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. crying during urination. bacteriuria pyruria - rec episodes
After 6m; breast mild provides iron until 6m.
Imaging study to r/o VUR
Angulation in forward bending think about structural problem; will not be corrected on its own; tx milwakee brace
Atypical lymphocyte

2. sickle cell with symmetrical swelling of hands and feet
Epiglotitis by H influenze; inflammartory edema of the epiglottis that impinges airway--resp arrest; dx clinical; tx relieve obstruction - intubate
Neonatal chlamydia; time after birth important. develops 3-10 week after delivery
Vaso-occlusive crisis; dx hb electrophoresis
INH 9m if INH resistant rifampin 6m in children and 4m in adults

3. thumb sign
Neurofibromatosis type2
Feeding prob; milk protein intolerance; errors in metabolism; infection; CF GERD; RTA
Epiglotitis; staph - HiB tx: ceftriaxone/cefotaxime
Congenital rubella syndrome

4. dx of lyme
Mainly clinical; serology with initial ELISA - with western blot confirmation;
Bartonella henselae; complication is suppuration of lymph node
Absence seizure; tx ethosuximide
Decresed visio - sudden onset - seeing halos around light - headache - eye pain

5. failure to thrive
R/o serious disorder; Hirschprug's disease; CF - hypothyroidism; then tx MgOH
HSP - look for symmetric skin lesions
Feeding prob; milk protein intolerance; errors in metabolism; infection; CF GERD; RTA
Less than 5th percentile

6. microcytic - hypochromic anemia - hepatospelnomegaly
At least 5 of 9 symptoms: DIGFAST depressed mood - insomnia - guilt - f - anhedonia - suicidal ideation -
Thalassemia - congenital hemolytic anemia
>1yr ; heimlich maneuver-series of 5 abdominal thrust with child sitting/standing; <1yr blows on the back with heel of hand alternating with chest thrust
Middle ear effusion persists 3 m after OM; if no symptoms - just watch - if symptoms add another abx. if no improvement tympanocenesis/myringotomy

7. cyring/laughing for no reason - restless - distracted - distal hand and foot movemnets -facial grimacing
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
At least 5 of 9 symptoms: DIGFAST depressed mood - insomnia - guilt - f - anhedonia - suicidal ideation -
Spores of c boutlium; colonizes in GI tract; release neurotoxin which blocks presynaptic cholinergic transmission; dysfunction of skeletal and smooth muscles
SCFE - stable-if patient can bear weight; unstable-if cannot ambulate; complications avascular necrosis; dx xray tx immediate int fixaton

8. is local anesthetics be used in cellulitis to reduce pain
No; they are basic compound will be neutralized in an acidic environment of cellulitis
Vaso-occlusive crisis; dx hb electrophoresis
9-18yrs; 1300 mg; 19-50;l 1000mg; >50 1200mng
Constitutional pubertal delay

9. cardiac manifestation of turner
Foreign body sensation - photophobia - corneal opacity tx abx
12 month; inh - rifampin - pyrizinamide for 2m and inh and rifampin for 12m; may be continued to 18-24m based on response
Imaging study to r/o VUR
Coarcation - bicuspic aortic valve - mitral prolapse - hypoplastic heart

10. barking cough - inspiratory stridor - hoarsenes - p/w few days after URI
If aortic root reaches 45 mm
Tonsilar exudate - tender cervical nodes - fever - no cough/nasal dischr (suggest viral inf)
Croup; hx coughx2-3d - gradual onset; high fever; barking cough; <3y; epiglotitis; sudden onset; stridor; >3y
Croup

11. irritable - aggressive - nervous - unable to sleep - dilaed pupil - mouth dry - on methylephenidate
Prednisone/methyleprednison; IVIG - chronic ITP-spelenctomy
Methylephenidate toxicity; cannot be stopped abruptly; taper
Imaging study to r/o VUR
Erb's palsy; upper roots of brachial plexus injury (c5 -c6 - c7; complication diaphragmatic paralysis; 80% recovery

12. How to prevent GBS in neonate
GERD - try thickened formula if no improvement - H2 antagonists - last resort surgery
Penicillin G 4h before delivery
2wk to 6 months p/w poor feeding - hypotonia - weakness - loss of DTR; soucee raw honey and soil - canned food
After 6m; breast mild provides iron until 6m.

