Which are the primary arteries that supply the majority of the oxygenated blood to the brain?
A) Internal carotid arteries
B) Subclavian arteries
C) Vertebral arteries
D) Common carotid arteries
Answer: A
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Emily, a newborn, was miserable and vomiting frequently. An X-ray revealed hypertrophic pyloric stenosis. The problem in Emily's digestive system, before surgery helped her, was
A. an overgrowth of the stomach wall that narrows the opening between the esophagus and stomach. B. an abnormally large peptic ulcer near the opening of the esophagus into the stomach. C. a genetic defect resulting in the absence of the pyloris. D. overgrowth of muscle that blocked the passageway from the stomach to the small intestine.
This thick sheet of fascia extends between the phalanges of the toes and the calcaneus, and also encloses the plantar muscles of the foot
A. Extensor retinaculum B. Extensor aponeurosis C. Intrinsic fascia D. Plantar aponeurosis E. Elevator tendonosis
The presence of intercalated discs between adjacent cardiac muscle cells causes the heart to behave as a _____________.
A. single chamber B. contractile myofibril C. desmosome D. functional syncytium
Why is the urinary albumin excretion rate an indication of renal damage from diabetes or hypertension?
A. Diabetes and hypertension may damage the glomerulus, causing excess albumin loss during filtration. B. Albumin in the urine is a sign of end-stage renal failure. C. Diabetes results in increased plasma albumin concentrations, which damages the glomerulus. D. Both diabetes and hypertension result in excess retention of albumin by the kidneys.