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NBME Answers and Explanations
A 77-year-old woman dies in the hospital after a long ...
An 18-month-old boy is brought to the physician because of ...
A 22-year-old woman comes to the physician 3 months after she ...
Anterior to the sternocleidomastoid muscle
A 3-year-old girl is found to have a grade 4/6, loud, harsh, ...
Ventricular septal defect
A 32-year-old woman comes to the physician because of a ...
A 4-year-old boy is brought to the emergency department ...
Reaction step labeled by the letter 'E'
A 12-year-old African American girl is brought to the ...
Polymerization of hemoglobin with hypoxic conditions due to amino acid substitution in the β chain
A 43-year-old woman with metastatic colon cancer has ...
The agent being a humanized antibody
A 43-year-old man comes to the physician for a routine health ...
A 20-year-old man has cramping periumbilical pain. After ...
An 18-year-old man has had temperatures to 38.3°C (101°F), a ...
A male newborn at 34 weeks' gestation is delivered vaginally. ...
A 15-year-old boy is brought to the physician by his mother ...
Type I (immediate) hypersensitivity
A female newborn is delivered at 34 weeks' gestation in an ...
A 5-month-old boy is brought to the physician because of a ...
In order to determine risk factors for death from coronary ...
Observational cohort study
A 36-year-old man who is seropositive for HIV has had a ...
Pneumocystis jiroveci (formerly P. carinii)
A 47-year-old woman comes to the physician because she wants ...
Activation of nuclear gene transcription
A 5-year-old boy is brought to the physician by his mother ...
A 23-year-old woman comes to the physician because of a ...
A 54-year-old man has a squamous cell carcinoma of the right ...
Loss of heterozygosity
A previously healthy 42-year-old Asian woman is brought to ...
Induction of cytochrome P450
Homologous pairing of chromosomes in prophase I is essential ...
A 32-year-old woman comes to the physician because she has ...
A 31-year-old woman is brought to the emergency department by ...
Desensitization of nicotinic receptors
A previously healthy 40-year-old man is brought to the ...
Increased protein degradation
A 33-year-old woman who is right-handed is brought to the ...
Voltage-gated Na+ channels
A study is conducted to evaluate the onset and course of ...
An autopsy is done on a 46-year-old woman who died of ...
A cluster of three cases of nosocomial pneumonia caused by a ...
Promote thorough hand cleansing before and after medical personnel visit each patient
A 23-year-old woman with type 1 diabetes mellitus is brought ...
Inability to produce hydroxy-halide radicals
A 25-year-old woman undergoes a radical mastectomy with ...
A young adult couple has been unable to conceive for the past ...
A 25-year-old man with cystic fibrosis comes to the physician ...
Biofilm formation in the lower respiratory tract
An 18-year-old woman with mild mental retardation is brought ...
A mouse melanoma, B-16, is highly metastatic. A clone of the ...
A 22-year-old woman comes to the physician for a follow-up ...
Antiphospholipid antibody syndrome
A previously healthy 32-year-old man is brought to the ...
A 40-year-old woman is brought to the emergency department 30 ...
A 33-year-old woman comes to the physician because of a 16-kg ...
A 55-year-old man with hepatic encephalopathy is brought to ...
A previously healthy 25-year-old man is admitted to the ...
Alveolar hyaline membrane
A 64-year-old woman comes to the physician because of a ...
Esophageal peristalsis: decreased; Lower esophageal sphincter tone: decreased
A 62-year-old man is brought to the emergency department ...
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