13. lens dislocation
Croup; hx coughx2-3d - gradual onset; high fever; barking cough; <3y; epiglotitis; sudden onset; stridor; >3y
Marfans - ehlers danlos - homocystinuria
Candidal diapar rash; tx clotrimazol
1.5%

14. difference between rubeola (measles) and rulbella
Rash distribution same; measles-3C - cough - conjunctivitis - coryza; koplik spot; rubell; LG fever. lymphadenopahty - tx; self limiting
HSP - look for symmetric skin lesions
Pipercillin (zosyn) - ticarcillin
Candidal diapar rash; tx clotrimazol

15. difference between diaper dermatitis and rash
Lateral neck xray in epiglottitis show swollen epiglottis
Herpes
If <7 reassure parents; use alarms - desmopressin and tricyclics less effective than alarms
Rash involves crural folds - has hx of antibiotic tx - due to decrease in normal bact flora - tx clotrimazaol; dermatitis; opposite - no hx abx; tx zinc oxide

16. adenovirus
Current moderate of severe fever; anaphylaxis to gelatin/neomycin; immunodeficiency(hiv - chemo); thrombocytopenia; recent administration of immunoglobulin (can diminish efficacy); preganancy
URI
24h to 7d of birth
Marfans - ehlers danlos - homocystinuria

17. the risk of lyme after bitten by a tick
1.5%
Candidal diapar rash; tx clotrimazol
Swimmer's ear; due to decrease canal acidity and bacterial overgrowth; pseudmonas
Imaging study to r/o VUR

18. how thalassemia die
Iron overload from excessive transfusion and ineffective hematopoisis; many raw material but no products
Female - breech delivery - family history; tx referral to ortho
Fluoroqunoloes to kill pseudmonas which is a common pathogen in these patients
Less than 5th percentile

19. How to investigate delayed puberty
Swimmer's ear; due to decrease canal acidity and bacterial overgrowth; pseudmonas
At first imaging test to dx bone age; if normal do testing to r/o chromosomal or endocrine abnormality
Feeding prob; milk protein intolerance; errors in metabolism; infection; CF GERD; RTA
Splenic sequestraion crisis - aplastic crisis - hyperhemolytic crisis

20. Neonatal unconjugated hyperbilirubine
Caput crosses suture line; caput has color (echymotic); caput clears early (within weeks versus several months in cephalo)
Herpes
Coarcation - bicuspic aortic valve - mitral prolapse - hypoplastic heart
Decreased UGT enzyme

21. patient with white plaques in mouth and lump in back
Do HIV testing at first
Iron overload from excessive transfusion and ineffective hematopoisis; many raw material but no products
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
Rash involves crural folds - has hx of antibiotic tx - due to decrease in normal bact flora - tx clotrimazaol; dermatitis; opposite - no hx abx; tx zinc oxide

22. acute abd pain - hx URI - lower extremity maculo papular rash
Medical emergency; dimercaprol/edta
1.5%
Absence of puberty sign by 14yrs; testicle <2.5cm dm;
HSP - look for symmetric skin lesions

23. Parents can _____ vaccine
Medical emergency; dimercaprol/edta
refuse
Erythromycin ointment - sulfa drops - polymyxin /trimethoprim drops
At first imaging test to dx bone age; if normal do testing to r/o chromosomal or endocrine abnormality

24. tuberous sclerosis
Hypopigmented macule - glial proliferation - organ haramtomas/cysts
Biliary atresia; tx surgery
Fifth disease; febrile syndrome
Tx with antipseudomnal abx; ticar/piper plus tobra or fourth gen cephalosporin ceftazidime - cefepime or carbapenem (imi/ mero)

