How is cognitive function affected by aging?
A. Cognitive function declines but motor skills improve
B. Declines
C. Increases rapidly
D. Remains stable
Answer: B
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What is the best explanation for the microvilli on the apical surface of the proximal convoluted tubule (PCT)?
A) They increase the surface area and allow for a greater volume of filtrate components to be reabsorbed. B) Their movements propel the filtrate through the tubules. C) They increase the amount of surface area that comes in contact with the blood's plasma to help activly excrete toxins. D) They hold on to enzymes that cleanse the filtrate before reabsorption.
A collection or mass of blood on the outer ear is termed:
A) orohemangioma B) otopyorrhea C) otopathy D) aural hematoma
The extracellular material of tissues is called ________.
A. plasma B. fibroblast C. lymph D. cytoplasm E. matrix
The lungs develop from
A. somitomeres. B. neural crest cells. C. an evagination from the foregut. D. an evagination from the floor of the diencephalon. E. an invagination from the hindgut.