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CNS Infectious Test 3- 5th Year- PMU

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CNS Infectious Test 3- 5th Year- PMU

Questão 1 de 65

1

Which meningitis is characterized by the following CSF findings – lymphocytic pleocytosis, normal or slightly elevated protein and normal glucose level?

Selecione uma das seguintes:

  • Viral

  • Purulent

  • Tuberculous

Explicação

Questão 2 de 65

1

Meningeal irritation includes

Selecione uma das seguintes:

  • nuchal rigidity, hyperesthesia

  • diminished tendon reflexes

  • altered mental status

Explicação

Questão 3 de 65

1

Characteristic clinical manifestation of enteroviral infections is

Selecione uma das seguintes:

  • Herpagina

  • Gingivostomatitis

  • Exudative pharyngitis

Explicação

Questão 4 de 65

1

Which of the following statements regarding enteroviruses as causative agents of aseptic meningitis are NOT TRUE?

Selecione uma das seguintes:

  • 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

Explicação

Questão 5 de 65

1

Poliomyelitis is characterised by

Selecione uma das seguintes:

  • flaccid asymmetric, proximal paralysis

  • flaccid symmetric, proximal paralysis

  • full recovery of the affected limb

Explicação

Questão 6 de 65

1

The most common causative agents of pyogenic meningitis are

Selecione uma das seguintes:

  • S.pneumoniae, N. meningitidis, H. influenzae

  • E. coli, S. aureus, Myc. tuberculosis

  • Salmonella spp., L. monocytogenes, St. epidermidis

Explicação

Questão 7 de 65

1

Which of the following statements regarding the use of neuroimaging techniques (CT, MRI) in the diagnosis of HSV1 encephalitis are correct?

Selecione uma das seguintes:

  • 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

Explicação

Questão 8 de 65

1

The causative agents of poliomyelitis are

Selecione uma das seguintes:

  • Enteroviruses

  • Coronaviruses

  • Paramixoviruses

Explicação

Questão 9 de 65

1

Antivirals are used for therapy of

Selecione uma das seguintes:

  • Enterovirus encephalitis

  • HSV1 encephalitis

  • Japanese encephalitis

Explicação

Questão 10 de 65

1

Tetanus is characterised by

Selecione uma das seguintes:

  • Altered consciousness

  • Intermittent muscle rigidity

  • Constant muscle rigidity and recurring contractions

Explicação

Questão 11 de 65

1

Treatment of cerebral oedema includes

Selecione uma das seguintes:

  • Diuretics — spironolacton

  • Diuretics - mannitol

  • Non-steroidal anti-inflammatory drugs

Explicação

Questão 12 de 65

1

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?

Selecione uma das seguintes:

  • Tuberculous meninigitis

  • Cryptoccocal meningitis

  • CNS nocardiosis

Explicação

Questão 13 de 65

1

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?

Selecione uma das seguintes:

  • 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

Explicação

Questão 14 de 65

1

Which type of meningitis is characterized by the following CSF findings – lymphocytic pleocytosis, elevated protein and decreased glucose level

Selecione uma das seguintes:

  • viral

  • purulent

  • tuberculous

Explicação

Questão 15 de 65

1

The rash of meningococcemia is

Selecione uma das seguintes:

  • hemorrhagic necrotic, localized predominantly on the lower limbs and buttocks

  • vesicular, diffuse

  • vesicular, highly pruritic

Explicação

Questão 16 de 65

1

The specific CNS complication of Chickenpox is

Selecione uma das seguintes:

  • cerebellitis

  • meningitis serosa

  • polyradiculoneuritis - Guillain-Barre

Explicação

Questão 17 de 65

1

Which of the following statements regarding tetanus is correct

Selecione uma das seguintes:

  • 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

Explicação

Questão 18 de 65

1

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?

Selecione uma das seguintes:

  • Enterovirus

  • Coronavirus

  • HSV-1

Explicação

Questão 19 de 65

1

Empirical therapy for bacterial meningitis includes

Selecione uma das seguintes:

  • 3rd generation Cephalosporins + Vancomycin

  • Penicillin + Metronidazole

  • 3rd generation Cephalosporins + Clindamycin

Explicação

Questão 20 de 65

1

Serotherapy (antibodies based medications) is used for

Selecione uma das seguintes:

  • Rabies

  • Tetanus

  • HSV1 encephalitis

Explicação

Questão 21 de 65

1

Which of the following statements regarding leptospirosis IS NOT true

Selecione uma das seguintes:

  • Leptospirosis is a biphasic illness with multiorgan involvement

  • Gentamycin is the antibiotic of choice

  • Infection is acquired during walking or bathing in rivers

Explicação

Questão 22 de 65

1

Which of the following ARE NOT common clinical manifestations of HSV1 encephalitis

Selecione uma das seguintes:

  • Drowsiness

  • Personality change

  • Diarrhoea

Explicação

Questão 23 de 65

1

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?

