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Test your basic knowledge |
USMLE Step 2
Start Test
Study First
Subjects
:
health-sciences
,
usmle-step-2
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. Life - threatening muscle rigidity - fever - and rhabdomyolysis.
Coarctation of the aorta
Weight loss and OCPs
Neuroleptic malignant syndrome
Pregnant women. Treat this group aggressively because of potential complications
2. True or false: Once patients sign a statement giving consent - they must continue treatment.
Hypoparathyroidism
Contact dermatitis
False. Patients may change their minds at any time. Exceptions to the requirement of informed consent include emergency situations and patients without decision - making capacity
Kl
3. Term for heavy bleeding during and between menstrual periods.
Diverticulosis
Menometrorrhagia
Treat immediately. Consent is implied in emergency situations
Sulfonamides - antimalarial drugs - fava beans
4. Mortality rate?
Precocious puberty
Hypertrophic cardiomyopathy
DI
Number of deaths per 1000 population
5. Presents with a herald patch - Christmas - tree pattern.
Septic or anaphylactic shock
Parainfluenza virus type 1
Pityriasis rosea
Agranulocytosis
6. Signs suggesting radial nerve damage with humeral fracture.
Wrist drop - loss of thumb abduction
1
1
Hypotension and bradycardia
7. A homeless child is small for his age and has peeling skin and a swollen belly.
Metformin
Kwashiorkor (protein malnutrition)
Dantrolene or bromocriptine
TB medications (INH - rifampin - pyrazinamide) - acetaminophen - and tetracycline
8. Class of drugs that may cause syndrome of muscle rigidity - hyperthermia - autonomic instability - and extrapyramidal symptoms.
Antipsychotics (neuroleptic malignant syndrome)
Osgood - Schlatter disease
Immediate needle thoracostomy
Inevitable abortion
9. Post - HBV exposure treatment.
HBV immunoglobulin
Rate control - rhythm conversion - and anticoagulation
Weight gain - type 2 DM - QT prolongation
< 7.0
10. A nonsuppurative complication of streptococcal infection that is not altered by treatment of 1
Trauma - alcohol withdrawal - brain tumor
Neither
Squamous cell carcinoma
Postinfectious glomerulonephritis
11. Honeycomb pattern on CXR. Diagnosis? Treatment?
Diffuse interstitial pulmonary fibrosis. Supportive care. Steroids may help
S. aureus
Endometrial biopsy
Group B strep - E. coli - Listeria. Treat with gentamicin and ampicillin
12. Definition of unstable angina.
Pain - pallor - pulselessness - paralysis - paresthesia - poikilothermia
Suspect retinoblastoma
Graves' disease
Angina is new - is worsening - or occurs at rest
13. Fertility rate?
Sheehan's syndrome (postpartum pituitary necrosis)
Infection - cancer - and autoimmune disease
Hyperkalemia
Number of live births per 1000 women 15-44 years of age
14. Acceptable urine output in a trauma patient.
Neurofibromatosis 1
1
Fanconi's anemia
50 cc/hour
15. A patient with a history of lithium use presents with copious amounts of dilute urine.
Nephrogenic diabetes insipidus (DI)
Chronic lymphocytic leukemia (CLL)
Right - to - left shunt - hypoventilation - low inspired O2 tension - diffusion defect - V/Q mismatch
Headache
16. Bias introduced into a study when a clinician is aware of the patient's treatment type.
Observational bias
False. Withdrawing and withholding life are the same from an ethical standpoint
Intraductal papilloma
Nephrolithiasis
17. Treatment for acute coronary syndrome.
Absence seizures
Hypernatremia
Morphine - O2 - sublingual nitroglycerin - ASA - IV Beta- blockers - heparin
46 -XX
18. The diagnostic test for pulmonary embolism.
Bladder rupture or urethral injury
SSRIs
Vibrio - HAV
V/Q scan
19. Blood in the urethral meatus or high - riding prostate.
Seventy percent if the stenosis is symptomatic
Diffuse interstitial pulmonary fibrosis. Supportive care. Steroids may help
OCP and barrier contraception
Bladder rupture or urethral injury
20. Complication of scaphoid fracture.
Number of deaths from 20 weeks' gestation to one month of life per 1000 total births
Anemia - thrombocytopenia - and acute renal failure
Endometrial biopsy
Avascular necrosis
21. Birth rate?
Check for ? ICP; look for papilledema
V/Q scan
Number of live births per 1000 population
Hemophilia A or B; consider desmopressin (for hemophilia A) or factor VIII or IX supplements
22. Identify key organisms causing diarrhea:
Neither
Bacillus cereus
Spinal stenosis
Bacterial meningitis
23. Elevated erythropoietin level - elevated hematocrit - and normal O2 saturation suggest?
RCC or other erythropoietin - producing tumor; evaluate with CT scan
Naloxone
Hyperkalemia
Highly sensitive for TB
24. Drowsiness - asterixis - nausea - and a pericardial friction rub.
Uremic syndrome seen in patients with renal failure
Suspect retinoblastoma
Pregnancy - vesicoureteral reflux - anatomic anomalies - indwelling catheters - kidney stones