25. What is the definition of delayed puberty?
Current moderate of severe fever; anaphylaxis to gelatin/neomycin; immunodeficiency(hiv - chemo); thrombocytopenia; recent administration of immunoglobulin (can diminish efficacy); preganancy
Benign permature thelarche; expectant management
Lateral neck xray in epiglottitis show swollen epiglottis
Absence of puberty sign by 14yrs; testicle <2.5cm dm;

26. How to difference RSV and neonatal chlamydia
No wheezing - no feever in chlamydia
Evaluate other developmental delay (microcephaly - lead poisoing) screen for eye prob and audiometry
Fifth disease; febrile syndrome
Between pregnenolone and 17oh pregnenolone

27. When to give hpv vaccien
Neonatal chlamydia; time after birth important. develops 3-10 week after delivery
If <7 reassure parents; use alarms - desmopressin and tricyclics less effective than alarms
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
Caput crosses suture line; caput has color (echymotic); caput clears early (within weeks versus several months in cephalo)

28. echymoses with low platelet <30k
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)
Benign permature thelarche; expectant management
Meconeum ileus; think about CF
Prednisone/methyleprednison; IVIG - chronic ITP-spelenctomy

29. tzanck
GERD - try thickened formula if no improvement - H2 antagonists - last resort surgery
Bacterial: sudden onset - high fever - cxr consolidation. viral; gradual onset - diffuse bilat infhiltrate tx; bact-amoxi;
Herpes
After 24h of abx therapy

30. sudden onset of fever - difficulty in breathing
Order CK to r/o muscular dystrphies; duchene- defect in dystrophin gene; 10-20 times increased serum CK; LDH and aldolase also hight; dx electromyograpy and bx
Croup tx cool mist; racemic epi - corticosteroid
Epiglotitis by H influenze; inflammartory edema of the epiglottis that impinges airway--resp arrest; dx clinical; tx relieve obstruction - intubate
Marfans - ehlers danlos - homocystinuria

31. what conditions are not contraindicated
Hypopigmented macule - glial proliferation - organ haramtomas/cysts
TB - breastfeeding - asymptomatic hiv
Strep pneumonie; moraxella; h influenze
No intervention; 90% foreign bodies pass without difficulty

32. benefits of antibiotic therapy in acute pharyngitis?
24-72 hours
Methylephenidate toxicity; cannot be stopped abruptly; taper
Reduction of the severity of symptoms; prevention of rheumatic fever and suppurative complications
Croup

33. nuchal rigidity - fever - sore throat - headache - dioriented
TB - breastfeeding - asymptomatic hiv
Viral meningitis/encephalitis caused by arbovirus children; HSV in adults
Congenital rubella syndrome
Transient synovitis or toxic synovitis; bilateral effusion; preceded by URI -

34. hypopigmented spots - family hx bilat deafness
<44 - CBC - Electrolyte - and urinanlysis; if >44 oral chelation; >70 hospitalization and parenteral chelation
Rapid detection of RSV antigen in nasl
Neurofibromatosis type2
Develops in 21 dasy

35. iron supplement in child
Methylephenidate toxicity; cannot be stopped abruptly; taper
Decresed visio - sudden onset - seeing halos around light - headache - eye pain
After 6m; breast mild provides iron until 6m.
50+ vocabulary; 2-3 word phrases; follow 2 step command; if delayed do audiometry

36. What is earliest sign of puberty?
Oral DMSA or EDTA IV
Nocturnal increase of LH; then daytime increase of gonadotrophin/testosteron; physical exam enlargement of testes
Thrombocytopeni - micorangiopathic hemolytic anemia - neurolotgical signs - RF - fever ; p/w PPPP pallor - petechia - pever - pailure tx plasmpheresis
Mainly clinical; serology with initial ELISA - with western blot confirmation;

37. language delay
Biliary atresia; tx surgery
110 kcl/kg/day
Evaluate other developmental delay (microcephaly - lead poisoing) screen for eye prob and audiometry
INH 9m if INH resistant rifampin 6m in children and 4m in adults

