Practice NRE Medical Step I questions with answers and explanations.
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Broca area is a dominant frontal-lobe region important for motor speech production.
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Frank-Starling mechanism is an increase in ventricular filling produces a stronger contraction within physiological limits.
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Glomerular filtration rate is the volume of plasma filtered by all functioning glomeruli per unit time.
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Surfactant is a phospholipid-rich substance that lowers alveolar surface tension and helps prevent collapse.
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Recurrent laryngeal nerve is a branch of the vagus nerve that supplies nearly all intrinsic muscles of the larynx.
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Reed-Sternberg cell is a large atypical cell classically associated with Hodgkin lymphoma.
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Atherosclerosis is intimal lipid-rich plaque formation in medium and large arteries.
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Median nerve is a major nerve that passes through the carpal tunnel and supplies thenar muscles and sensation to the lateral hand.
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Femoral nerve is the principal nerve of the anterior thigh, supplying quadriceps and enabling knee extension.
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Portal vein is a vessel that carries nutrient-rich blood from the gastrointestinal tract to the liver.
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Phrenic nerve is the motor nerve to the diaphragm, arising mainly from cervical roots C3 to C5.
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Circle of Willis is an arterial anastomotic ring at the base of the brain connecting anterior and posterior circulations.
