresponsive with a widespread non-blanching rash. He was taken to the ED. Physical examination revealed unresponsive patient with signs of meningeal irritation, T-39,5°C,blood pressure 120/70 mmHg, heart rate 100 beat/min. A lumbar puncture was done after CT scan. Below are the results of the CSF examination and Gram stain: Appearance - turbid Cells - 800.10^6/l, neutrophils Glucose — 0.5 mmol/l (blood glucose - 7,0 mmol/l) Gram stain — no bacteria seen The whole freshman year had received a meningococcal vaccine prior to starting their course What do your think is the cause of this infection?
Responda
  • N. meningitis B
  • S. pneumonia
  • H. influenzae

Questão 24

Questão
A 19-year-old freshman, living in a dormitory accommodation, took to his bed early one Friday evening, complaining of a flu-like illness and headache. The next morning he was found unresponsive with a widespread non-blanching rash. He was taken to the ED. Physical examination revealed unresponsive patient with signs of meningeal irritation, T-39,5°C,blood pressure 120/70 mmHg, heart rate 100 beat/min. A lumbar puncture was done after CT scan. Below are the results of the CSF examination and Gram stain: Appearance - turbid Cells - 800.10^6/l, neutrophils Glucose — 0.5 mmol/l (blood glucose - 7,0 mmol/l) Gram stain — no bacteria seen The whole freshman year had received a meningococcal vaccine prior to starting their course Why was he not protected by the vaccine?
Responda
  • the vaccine is not immunogenic enough
  • N. meningitis b is not included in the vaccine
  • the vaccine is not properly administrated

Questão 25

Questão
Which meningitis is characterized by the following CSF findings — neutrophilic pleocytosis, elevated protein and decreased glucose level?
Responda
  • Viral
  • Purulent
  • Tuberculous

Questão 26

Questão
A 3-week-old boy developed focal seizures, lethargy and vomiting. Examination shows a bulging fontanelle and nuchal rigidity. Which of the following organisms should be suspected?
Responda
  • E.coli and Str. agalactiae
  • H. influenzae and N. meningitis
  • H. influenzae and S. pneumoniae

Questão 27

Questão
The majority of nonimmunized patients infected with poliovirus would be expected to experience which of the following symptoms
Responda
  • Aseptic meningitis
  • Flaccid paralysis of one or more extremities
  • Asymptomatic infection

Questão 28

Questão
Which of the following findings IS NOT characteristic of infant meningitis
Responda
  • Bulging fontanelle, Lessage sign
  • Distended abdomen
  • Cri encephalique

Questão 29

Questão
Meningeal irritation, prolonged and severe mental status impairment and focal neurological findings are common in
Responda
  • Meningoencephalitis
  • Encephalitis
  • Meningitis

Questão 30

Questão
Poliomyelitis is characterized by a
Responda
  • Flaccid asymmetric paralysis, proximal
  • Flaccid symmetric paralysis, proximal
  • Full recovery of the affected limb

Questão 31

Questão
Which patient with suspected bacterial meningitis should undergo CT of the head prior to lumbar puncture?
Responda
  • Infants
  • Those with focal neurological findings
  • It is a rule for every patient

Questão 32

Questão
Typical clinical manifestations of enterovirus infections are
Responda
  • Herpangina
  • Gingivostomatitis
  • Pneumonia

Questão 33

Questão
A 45-year-old man was brought to the ED by his wife after a new onset of seizure. He had been well until 48 hours prior when he had the abrupt onset of fever and headache . Over the next 2 days he exhibited bizarre behaviour. On physical examination he was minimally responsive without nuchal rigidity or focal neurological findings. A CT scan of the head showed diffuse inflammatory changes, greates in the left temporal lobe. Blood laboratory results - unremarkable . Below are the results of the CSF examination and Gram stain Appearance - turbid Erythrocytes- 700. 10^6/l Cells - 43.10^6/l, lymphocyte predominance Protein- 0.7 g/l Glucose- normal Gram stain- no bacteria seen What is the diagnosis likely to be?
Responda
  • Arboviral encephalitis
  • VZV encephalitis
  • HSV encephalitis

