Test your basic knowledge |

USMLE Step3 Pediatrics

Subjects : health-sciences, usmle-step-3

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. 12y - obese - hip pain - hip ext rotated
Penicillin G 4h before delivery
Transient synovitis or toxic synovitis; bilateral effusion; preceded by URI -
Atypical lymphocyte
SCFE - stable-if patient can bear weight; unstable-if cannot ambulate; complications avascular necrosis; dx xray tx immediate int fixaton

2. infant botulism
Bact: staph - strep - moraxell - h influenzae; eye redness - mucopurulent disch - thick - viral/allergic: adnovirus - asso with fever - URI - watery disch - severe bacterial infection lead to keratitis
Sydenhams chorea - 1-8m after rheumatic fever; may not recall h/o sore throat; tx oral penicillinX10d if allergic erythromycin; prophylaxis until adulthood; if motor function severely compromised - give haloperidol - valproic - phenobarbital
Yes; but it will be less effective
2wk to 6 months p/w poor feeding - hypotonia - weakness - loss of DTR; soucee raw honey and soil - canned food

3. How to dx endopthalmitis
Candidal diapar rash; tx clotrimazol
Infection in aqueus and vitreous humors; posttraumatic - postcataract surgery;
24-72 hours
Bladder dysfunction; UTI and renal dysfunctoin

4. cat scratch disease
Bartonella henselae; complication is suppuration of lymph node
Use of teratogenic agents like alcohol during pregnancy; reconstruction at 3m; rule of 10; 10ib - 10w and 10g hb
Anaphylaxis or encephalopathy within 7d of administration; temporary contraindications moderate to severe illness
Pipercillin (zosyn) - ticarcillin

5. kallman syndrome
Absence seizure/epilepsy: normal EEG - no myoclonic activity; prognosis good if no generalized seiure
Anaphylaxis or encephalopathy within 7d of administration; temporary contraindications moderate to severe illness
Fluoroqunoloes to kill pseudmonas which is a common pathogen in these patients
Anosmia and hypogonadotropic hypogonadism; genetic defect; defective migration of GnRH secreting and olfactory neurons to their final destination

6. sturge weber syndrome
Facial portwine stain
Definitive karyotype; echo for cardiac - tsh for hypothyroid; and renal US to eval horshoe kidney; visual and hearing assessment
Constitutional pubertal delay
At least 5 of 9 symptoms: DIGFAST depressed mood - insomnia - guilt - f - anhedonia - suicidal ideation -

7. down syndrome with holocystolic mumur
Marfans - ehlers danlos - homocystinuria
Pho for forward bending; forward defect; common finding has no adverse physical effect
Endocardial cushion defect (no separation between heart chambers)
Cafe au lait spot - fibrous dysplasia of bone; excessive production of estrogen from ovarian cysts

8. can women with abnormal smear or genital get vaccine
Yes; but it will be less effective
Injury to b/l glossopharyngeal. present in botulism
Medical emergency; dimercaprol/edta
Benign permature thelarche; expectant management

9. When erythema chronicum migrans develops after tick bite
Black
24-72 hours
Increase of progesteron/17oh progesterone
Foreign body sensation - photophobia - corneal opacity tx abx

10. centor criteria for bact pharyngitis
Tonsilar exudate - tender cervical nodes - fever - no cough/nasal dischr (suggest viral inf)
Sydenhams chorea - 1-8m after rheumatic fever; may not recall h/o sore throat; tx oral penicillinX10d if allergic erythromycin; prophylaxis until adulthood; if motor function severely compromised - give haloperidol - valproic - phenobarbital
Croup
Parvovirus B19 infection---failure of erythropoisis---no reticulocytes

11. the recommended ca supplementation
9-18yrs; 1300 mg; 19-50;l 1000mg; >50 1200mng
Swimmer's ear; due to decrease canal acidity and bacterial overgrowth; pseudmonas
Vaso-occlusive crisis; dx hb electrophoresis
Middle ear effusion persists 3 m after OM; if no symptoms - just watch - if symptoms add another abx. if no improvement tympanocenesis/myringotomy

12. Parvovirus
Another episode of otitis media; children more than 2 episodes have inc risk; other compli acute mastoiditis
Fifth disease; febrile syndrome
Endocardial cushion defect (no separation between heart chambers)
Bartonella henselae; complication is suppuration of lymph node

