MNJ23-001

  1. Site for primary focus in congenital tuberculosis
  2. Management plan for a child born to a mother (diagnosed in 3rd trimester) as per IAP.

Answer

No model answer in source material.


MNJ23-002
A 6-year-old child Ravi, resident of Bihar, is admitted with the fever of 10 days, loss of appetite 10 days and hepatosplenomegaly. His peripheral smear is shown below:

images/MNJ-P-OSCE 23. Infectious disease_page_6_Picture_16.jpeg

  1. See the PBF and give the finding with form of parasite.
  2. Name of the culture media use for diagnosis
  3. Drugs used to treat resistant cases of this disease.

Answer

No model answer in source material.


MNJ23-003
Name direct and indirect evidences for lab diagnosis of kala-azar (2 each).

Answer

No model answer in source material.


MNJ23-004
Study this picture of a 7 month infant who developed a rash during the declining phase of fever starting with the cheeks (image):

  1. What is the most probable diagnosis?
  2. What is the causative organism?
  3. Name two situations where infection with this organism may be life-threatening.

Answer

1 . Erythema infectiosum / fifth disease


MNJ23-005

images/MNJ-P-OSCE 23. Infectious disease_page_6_Picture_26.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_7_Picture_2.jpeg

  1. Define contact and give its treatment.
  2. Treatment for BCG adenitis

Answer

1 . Contact: Any child who is living in a household with an adult taking ATT or has taken ATT in past 2 years; Treatment is 6 HR.


MNJ23-006

  1. Define malarial resistance.
  2. What 1s premunition?

Answer

1 . Treatment failure/drug resistance: After treatment patient 1s considered cured 1f he/she does not have fever or parasiterma till day 28

Early treatment failure (ETF)

Development of danger signs or severe malaria on day 1, 2 or 3, in the presence of parasiterma, parasitenua on day 2 higher than on day 0, irrespective of axillary temperature; parasitemia on day 3 with axillary temperature <37.5°C; and parasitemia on day 3—25% of count on day 0

Late clinical failure (LCF)

Development of danger signs or severe malaria in the presence of parasitemia on any day between day 4 and day 28 (day 42) in patients who did not previously meet any of the criteria of early treatment failure; and presence of parasitemia on any day between day 4 and day 28 (day 42) with axillary temperature <37.5°C in patients who did not previously meet any of the criteria of early treatment failure.

Late parasitological failure (LPF)

Presence of parasitemia on any day between day 7 and day 28 with axillary temperature <37.5°C in patents who did not previously meet any of the criteria of early treatment failure or late clinical failure.

Premunition: In an endemic area there is less production of cytokines for a given dose of parasite; Person protected from severe illness.

images/MNJ-P-OSCE 23. Infectious disease_page_19_Picture_2.jpeg


MNJ23-007

  1. Name the drugs used for chronic Hep B infection.
  2. Favorable predictors for treatment of chrome HBV.
  3. What are the end points for therapy?

Answer

  1. Hep B infection—INF-α 2b and lamivudine

MNJ23-008

  1. Management plan for acute HBV contact (intimate contacts only) in children.
  2. Management plan for Hep B prophylaxis ina patient of nephrotic syndrome on hemodialysis.

Answer

  1. Vaccine (10 μg) at 0, 1, 6 months + Ig 0.06 ml/kg.

MNJ23-009

  1. Give criteria to define polio eradication in an area.
  2. Whatis the incidence of VAPP after 1st dose?
  3. Whatis the effectiveness of IPV vaccine after 3 doses (8 weeks apart)?

Answer

  1. No case of paralytic polio due to wild virus in last 3 years Routine vaccination coverage should be ≥80%. A good serological and clinical surveillance system. Certification by WHO (not needed nowadays).

MNJ23-010

  1. Give the WHO definition of a confirmed case of Japanese encephalitis
  2. Name of the agent who transmits disease in India (MC agent/agents).
  3. Name of the sign which if present on MRI clinches the diagnosis.
  4. What 1s the most probable diagnosis?
  5. Give its stages.
  6. Diagnostic modalities.

Answer

No model answer in source material.