Selecione uma das seguintes:

  • N. meningitis B

  • S. pneumonia

  • H. influenzae

Explicação

Questão 24 de 65

1

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?

Selecione uma das seguintes:

  • the vaccine is not immunogenic enough

  • N. meningitis b is not included in the vaccine

  • the vaccine is not properly administrated

Explicação

Questão 25 de 65

1

Which meningitis is characterized by the following CSF findings — neutrophilic pleocytosis, elevated protein and decreased glucose level?

Selecione uma das seguintes:

  • Viral

  • Purulent

  • Tuberculous

Explicação

Questão 26 de 65

1

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?

Selecione uma das seguintes:

  • E.coli and Str. agalactiae

  • H. influenzae and N. meningitis

  • H. influenzae and S. pneumoniae

Explicação

Questão 27 de 65

1

The majority of nonimmunized patients infected with poliovirus would be expected to experience which of the following symptoms

Selecione uma das seguintes:

  • Aseptic meningitis

  • Flaccid paralysis of one or more extremities

  • Asymptomatic infection

Explicação

Questão 28 de 65

1

Which of the following findings IS NOT characteristic of infant meningitis

Selecione uma das seguintes:

  • Bulging fontanelle, Lessage sign

  • Distended abdomen

  • Cri encephalique

Explicação

Questão 29 de 65

1

Meningeal irritation, prolonged and severe mental status impairment and focal neurological findings are common in

Selecione uma das seguintes:

  • Meningoencephalitis

  • Encephalitis

  • Meningitis

Explicação

Questão 30 de 65

1

Poliomyelitis is characterized by a

Selecione uma das seguintes:

  • Flaccid asymmetric paralysis, proximal

  • Flaccid symmetric paralysis, proximal

  • Full recovery of the affected limb

Explicação

Questão 31 de 65

1

Which patient with suspected bacterial meningitis should undergo CT of the head prior to lumbar puncture?

Selecione uma das seguintes:

  • Infants

  • Those with focal neurological findings

  • It is a rule for every patient

Explicação

Questão 32 de 65

1

Typical clinical manifestations of enterovirus infections are

Selecione uma das seguintes:

  • Herpangina

  • Gingivostomatitis

  • Pneumonia

Explicação

Questão 33 de 65

1

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?

Selecione uma das seguintes:

  • Arboviral encephalitis

  • VZV encephalitis

  • HSV encephalitis

Explicação

Questão 34 de 65

1

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?

Selecione uma das seguintes:

  • Acyclovir

  • Ganoyclovir

  • Zanamivir

Explicação

Questão 35 de 65

1

Which meningitis is characterized by cranial nerves palsies, CSF — with low glucose level and without response to empirical antibiotic therapy

Selecione uma das seguintes:

  • Tuberculous

  • Purulent

  • Viral

Explicação

Questão 36 de 65

1

Which diseases in not vaccine preventable

Selecione uma das seguintes:

  • Lyme borreliosis

  • Poliomyelitis

  • Measles

Explicação

Questão 37 de 65

1

The antibiotic of choice in treating diphtheria is

Selecione uma das seguintes:

  • erythromycin - stops toxin production and eradicate shedding

  • quinolones

  • gentamicin

Explicação

Questão 38 de 65

1

Strawberry tongue is characteristic of Ex which disease: - also in Kawasaki's disease

Selecione uma das seguintes:

  • Scarlet fever

  • Measles

  • Chickenpox

Explicação

Questão 39 de 65

1

Which disease requires antítoxin serum as a first urgent step in the management of the patient

Selecione uma das seguintes:

  • measles

  • diphtheria

  • necrotizing fasciitis

Explicação

Questão 40 de 65

1

The desquamation is a characteristic, albeit a late one, of which of the diseases

Selecione uma das seguintes:

  • Measles

  • Scarlet fever

  • Impetigo

Explicação

Questão 41 de 65

1

Invasive infection with Streptecoccus pyogenes is a severe complication of

Selecione uma das seguintes:

  • Chickenpox

  • Prolonged hospitalization

  • EBV infection

Explicação

Questão 42 de 65

1

Chickenpox rash is characterized by

Selecione uma das seguintes:

  • 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

Explicação

Questão 43 de 65

1

Which virus has teratogenic effect in the first trimester of pregnancy

Selecione uma das seguintes:

  • Rubella

  • Enteroviruses

  • Measles

Explicação

Questão 44 de 65

1

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

Selecione uma das seguintes:

  • ELISA for HIV

  • HIV 24 antigen

  • VCA IgM for EBV

Explicação

Questão 45 de 65

1

Which disease is vaccine preventable?