A patient with chest trauma who was previously stable suddenly dies
25. Breast cancer type that ? the future risk of invasive carcinoma in both breasts.
Lobular carcinoma in situ
Weight loss and OCPs
Membranous glomerulonephritis
Pemphigus vulgaris
26. A condition associated with red 'currant - jelly' stools.
Lyme disease - Ixodes tick - doxycycline
Intussusception
High TSH - low T4 - antimicrosomal antibodies
Pseudogout
27. Electrolyte changes in tumor lysis syndrome.
Hypernatremia
Membranous glomerulonephritis
Nephritic syndrome
? Ca2+ - ? K- - ? phosphate - ? uric acid
28. The most common cause of female infertility.
Endometriosis
Normal
Conduct disorder
Naloxone
29. Associated with Propionibacterium acnes and changes in androgen levels.
Pheochromocytoma
Neisseria meningitidis
Acne vulgaris
Taenia solium (cysticercosis)
30. Cannon 'a' waves.
Glanzmann's thrombasthenia
Third - degree heart block
SCLC
Frotteurism (a paraphilia)
31. First - line medication for status epilepticus.
Antipsychotics (neuroleptic malignant syndrome)
Factitious disorder (Munchausen syndrome)
IV benzodiazepine
ST- segment elevation (depression means ischemia) - flattened T waves - and Q waves
32. A middle - aged man presents with acute - onset monoarticular joint pain and bilateral Bell's palsy. What is the likely diagnosis - and how did he get it? Treatment?
Intussusception
Lyme disease - Ixodes tick - doxycycline
Coarctation of the aorta
Ampulla of the oviduct
33. A crescent - shaped hyperdensity on CT that does not cross the midline.
Subdural hematoma
Murphy's sign - seen in acute cholecystitis
Alopecia areata (autoimmune process)
Parainfluenza virus type 1
34. Molar pregnancy containing fetal tissue.
Partial mole
Streptococcus pneumoniae
Widened mediastinum (> 8 cm) - loss of aortic knob - pleural cap - tracheal deviation to the right - depression of left main stem bronchus
Toxoplasma gondii
35. Virchow's triad.
Prevalence
Stasis - hypercoagulability - endothelial damage
High reliability - low validity
Tardive dyskinesia. ? or discontinue haloperidol and consider another antipsychotic (e.g. - risperidone - clozapine)
36. Classic causes of drug - induced hepatitis.
Fibrin split products and D- dimer are elevated; platelets - fibrinogen - and hematocrit are ?.
TB medications (INH - rifampin - pyrazinamide) - acetaminophen - and tetracycline
Taenia solium (cysticercosis)
N- acetylcysteine
37. Name the defense mechanism:
Gout. Needle - shaped - negatively birefringent crystals are seen on joint fluid aspirate. Chronic treatment with allopurinol or probenecid
Postinfectious glomerulonephritis
Reaction formation
Cellulitis
38. The most common cause of postpartum hemorrhage.
Pityriasis rosea
Uterine atony
Reaction formation
Placental abruption and placenta previa
39. Neutropenic nadir postchemotherapy.
Cutaneous anthrax. Treat with penicillin G or ciprofloxacin
Rett's disorder
7-10 days
Number of deaths from birth to 28 days per 1000 live births
40. The percentage of cases within one SD of the mean? Two SDs? Three SDs?
68% - 95.5% - 99.7%
Cirrhosis - CHF - nephritic syndrome
Chronic granulomatous disease
Bacillus cereus
41. The most common organism in burn - related infections.
Pseudomonas
'Chocolate cysts -' powder burns
Wrist drop - loss of thumb abduction
Immediate cardioversion
42. Describe a test that consistently gives identical results - but the results are wrong.
The incidence rate (IR) of a disease in exposed - the IR of a disease in unexposed
High reliability - low validity
Treat existing heart failure and replace the tricuspid valve
Abdominal obesity - high triglycerides - low HDL - hypertension - insulin resistance - prothrombotic or proinflammatory states
43. Cause of neonatal RDS.
Surfactant deficiency
Phencyclidine hydrochloride (PCP) intoxication
Fluid restriction - demeclocycline
Hypotension - distant heart sounds - and JVD
44. Name the organism:
Substance abuse
Streptococcus pneumoniae
Tetracycline - fluoroquinolones - aminoglycosides - sulfonamides
Subarachnoid hemorrhage (SAH)
45. Name the organism:
Salmonella
Diphenhydramine or epinephrine 1:1000
Klebsiella
Oral surgery
46. Meningitis in infants. Causes? Treatment?
Lead - time bias
Acute mania. Start a mood stabilizer (e.g. - lithium)
Pneumococcus - meningococcus - H. influenzae. Treat with cefotaxime and vancomycin
Trauma; the second most common is berry aneurysm
47. Back pain that is exacerbated by standing and walking and relieved with sitting and hyperflexion of the hips.
IV benzodiazepine
a - antagonists (phentolamine and phenoxybenzamine)
Spinal stenosis
Confounding variable
48. Macrocytic - megaloblastic anemia with neurologic symptoms.
B12 deficiency
Inhaled Beta- agonists and inhaled corticosteroids
Kl
Hypoparathyroidism
49. What is the immunodeficiency?
Exercise stress treadmill with ECG
Wiskott - Aldrich syndrome
Parkinson's disease
Acute myelogenous leukemia (AML)
50. Characteristics favoring carcinoma in an isolated pulmonary nodule.
Rate control with carotid massasge or other vagal stimulation
M3
Age > 45-50 years; lesions new or larger in comparison to old films; absence of calcification or irregular calcification; size > 2 cm; irregular margins
Salmonella