MNJ23-011
A 2-year-old male child presented to emergency department with complaints of low grade fever for last 2-3 weeks, headache and vomiting for last 2 weeks, spillage of milk while drinking for the last 1 week and altered sensorium with focal seizures of left half of body at the time of admission. The only past history that is found is a follow-up case of cyanotic CHD (operated at 3 months of age), rest everything is normal:

  1. What is the most probable diagnosis?
  2. What is the etiological agent expected?
  3. Diagnostic modalities.
  4. Imtal treatment
  5. Indications for surgical interventions

Answer

  1. Brain abscess

Ans. 13. • If results of VZIG are available within 72 hours

Ans. 14. 1


MNJ23-012
Plan antiretroviral therapy regimen for a 3-year-old child who has recently been diagnosed with HIV infection with complaints of failure to thrive, hepatomegaly, thrombocytopenia, CD4 <25% and viral load 10° copies/ml:

  1. Write the drug regimen, dosage.
  2. What are the tests to be ordered prior to initiation and after 15-30 days of treatment?

Answer

No model answer in source material.


MNJ23-013
Mark True/False regarding osteomyelitis statements:

  1. Staph aureus is the most common organism
  2. The ESR and CRP are usually elevated
  3. Blood cultures are positive in over 75% of all cases of osteomyelitis
  4. Plain films of bone may be normal in the first 1-2 weeks of the course
  5. Treatment usually requires a total tme of antibiotics (IV and PO) is 4-6 weeks.

Answer

.lrue, 2 True, 3.True, 4.True, 5. True


MNJ23-014
A 15-year-old female presents with fever for past 24 hours. Feveris high grade associated with sweating. For past 2 hours patient is complaining of ghabrahat, chakkar, headache, vomiting. On examination—toxic looking, drowsy with Glasgow Coma Scale of 10. Blood pressure systolic: 70 mm Hg, pulse rate: 140 min, capillary refill time: 4 seconds, RR: 30/min. There is rash (petechial) over abdomen, limbs:

images/MNJ-P-OSCE 23. Infectious disease_page_8_Picture_12.jpeg

  1. Probable diagnosis of this given condition.
  2. First step in management other than airway and breathing.
  3. What class of antibiotic you would like to give to this patient?

Answer

Meningococcemia


MNJ23-015
A9-day-old male child Raju was brought to your clinic with complaints of difficulty in feeding, crying excessively, and seizure. Parents of baby were labourers by occupation. Mother had not received any ANC care. Baby was born at home, had moderate cry, was well till day 8. AF—at level, sutures—normal. Tone—increased in all 4 limbs with neck retraction, intermittent seizures, worsened with stimulus:

images/MNJ-P-OSCE 23. Infectious disease_page_8_Picture_18.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_9_Picture_2.jpeg

  1. Whats the diagnosis of this baby?
  2. Whats the treatment?
  3. Whats the usual cause of death in this condition?
  4. What are the various types?

Answer

Neonatal tetanus


MNJ23-016
A10-year-old child Rohan came to you with complaints of fever for 5 days and bodyache and decrease oral intake. Mother notice small water filled lesion on trunk and back:

images/MNJ-P-OSCE 23. Infectious disease_page_9_Picture_7.jpeg

  1. Whats the diagnosis of this given condition?
  2. Name three complications can be occur in this child.
  3. What is the penod of infectivity?

Answer

Chickenpox


MNJ23-017
A 2-year-girl Neha presents with severe pruritus especially during night and after taking bath with warm water. Pruritus is most significant in web spaces of hands and toes. Her family member also complaining:

images/MNJ-P-OSCE 23. Infectious disease_page_9_Picture_13.jpeg

  1. Diagnosis of this given condition
  2. What is causative organism?
  3. What is topical treatment?
  4. Whats oral treatment?

Answer

Scabies


MNJ23-018
A health care worker is reported with percutaneous scratch with a solid needle contaminated with blood of a patient with primary HIV infection and a low CD4 count:

images/MNJ-P-OSCE 23. Infectious disease_page_10_Picture_1.jpeg

  1. Whatis the recommended regimen of post-exposure prophylaxis? Drugs, dose and duration of treatment.
  2. Which 1s the test at which HIV testing and counseling are done?

Answer

Expanded regime


MNJ23-019
A 4-year-old boy Amir came with fever 10 days, cough, pain at lower back and this clinical finding of lesion in armpit area:

images/MNJ-P-OSCE 23. Infectious disease_page_10_Picture_9.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_10_Picture_10.jpeg

  1. Describe the lesion given in this image.
  2. What is the diagnosis of this condition?
  3. What is causative organism?
  4. This disease is transmitted by
  5. Write down any 3 complications.
  6. Write down two treatment available.