38. tick transmits RMSF
Rash distribution same; measles-3C - cough - conjunctivitis - coryza; koplik spot; rubell; LG fever. lymphadenopahty - tx; self limiting
Dx US tx; correct serum electrolyte - pyloromyotom
Black
Atopic dermatitis; strong allergic/immunologic component; incr IgE

39. association with infantile pyloric stenosis
Decr calorie intake; decr calorie absorption;incr calorie demand
Erythromycin (used for pertusis prophylaxis) or macrolides in breastfeeding child
Parvovirus B19 infection---failure of erythropoisis---no reticulocytes
Pho for forward bending; forward defect; common finding has no adverse physical effect

40. 21 hydroxylase
Strep pneumonie; moraxella; h influenze
Between progesteron/170h progestreon adn dexoxycorticosteron/17OH corticosterone
Faciform RBC cause vascular occlusion
>1yr ; heimlich maneuver-series of 5 abdominal thrust with child sitting/standing; <1yr blows on the back with heel of hand alternating with chest thrust

41. Tx of FTT
If aortic root reaches 45 mm
Diet modification to provide 110kc/kg/d
Biliary atresia; tx surgery
Methylephenidate toxicity; cannot be stopped abruptly; taper

42. can women with abnormal smear or genital get vaccine
Foreign body sensation - photophobia - corneal opacity tx abx
Parvovirus B19 infection---failure of erythropoisis---no reticulocytes
Yes; but it will be less effective
Between pregnenolone and 17oh pregnenolone

43. down syndrome has inreased risk of developing
Refeeding syndrome; edema and heart failure; severe hypophosphatemia tx iv phosophate
URI
TB - breastfeeding - asymptomatic hiv
ALL - alzheimers autism adhd depression seizure

44. cleft lip but no cleft palate
Methylephenidate toxicity; cannot be stopped abruptly; taper
Decresed visio - sudden onset - seeing halos around light - headache - eye pain
Herpes
Use of teratogenic agents like alcohol during pregnancy; reconstruction at 3m; rule of 10; 10ib - 10w and 10g hb

45. most common complication of otitis media
Foreign body sensation - photophobia - corneal opacity tx abx
Methylephenidate toxicity; cannot be stopped abruptly; taper
Another episode of otitis media; children more than 2 episodes have inc risk; other compli acute mastoiditis
Pneurmocystis; TMP-SMZ IV doc. if intolerant pentamidine or atovaquone

46. Tx of community acquired pneumonia
Bugs; strep pneumonia - mycoplasma; give ceftriaxone and azithro
Current moderate of severe fever; anaphylaxis to gelatin/neomycin; immunodeficiency(hiv - chemo); thrombocytopenia; recent administration of immunoglobulin (can diminish efficacy); preganancy
No myoclonic activity in JME
Benign permature thelarche; expectant management

47. how smoking contributes otitis media in children
Smoking alters mucosa - cilia - adenoid structure - make children susceptible to infection
Thalassemia - congenital hemolytic anemia
Central isosexual precocious puberty; hypothalmaic hamartoma
9-18yrs; 1300 mg; 19-50;l 1000mg; >50 1200mng

48. dx for DDH
US and barlow test: attempt to dislocated unstable hip; sometimes make clunking sound;
Injury to lower roots of brachial plexus
Transient synovitis or toxic synovitis; bilateral effusion; preceded by URI -
Smoking alters mucosa - cilia - adenoid structure - make children susceptible to infection

49. decreased mobility of tympanic membrane after otitis media
Middle ear effusion persists 3 m after OM; if no symptoms - just watch - if symptoms add another abx. if no improvement tympanocenesis/myringotomy
Congenital rubella syndrome
ALL - alzheimers autism adhd depression seizure
US and barlow test: attempt to dislocated unstable hip; sometimes make clunking sound;

50. contact lens keratitis
Coarcation - bicuspic aortic valve - mitral prolapse - hypoplastic heart
Facial portwine stain
Fluoroqunoloes to kill pseudmonas which is a common pathogen in these patients
Congenital rubella syndrome

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