13. thumb sign
Dx US tx; correct serum electrolyte - pyloromyotom
Epiglotitis; staph - HiB tx: ceftriaxone/cefotaxime
Foreign body sensation - photophobia - corneal opacity tx abx
Brown

14. language expectation from 2yo
50+ vocabulary; 2-3 word phrases; follow 2 step command; if delayed do audiometry
Transmits thought sneezing -coughling - singing - speaking by microscopic aerosol containg the organism; keep patient in resp isoloation until non-infectious (3 sputum acid fast smear negative)
Hx hearing loss - meningitis - recurrent or persisten OM >3m - IU infection - ototoxic meds
Fifth disease; febrile syndrome

15. Tx of FTT
Female - breech delivery - family history; tx referral to ortho
R/o serious disorder; Hirschprug's disease; CF - hypothyroidism; then tx MgOH
Diet modification to provide 110kc/kg/d
<44 - CBC - Electrolyte - and urinanlysis; if >44 oral chelation; >70 hospitalization and parenteral chelation

16. Infant with serum billlirubin >25
Risk of neurological dysfunction
Mainly clinical; serology with initial ELISA - with western blot confirmation;
Transient synovitis or toxic synovitis; bilateral effusion; preceded by URI -
Use of teratogenic agents like alcohol during pregnancy; reconstruction at 3m; rule of 10; 10ib - 10w and 10g hb

17. causes of FTT
24-72 hours
Feeding jauding due to lack of feeding; 1st week; tx support; milk jaundice due to milk; afer 7d; lack of glucoronidase; incre unconjugate biill tx; interrupt feeding resume
Feeding prob; milk protein intolerance; errors in metabolism; infection; CF GERD; RTA
Injury to lower roots of brachial plexus

18. tuberous sclerosis
No reticulocyte vs high reticulocyte
At first imaging test to dx bone age; if normal do testing to r/o chromosomal or endocrine abnormality
Angulation in forward bending think about structural problem; will not be corrected on its own; tx milwakee brace
Hypopigmented macule - glial proliferation - organ haramtomas/cysts

19. pavlik harness
To make hip flexed and abducted position in DDH
Infection in aqueus and vitreous humors; posttraumatic - postcataract surgery;
Rapid detection of RSV antigen in nasl
Anosmia and hypogonadotropic hypogonadism; genetic defect; defective migration of GnRH secreting and olfactory neurons to their final destination

20. when bact conjunctivitis patient can go back to school
Swimmer's ear; due to decrease canal acidity and bacterial overgrowth; pseudmonas
Decreases height - expensive; reserved for severe cases of delayed puberty
After 24h of abx therapy
50+ vocabulary; 2-3 word phrases; follow 2 step command; if delayed do audiometry

21. mcCune albright`
Epiglotitis by H influenze; inflammartory edema of the epiglottis that impinges airway--resp arrest; dx clinical; tx relieve obstruction - intubate
Brown
Cafe au lait spot - fibrous dysplasia of bone; excessive production of estrogen from ovarian cysts
Decreased UGT enzyme

22. infantile hypertrophic pyloric stenosis
No; they are basic compound will be neutralized in an acidic environment of cellulitis
Oral DMSA or EDTA IV
Dx US tx; correct serum electrolyte - pyloromyotom
Absence seizure/epilepsy: normal EEG - no myoclonic activity; prognosis good if no generalized seiure

23. what conditions are not contraindicated
Black
Fifth disease; febrile syndrome
Vaso-occlusive crisis; dx hb electrophoresis
TB - breastfeeding - asymptomatic hiv

24. Tx of bact conjunctivitis
Mainly clinical; serology with initial ELISA - with western blot confirmation;
Erythromycin ointment - sulfa drops - polymyxin /trimethoprim drops
Bacterial: sudden onset - high fever - cxr consolidation. viral; gradual onset - diffuse bilat infhiltrate tx; bact-amoxi;
No; they are basic compound will be neutralized in an acidic environment of cellulitis

25. spitting up - vomiting at night - weight stable
GERD - try thickened formula if no improvement - H2 antagonists - last resort surgery
<44 - CBC - Electrolyte - and urinanlysis; if >44 oral chelation; >70 hospitalization and parenteral chelation
Erythromycin ointment - sulfa drops - polymyxin /trimethoprim drops
Refeeding syndrome; edema and heart failure; severe hypophosphatemia tx iv phosophate