Questão 34

Questão
A 45-year-old man was brought to the ED by his wife after a new onset of seizure. He had been well until 48 hours prior when he had the abrupt onset of fever and headache . Over the next 2 days he exhibited bizarre behaviour. On physical examination he was minimally responsive without nuchal rigidity or focal neurological findings. A CT scan of the head showed diffuse inflammatory changes, greates in the left temporal lobe. Blood laboratory results - unremarkable . Below are the results of the CSF examination and Gram stain Appearance - turbid Erythrocytes- 700. 10^6/l Cells - 43.10^6/l, lymphocyte predominance Protein- 0.7 g/l Glucose- normal Gram stain- no bacteria seen What antimicrobial agent need to be considered?
Responda
  • Acyclovir
  • Ganoyclovir
  • Zanamivir

Questão 35

Questão
Which meningitis is characterized by cranial nerves palsies, CSF — with low glucose level and without response to empirical antibiotic therapy
Responda
  • Tuberculous
  • Purulent
  • Viral

Questão 36

Questão
Which diseases in not vaccine preventable
Responda
  • Lyme borreliosis
  • Poliomyelitis
  • Measles

Questão 37

Questão
The antibiotic of choice in treating diphtheria is
Responda
  • erythromycin - stops toxin production and eradicate shedding
  • quinolones
  • gentamicin

Questão 38

Questão
Strawberry tongue is characteristic of Ex which disease: - also in Kawasaki's disease
Responda
  • Scarlet fever
  • Measles
  • Chickenpox

Questão 39

Questão
Which disease requires antítoxin serum as a first urgent step in the management of the patient
Responda
  • measles
  • diphtheria
  • necrotizing fasciitis

Questão 40

Questão
The desquamation is a characteristic, albeit a late one, of which of the diseases
Responda
  • Measles
  • Scarlet fever
  • Impetigo

Questão 41

Questão
Invasive infection with Streptecoccus pyogenes is a severe complication of
Responda
  • Chickenpox
  • Prolonged hospitalization
  • EBV infection

Questão 42

Questão
Chickenpox rash is characterized by
Responda
  • maculae-papules-vesicles-crasts, in various stages of healing. - rashes appears in crops so have different healing
  • vesicular rash ina. dermatomal distribution - seen in shingles reinfection
  • maculae-papules-vesicles- pustulles- scabs, all in the same stage of development

Questão 43

Questão
Which virus has teratogenic effect in the first trimester of pregnancy
Responda
  • Rubella
  • Enteroviruses
  • Measles

Questão 44

Questão
A 21-old male presented to ED with 2 weeks of low-grade fevers, fatigue. and myalgias. O/P - alert, pharyngeal erythema without exudate. a painful ulcer on the right buccal mucose, cervical lymphadenopahy and a fine erythematous macular rash on his upper chest. He reported he was sexually active with both men and women. Which test should be used to confirm your suspicion
Responda
  • ELISA for HIV
  • HIV 24 antigen
  • VCA IgM for EBV

Questão 45

Questão
Which disease is vaccine preventable?
Responda
  • Scarlet fever
  • Measles
  • Exanthema subitum

Questão 46

Questão
Which of the following statements is typical for pharyngeal diphtheria
Responda
  • creamy bulky patches, firmly attached to the underlying tissues
  • whitish patches on the tonsils and buccal mucosa, easily removable
  • dirty gray patches, adherent to the. underlying tissues, spreading across the tonsils

Questão 47

Questão
In a case of infectious mononucleosis-like symptoms it is important to consider
Responda
  • primary HIV infection
  • neoplasms
  • syphilis

