USMLE Mastery iOS App
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Unlock your full potential with USMLE Mastery, the ultimate study companion for medical students and professionals preparing for the United States Medical Licensing Examination (USMLE). This powerful app is designed to transform your learning experience, offering expertly curated practice questions, in-depth explanations, and real-time progress tracking—all to ensure you're fully prepared to ace your exams.
Whether you're tackling Step 1, Step 2, or Step 3, USMLE Mastery delivers comprehensive, high-quality content that helps you deeply understand the material and build the confidence to excel. Master complex concepts, sharpen your clinical skills, and track your progress as you move closer to USMLE success.
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Content Overview
Explore a variety of topics covered in the app.
Example questions
Let's look at some sample questions
Which cells are primarily responsible for adaptive immunity?
NeutrophilsMacrophagesT and B lymphocytesMast cells
T and B lymphocytes are primarily responsible for adaptive immunity. They are capable of recognizing specific antigens and have memory capabilities.
At what age does a child typically begin to use two-word phrases?
12-15 months15-18 months18-24 months24-30 months
Most children begin to use two-word phrases between 18-24 months of age. This can vary based on individual development and exposure to language.
What is the primary mechanism of action of bupropion?
Inhibition of the reuptake of norepinephrine and dopamineInhibition of the reuptake of serotoninBlockade of dopamine receptorsInhibition of monoamine oxidase
Bupropion primarily works by inhibiting the reuptake of norepinephrine and dopamine in the brain.
What is the purpose of a root cause analysis in healthcare?
To assign blame for an errorTo understand the factors that led to an errorTo punish those responsible for an errorTo document errors for legal purposes
The purpose of a root cause analysis in healthcare is to understand the factors that led to an error, with the goal of preventing similar errors in the future.
What is the primary method of prevention for Meningococcal disease?
Hand hygieneIsolationVaccinationUse of antibiotics
Meningococcal disease is primarily prevented through vaccination. There are two types of vaccines that protect against Neisseria meningitidis: the meningococcal conjugate vaccine and the serogroup B meningococcal vaccine.
What is the difference between anagenesis and cladogenesis?
Anagenesis is the evolution of species involving an entire population, rather than a branching event, as in cladogenesisCladogenesis is the evolution of species involving an entire population, rather than a branching event, as in anagenesisAnagenesis is the evolution of species involving a branching event, rather than involving an entire population, as in cladogenesisCladogenesis is the evolution of species involving a branching event, rather than involving an entire population, as in anagenesis
Anagenesis and cladogenesis are two different ways in which speciation can occur. Anagenesis is also known as 'phyletic evolution' and involves one species gradually evolving into a new kind of species, with all members of the population changing together. Cladogenesis, on the other hand, involves a branching mechanism whereby a new species arises as a branch from the parent species.
Which of the following is not a feature of contrast-induced nephropathy?
Acute kidney injuryProteinuriaIncreased serum creatinineDecreased urinary output
Proteinuria is not a typical feature of contrast-induced nephropathy. The main features are acute kidney injury, increased serum creatinine, and decreased urinary output.
Which imaging modality is best for evaluating a suspected pulmonary embolism?
Chest X-rayCT pulmonary angiographyVentilation-perfusion scanMRI
CT pulmonary angiography is the imaging modality of choice for evaluating a suspected pulmonary embolism due to its high sensitivity and specificity.
What is the first step in managing a patient with suspected appendicitis?
Immediate surgeryPhysical examinationOrder CT scanAdminister antibiotics
The first step in managing a suspected case of appendicitis is a thorough physical examination to assess the patient's condition and symptoms.
What embryonic structure gives rise to the inner ear?
First pharyngeal pouchSecond pharyngeal pouchOtic placodeNeural crest
The inner ear, including structures like the cochlea and semicircular canals, originates from the otic placode. The first pharyngeal pouch forms the middle ear cavity and Eustachian tube, the second forms the palatine tonsil, and neural crest cells form peripheral nervous system structures.
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