26. Tx of children constipation

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

27. sickle cell with symmetrical swelling of hands and feet
Iron overload from excessive transfusion and ineffective hematopoisis; many raw material but no products
Injury to lower roots of brachial plexus
Vaso-occlusive crisis; dx hb electrophoresis
Nocturnal increase of LH; then daytime increase of gonadotrophin/testosteron; physical exam enlargement of testes

28. dx of lyme
Injury to lower roots of brachial plexus
Mainly clinical; serology with initial ELISA - with western blot confirmation;
At first imaging test to dx bone age; if normal do testing to r/o chromosomal or endocrine abnormality
Between pregnenolone and 17oh pregnenolone

29. causes of acute anemia
Splenic sequestraion crisis - aplastic crisis - hyperhemolytic crisis
Vaso-occlusive crisis; dx hb electrophoresis
Biliary atresia; tx surgery
Diet modification to provide 110kc/kg/d

30. decreased mobility of tympanic membrane after otitis media
Herpes
Croup; hx coughx2-3d - gradual onset; high fever; barking cough; <3y; epiglotitis; sudden onset; stridor; >3y
Middle ear effusion persists 3 m after OM; if no symptoms - just watch - if symptoms add another abx. if no improvement tympanocenesis/myringotomy
Erythromycin ointment - sulfa drops - polymyxin /trimethoprim drops

31. How long anti-TB drugs given for TB meningitis?
Female - breech delivery - family history; tx referral to ortho
12 month; inh - rifampin - pyrizinamide for 2m and inh and rifampin for 12m; may be continued to 18-24m based on response
Definitive karyotype; echo for cardiac - tsh for hypothyroid; and renal US to eval horshoe kidney; visual and hearing assessment
Develops in 21 dasy

32. how smoking contributes otitis media in children
Another episode of otitis media; children more than 2 episodes have inc risk; other compli acute mastoiditis
Transmits thought sneezing -coughling - singing - speaking by microscopic aerosol containg the organism; keep patient in resp isoloation until non-infectious (3 sputum acid fast smear negative)
Infection in aqueus and vitreous humors; posttraumatic - postcataract surgery;
Smoking alters mucosa - cilia - adenoid structure - make children susceptible to infection

33. How to difference aplastic vs hyperhemolytic/spleenic sequetratoin crisi
11-12yrs as late as 26yrs; hpv2 and hpv4 against strains 16 and 18 which casuse 70% of cervical ca; not live vaccines; give 0 1 6
Methylephenidate toxicity; cannot be stopped abruptly; taper
No reticulocyte vs high reticulocyte
Sydenhams chorea - 1-8m after rheumatic fever; may not recall h/o sore throat; tx oral penicillinX10d if allergic erythromycin; prophylaxis until adulthood; if motor function severely compromised - give haloperidol - valproic - phenobarbital

34. cyring/laughing for no reason - restless - distracted - distal hand and foot movemnets -facial grimacing
Hypopigmented macule - glial proliferation - organ haramtomas/cysts
12 month; inh - rifampin - pyrizinamide for 2m and inh and rifampin for 12m; may be continued to 18-24m based on response
URI
Sydenhams chorea - 1-8m after rheumatic fever; may not recall h/o sore throat; tx oral penicillinX10d if allergic erythromycin; prophylaxis until adulthood; if motor function severely compromised - give haloperidol - valproic - phenobarbital

35. When to give HRT in turner
14yrs
50+ vocabulary; 2-3 word phrases; follow 2 step command; if delayed do audiometry
<44 - CBC - Electrolyte - and urinanlysis; if >44 oral chelation; >70 hospitalization and parenteral chelation
Current moderate of severe fever; anaphylaxis to gelatin/neomycin; immunodeficiency(hiv - chemo); thrombocytopenia; recent administration of immunoglobulin (can diminish efficacy); preganancy

36. differentiate between central and peripheral precocious puberty
Central-increased androgen - inc GnRH; peripheral-increased androgenq(acne - growth acceleration) dec GnRH (due to feedback)
Absence of puberty sign by 14yrs; testicle <2.5cm dm;
11-12yrs as late as 26yrs; hpv2 and hpv4 against strains 16 and 18 which casuse 70% of cervical ca; not live vaccines; give 0 1 6
36 hours

37. echymoses with low platelet <30k
Faciform RBC cause vascular occlusion
Neurofibromatosis type2
Age<6 - no past h/o afebrile seizure - temp>38 - no cns infection - no metabolic disturbance
Prednisone/methyleprednison; IVIG - chronic ITP-spelenctomy