Questão 48

Questão
A 5-year-old girl recently immigrated with her parents to the USA a month ago presented with low-grade fever, bloody nasal discharge, and extensive neck swelling. Her immunization record was not available. She was difficult to understand because of the language barrier; but she seemed to be having difficulty breathing. O/P in distress, T 38.3°C. RR 40/min, HR 140/min, PR 90/60 mm, swollen neck, oropharynx - dense greyish-white membranes spreading across the tonsils and covering uvula and soft palate. What is the most likely diagnosis?
Responda
  • Infectious mononucleosis
  • Retropharyngeal abscess
  • Diphtheria

Questão 49

Questão
A 5-year-old girl recently immigrated with her parents to the USA a month ago presented with low-grade fever, bloody nasal discharge, and extensive neck swelling. Her immunization record was not available. She was difficult to understand because of language barrier; but she seemed to be having difficulty breathing. O/P in distress, T 38,3°C. RR 40/min, HR 140/min, PR 90/60 mm, swollen neck, oropharynx - dense greyish-white membranes spreading across the tonsils and covering uvula and soft palate. What should be the next step in the management of the patient?
Responda
  • ceftriaxone
  • aggressive rehydration
  • antitoxin

Questão 50

Questão
A 5-year-old girl recently immigrated with her parents to the USA a month ago presented with low-grade fever, bloody nasal discharge, and extensive neck swelling. Her immunization record was not available. She was difficult to understand because of language barrier; but she seemed to be having difficulty breathing. O/P in distress, T 38,3°C. RR 40/min, HR 140/min, PR 90/60 mm, swollen neck, oropharynx - dense greyish-white membranes spreading across the tonsils and covering uvula and soft palate. How this severe medical condition should have been prevented? It could be prevented with a diphtheria toxoid containing [blank_start]vaccine (DTP, DTaP)[blank_end] given as part of the immunisation schedules with appropriate [blank_start]boosters[blank_end] given. The close contacts should be tested and given a [blank_start]booster[blank_end] course of the vaccine also
Responda
  • vaccine (DTP, DTaP)
  • booster
  • boosters

Questão 51

Questão
The common complication of Chickenpox is
Responda
  • Cerebellitis
  • Meningitis serosa
  • Poliradiculonevrtis- Guillain Barre type

Questão 52

Questão
Tonsillitis, caused by EBV (Infectious mononucleosis) should be differentiated from
Responda
  • Diphteria
  • Necrotic angina
  • Streptococcal angina

Questão 53

Questão
The rash of meningococcemia is
Responda
  • hemorhagic-necrotic, localized predominantly in the lower limbs and the buttocks
  • vesicular, with diffuse localization
  • hives, variable

Questão 54

Questão
Which of the following statements concerning the Varicella-Zoster-Virus (VZV) infection is true?
Responda
  • Infant whose mother was ill with Herpes Zoster one week after birth, is at risk of severe neonatal varicella and should receive VZV immunoglobulin
  • most life-threatening complication of chickenpox during pregnancy is pneumonia
  • congenital varicella syndrome usually occurs in infants whose mothers have suffered from Chicken pox late in pregnancy

Questão 55

Questão
The rash of Measles is
Responda
  • maculopapular, confluent
  • vesiculopustular on intact skin
  • hemorrhagic, necrotic with irregular shapes and different sizes

Questão 56

Questão
The evolution of the rash of Chickenpox is
Responda
  • macula-papule-vesicle-crust
  • macula-papule-brown pigmentation
  • petechiae ecchymosis, suffusion

Questão 57

Questão
Pregnant in the 2nd LM has moprbilliform rash and negative serological test (RZHA) for Rubella What is the next step?
Responda
  • Therapeutic abortion by medical indications
  • Ribavirin therapy
  • Repeating the test after 3 weeks

Questão 58

Questão
The late complications of Scarlet fever the most often are
Responda
  • carditis, glomerulonephritis, synovitis
  • meningitis or encephalitis
  • mastoiditis, sinusitis or otitis