Answer

, Diagnosis: Eschar in scrub typhus


MNJ23-020
A 10-year-old boy Karzan Khan who has presented with fatigue, fever, and malaise of 8 days in duration. On examination, he has generalized lymphadenopathy, splenomegaly and hepatomegaly. His throat examination and PBF shown below:

images/MNJ-P-OSCE 23. Infectious disease_page_10_Picture_17.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_10_Picture_18.jpeg

  1. Describe the main features in each image.
  2. What is the diagnosis this condition?
  3. Write 3 complications that may occur in future.
  4. What medication is contraindicated in this disease?
  5. What is the treatment available?

Answer

Pee & Picture 1 shows tonsillihs with membrane formaton, picture 2 shows atypical mononuclear cells which are enlarged with irregular nuclei and basophilic pleomorphic cytoplasm

images/MNJ-P-OSCE 23. Infectious disease_page_21_Picture_2.jpeg


MNJ23-021
A12-year-old boy Dharmender, developed throat pain two days back. He returned with his elder sister from his boarding school in Tripura to Kolkata. His temperature was 36°C. Heart rate and blood pressure was normal. He had also developed a rash and his swab grew the following:

images/MNJ-P-OSCE 23. Infectious disease_page_11_Picture_7.jpeg

  1. Diagnosis of this condition.
  2. Drug treatment and dose.
  3. What treatment you will advise for his sister?
  4. How to protect against this condition?

Answer

No model answer in source material.


MNJ23-022

images/MNJ-P-OSCE 23. Infectious disease_page_11_Picture_11.jpeg

  1. Identify the rash seen in image of a 10-year-old child

Answer

, 1. Erythema marginatum

Ans. 25. Image A:

Image B:


MNJ23-023
Two children A and B came to your clinic complaints of rash over perianal area, child A is 20 days old and always wear diper but mother of child B uses diper only in night time. Give diagnosis of A and B:

See the papule

images/MNJ-P-OSCE 23. Infectious disease_page_12_Picture_2.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_12_Picture_3.jpeg

Answer

No model answer in source material.


MNJ23-024
A 9-year-girl Kareena Sharma on long-term steroids and mycophenolate mofetil presents with acute onset cough, breathlessness and tremulousness. Evaluation reveals normal temp, 5pO,: 90% on room air; no rales or rhonchi on auscultation:

images/MNJ-P-OSCE 23. Infectious disease_page_12_Picture_10.jpeg

  1. Whats the most likely diagnosis?
  2. Whatis the likely finding in chest X-ray?
  3. Which 1s best for diagnosis?
  4. Name 2 stains for confirming the etiology.

Answer

No model answer in source material.


MNJ23-025
A 9-year-old child Akshay came to you with these lesion over face, eyes, lips that was progressed in last 3 days, before that he was on antibiotic treatment for cough and cold and suddenly he developed these lesions:

images/MNJ-P-OSCE 23. Infectious disease_page_12_Picture_12.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_13_Picture_2.jpeg

  1. Diagnosis of this condition.
  2. Describe the lesion shown 1n the figure.
  3. Causes: Two infections /two drugs.
  4. Management plan of this condition.
  5. Name two complications.

Answer

No model answer in source material.


MNJ23-026
A 4-year-old child came to you with complaints of fever with rash on face with:

images/MNJ-P-OSCE 23. Infectious disease_page_13_Picture_15.jpeg

  1. What 1s the diagnosis?
  2. What is the causative orgarism?
  3. Name one serious hematological complication in this disease
  4. Name one orthopedic complication.
  5. Name one cause for intrauterme fetal demuse.
  6. What treatment is recommended for severe hematological complications?

Answer

  1. Erythema infection or fifth disease

MNJ23-027
A 6-year-old female child Rani came to your clinic with her mother to concern about the red lesions on her shin area and mother told that these lesions are tender:

images/MNJ-P-OSCE 23. Infectious disease_page_13_Picture_20.jpeg

  1. What 1s the diagnosis?
  2. What 2 common infections and drugs can trigger this?
  3. What 2 non-infectious systemic disorders can trigger this?