38. difference between absence seizure and juvenyle myoclonic epilepsy (JME)
D for d; down syndrome and polyhydramnios
No; they are basic compound will be neutralized in an acidic environment of cellulitis
No myoclonic activity in JME
Tx with antipseudomnal abx; ticar/piper plus tobra or fourth gen cephalosporin ceftazidime - cefepime or carbapenem (imi/ mero)

39. difference between rubeola (measles) and rulbella
24-72 hours
Rash distribution same; measles-3C - cough - conjunctivitis - coryza; koplik spot; rubell; LG fever. lymphadenopahty - tx; self limiting
Risk of neurological dysfunction
refuse

40. coin in child's stomach
Less than 5th percentile
refuse
Atopic dermatitis; strong allergic/immunologic component; incr IgE
No intervention; 90% foreign bodies pass without difficulty

41. failure to thrive
Less than 5th percentile
Observe for 48h; look for bacerimia - sepsis - meningitis - ventrculitis
Atypical lymphocyte
Bugs; strep pneumonia - mycoplasma; give ceftriaxone and azithro

42. low grade fever - cough - diffuse bilat ground glass opacities
Fluoroqunoloes to kill pseudmonas which is a common pathogen in these patients
Caput crosses suture line; caput has color (echymotic); caput clears early (within weeks versus several months in cephalo)
Croup; hx coughx2-3d - gradual onset; high fever; barking cough; <3y; epiglotitis; sudden onset; stridor; >3y
Pneurmocystis; TMP-SMZ IV doc. if intolerant pentamidine or atovaquone

43. How to prevent GBS in neonate
To make hip flexed and abducted position in DDH
Neonatal chlamydia; time after birth important. develops 3-10 week after delivery
Female - breech delivery - family history; tx referral to ortho
Penicillin G 4h before delivery

44. 17 alpha hydroxylase
Evaluate other developmental delay (microcephaly - lead poisoing) screen for eye prob and audiometry
Black
Do HIV testing at first
Between pregnenolone and 17oh pregnenolone

45. nuchal rigidity - fever - sore throat - headache - dioriented
Increase of progesteron/17oh progesterone
Pho for forward bending; forward defect; common finding has no adverse physical effect
Viral meningitis/encephalitis caused by arbovirus children; HSV in adults
At least 5 of 9 symptoms: DIGFAST depressed mood - insomnia - guilt - f - anhedonia - suicidal ideation -

46. 21 hydroxylase
9-18yrs; 1300 mg; 19-50;l 1000mg; >50 1200mng
Cholesterol--pregnenolore---->17 Oh pregnenolone--->dehydroepiandosterone - pregnenolone--->progesterone--->dexoycorticosterone->corticosterone--->aldosterone -17 oh pregnenolone--->17 0Hprotesteronee--->cortisol - dehydroepiandosterone--->androstene
Faciform RBC cause vascular occlusion
Between progesteron/170h progestreon adn dexoxycorticosteron/17OH corticosterone

47. lens dislocation
Tonsilar exudate - tender cervical nodes - fever - no cough/nasal dischr (suggest viral inf)
Marfans - ehlers danlos - homocystinuria
24-72 hours
Pho for forward bending; forward defect; common finding has no adverse physical effect

48. Neonatal unconjugated hyperbilirubine
Aferbrile pneumnia - c. trachomatic - mycoplasma - ureasplams - cmv - rsv; look for onset - if 2-19w - can be chlamydia if asso conjunctivitis dx; cx of nasal secretion - chlamydia pcr
Croup; hx coughx2-3d - gradual onset; high fever; barking cough; <3y; epiglotitis; sudden onset; stridor; >3y
Decreased UGT enzyme
To make hip flexed and abducted position in DDH

49. hypopigmented spots - family hx bilat deafness
Yes; but it will be less effective
Neurofibromatosis type2
1.5%
Coarcation - bicuspic aortic valve - mitral prolapse - hypoplastic heart

50. impaired gag reflex
At least 5 of 9 symptoms: DIGFAST depressed mood - insomnia - guilt - f - anhedonia - suicidal ideation -
Injury to b/l glossopharyngeal. present in botulism
Decr calorie intake; decr calorie absorption;incr calorie demand
Absence of puberty sign by 14yrs; testicle <2.5cm dm;

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

USMLE Step3 Pediatrics

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests