What characteristic(s) of the respiratory membrane facilitate(s) gas exchange?
A. Large amount of tissue fluid to dissolve the gases
B. Small surface area
C. Simple squamous epithelium of the alveolus and capillaries
D. Large groups of white blood cells in contact with the membrane
Answer: C
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Urinary tract infections are common in persons with reduced mobility, primarily due to:
A) stasis of urine B) hyponatremia C) poor vascular circulation D) hyperkalemia
Which medical imaging technique relies on the absorption of high-energy radiation and reveals dense tissues such as bone and teeth?
A. Positron emission tomography (PET) scan B. Sonography C. Computed tomography (CT) scan D. Magnetic resonance imaging (MRI) E. Radiography
Brodmann's map of the cerebral cortex:
A. is based on recordings of cortical evoked potentials B. is based on regional variation of the cortical layers C. has no correlation with functional organization D. numbers the regions from frontal pole (area 1) to occipital pole (area 47) E. numbers the regions from left (area 1) to right (area 47)
The replacement of a diseased joint with an artificial prosthesis is called __________.
Fill in the blank(s) with the appropriate word(s).