Answer

No model answer in source material.


MNJ23-028

images/MNJ-P-OSCE 23. Infectious disease_page_14_Picture_9.jpeg

  1. Identify this.
  2. What 1s the route of entry of this organism?
  3. Name 2 conditions that are high-risk for this infection.
  4. What hematological clue will occur?
  5. Drug of chaice.
  6. One complication

Answer

No model answer in source material.


MNJ23-029
A17-month-old irritable child had high grade fever for 6 days and redness over palm and sole. She also has redness over eyes:

images/MNJ-P-OSCE 23. Infectious disease_page_14_Picture_13.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_14_Picture_14.jpeg

  1. Whats the most probable diagnosis of this condition?
  2. What are the predictors of severity of this disease?

Answer

  1. Strawberry tongue and conjunctival congestion.

Kawasaki disease


MNJ23-030
Match the organism with the condition associated:

images/MNJ-P-OSCE 23. Infectious disease_page_15_Picture_2.jpeg

  1. Mehodosis a HHV-8
  2. Oroya fever c Corona virus
  3. Pontiac fever b Coxsackievirus
  4. Swimmung pool granuloma d_ Bartonella bacillifomis
  5. Ecthyma gangrenosum f Aspergillus fumigatus
  6. Kaposi sarcoma
  7. Bornholm disease e Treponema pallidum
  8. Condyloma lata g Mycobacterium marinum
  9. Malt workers lung h. Pseudomonas aeruginosa
  10. SARS 1. Burkholderia pseudomallei

Answer

ok 2} bad te BD BE Fe BE Big Thea


MNJ23-031
HIV infection in newborn:

  1. Another baby born of HIV +ve mother tests negative for PCR at 48 hrs but PCR turned positive within 7-90 days What does it imply?
  2. How early can P24 antigen test be done?
  3. After what age 1s HIV ELISA considered the best test for diagnosis and what is its sensitivity and specificity.

Answer

. Itimplies in utero infection and rapidly progressive disease


MNJ23-032

images/MNJ-P-OSCE 23. Infectious disease_page_15_Picture_32.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_16_Picture_2.jpeg

  1. blood agar media
    v. LV set
    1. Identify the organism.
      i. What is treatment?

Answer

  1. i yellow/red

MNJ23-033

images/MNJ-P-OSCE 23. Infectious disease_page_16_Picture_6.jpeg

  1. Diagnose the condition in a¥ days old child.
  2. What are complications of this (write any 4 systems)

Answer

  1. Neonatal varicella

CNS: Encephalitis, transverse myelitis, GBS

Liver- Reye syndrome, hepatitis

Eyes: Keratitis


MNJ23-034
Three-year-old boy sachin presented to you with complaints of with fever, drooling, stridor, respiratory distress. Child look toxic on examination.

images/MNJ-P-OSCE 23. Infectious disease_page_16_Picture_11.jpeg
images/MNJ-P-OSCE 23. Infectious disease_page_17_Picture_2.jpeg

  1. Whats X-ray finding?
  2. Whats possible diagnosis?
  3. What 1s treatment?

Answer

  1. X-ray suggestive of soft tissue swelling of retropharangeal area

MNJ23-035
An 18-month-old kid presented to OPD with complaints of high fever, cough and intense irritation. On examination you found red throat along. When you examine the ear with otoscope you observe this picture.

images/MNJ-P-OSCE 23. Infectious disease_page_17_Picture_8.jpeg

  1. What are the finding in ear picture with otoscope? (any 2)
  2. What 1s the diagnosis on the basis of history and otoscope findings?
  3. What 1s pathogenesis behind this?
  4. What are risk factors for this in babies 6 years or younger?

Answer

No model answer in source material.


MNJ23-036
A female neonate after normal delivery developed respiratory distress after birth and final diagnosis of PPHN (persistent pulmonary hypertension of neonates) was made after ECHO and treated with iNo and HFO ventilator. He was extubated at day 4 and commenced on oral feeds. She developed progressive jaundice at day 10 of life. Other examination include broad forehead, pointed nose, deep set eyes and soft systolic murmur and hepatospenomegaly.

  1. Whats the possible diagnosis?
  2. What are differential diagnoses?
  3. What test you will process in this child?
  4. At what deficiency is this child at risk and how will you prevent that.

Answer

No model answer in source material.