Selecione uma das seguintes:

  • Scarlet fever

  • Measles

  • Exanthema subitum

Explicação

Questão 46 de 65

1

Which of the following statements is typical for pharyngeal diphtheria

Selecione uma das seguintes:

  • 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

Explicação

Questão 47 de 65

1

In a case of infectious mononucleosis-like symptoms it is important to consider

Selecione uma das seguintes:

  • primary HIV infection

  • neoplasms

  • syphilis

Explicação

Questão 48 de 65

1

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?

Selecione uma das seguintes:

  • Infectious mononucleosis

  • Retropharyngeal abscess

  • Diphtheria

Explicação

Questão 49 de 65

1

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?

Selecione uma das seguintes:

  • ceftriaxone

  • aggressive rehydration

  • antitoxin

Explicação

Questão 50 de 65

1

Preencha os espaços em branco para completar o texto.

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 given as part of the immunisation schedules with appropriate given. The close contacts should be tested and given a course of the vaccine also

Explicação

Questão 51 de 65

1

The common complication of Chickenpox is

Selecione uma das seguintes:

  • Cerebellitis

  • Meningitis serosa

  • Poliradiculonevrtis- Guillain Barre type

Explicação

Questão 52 de 65

1

Tonsillitis, caused by EBV (Infectious mononucleosis) should be differentiated from

Selecione uma das seguintes:

  • Diphteria

  • Necrotic angina

  • Streptococcal angina

Explicação

Questão 53 de 65

1

The rash of meningococcemia is

Selecione uma das seguintes:

  • hemorhagic-necrotic, localized predominantly in the lower limbs and the buttocks

  • vesicular, with diffuse localization

  • hives, variable

Explicação

Questão 54 de 65

1

Which of the following statements concerning the Varicella-Zoster-Virus (VZV) infection is true?

Selecione uma das seguintes:

  • 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

Explicação

Questão 55 de 65

1

The rash of Measles is

Selecione uma das seguintes:

  • maculopapular, confluent

  • vesiculopustular on intact skin

  • hemorrhagic, necrotic with irregular shapes and different sizes

Explicação

Questão 56 de 65

1

The evolution of the rash of Chickenpox is

Selecione uma das seguintes:

  • macula-papule-vesicle-crust

  • macula-papule-brown pigmentation

  • petechiae ecchymosis, suffusion

Explicação

Questão 57 de 65

1

Pregnant in the 2nd LM has moprbilliform rash and negative serological test (RZHA) for Rubella
What is the next step?

Selecione uma das seguintes:

  • Therapeutic abortion by medical indications

  • Ribavirin therapy

  • Repeating the test after 3 weeks

Explicação

Questão 58 de 65

1

The late complications of Scarlet fever the most often are

Selecione uma das seguintes:

  • carditis, glomerulonephritis, synovitis

  • meningitis or encephalitis

  • mastoiditis, sinusitis or otitis

Explicação

Questão 59 de 65

1

Typical for Diphtheria are

Selecione uma das seguintes:

  • thick, dirty gray, removable hard deposits on the tonsils

  • whitish easily removable deposits on the tonsils and buccal mucosa

  • disease is widespread in Bulgaria

Explicação

Questão 60 de 65

1

Which is NOT true of heterophile antibodies and Infectious mononucleosis?

Selecione uma das seguintes:

  • 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

Explicação

Questão 61 de 65

1

Patients With Chickenpox are contagious

Selecione uma das seguintes:

  • 3 days after the onset

  • until the dropping of the crusts

  • until drying of all vesicles

Explicação

Questão 62 de 65

1

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

Selecione uma das seguintes:

  • C. Diptheria

  • Streptococcus Group A

  • Erysipelothrix rhusiopathiae

Explicação

Questão 63 de 65

1

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

Selecione uma das seguintes:

  • Asphyxia

  • Resorption the toxin, and impairment of peripheral nerves adjacent

  • Myocarditis

Explicação

Questão 64 de 65

1

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?

Selecione uma das seguintes:

  • antibiotic

  • oxygen, corticosteroids, ready for intubations / tracheotomy

  • antitoxin serum

Explicação

Questão 65 de 65

1

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

Selecione uma das seguintes:

  • anaphylaxis

  • serum sickness

  • paresis

Explicação