Questão 59

Questão
Typical for Diphtheria are
Responda
  • thick, dirty gray, removable hard deposits on the tonsils
  • whitish easily removable deposits on the tonsils and buccal mucosa
  • disease is widespread in Bulgaria

Questão 60

Questão
Which is NOT true of heterophile antibodies and Infectious mononucleosis?
Responda
  • in a typical clinical manifestation they are sufficient to confirm the diagnosis
  • in typical clinical manifestation with negative heterophile antibodies we are looking for antibodies to Ebstein-Bar virus
  • heterophile bodies are formed in mononucleosis caused by CMV

Questão 61

Questão
Patients With Chickenpox are contagious
Responda
  • 3 days after the onset
  • until the dropping of the crusts
  • until drying of all vesicles

Questão 62

Questão
A 2-year-old child was having fever from 5-6 days as well as dry cough and hoarse voice, From the day before he came his skin was turning blue after coughing, his voice became almost silent and he also became very restless. He was brought to the Emergency center. Clinical status: impaired condition, acrocyanosis. temperature to 38,6°C. visibly swollen cervical lymph nodes. View of the throat revealed edema pharynx, dirty gray shiny deposits covering the tonsils, uvula and soft palate, the child cried soundless voice inspiratory tachydyspnea- 40/min, breathing was shallow with a circulation, without audible wheezing, heart rate - 158/ min. The remaining objective examination was normal. The most likely diagnosis is
Responda
  • C. Diptheria
  • Streptococcus Group A
  • Erysipelothrix rhusiopathiae

Questão 63

Questão
A 2-year-old child was having fever from 5-6 days as well as dry cough and hoarse voice, From the day before he came his skin was turning blue after coughing, his voice became almost silent and he also became very restless. He was brought to the Emergency center. Clinical status: impaired condition, acrocyanosis. temperature to 38,6°C. visibly swollen cervical lymph nodes. View of the throat revealed edema pharynx, dirty gray shiny deposits covering the tonsils, uvula and soft palate, the child cried soundless voice inspiratory tachydyspnea- 40/min, breathing was shallow with a circulation, without audible wheezing, heart rate - 158/ min. The remaining objective examination was normal. The danger, in this case, is determined from
Responda
  • Asphyxia
  • Resorption the toxin, and impairment of peripheral nerves adjacent
  • Myocarditis

Questão 64

Questão
A 2-year-old child was having fever from 5-6 days as well as dry cough and hoarse voice, From the day before he came his skin was turning blue after coughing, his voice became almost silent and he also became very restless. He was brought to the Emergency center. Clinical status: impaired condition, acrocyanosis. temperature to 38,6°C. visibly swollen cervical lymph nodes. View of the throat revealed edema pharynx, dirty gray shiny deposits covering the tonsils, uvula and soft palate, the child cried soundless voice inspiratory tachydyspnea- 40/min, breathing was shallow with a circulation, without audible wheezing, heart rate - 158/ min. The remaining objective examination was normal. What does the most urgent treatment in case involve?
Responda
  • antibiotic
  • oxygen, corticosteroids, ready for intubations / tracheotomy
  • antitoxin serum

Questão 65

Questão
A 2-year-old child was having fever from 5-6 days as well as dry cough and hoarse voice, From the day before he came his skin was turning blue after coughing, his voice became almost silent and he also became very restless. He was brought to the Emergency center. Clinical status: impaired condition, acrocyanosis. temperature to 38,6°C. visibly swollen cervical lymph nodes. View of the throat revealed edema pharynx, dirty gray shiny deposits covering the tonsils, uvula and soft palate, the child cried soundless voice inspiratory tachydyspnea- 40/min, breathing was shallow with a circulation, without audible wheezing, heart rate - 158/ min. The remaining objective examination was normal. The most dangerous side effects due to serum were
Responda
  • anaphylaxis
  • serum sickness
  • paresis

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