Fluid secretion by lung cells is due to ________ alveolar cells.
A. active transport of Na+ into
B. passive transport of HCO3- out of
C. active transport of Na+ out of
D. active transport of Cl- out of
Answer: D
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The kidney ducts, bladder, thyroid gland, and tonsils all develop from the primary germ layer called the:
a. ectoderm b. mesoderm c. endoderm d. none of the above
Which term refers to the diamond-shaped area between the thighs that is bordered by the pubic symphysis, the coccyx and the ischial tuberosities?
a) galea aponeurotica b) perineum c) zygomatic arch d) modiolus
Transfusions reactions are usually most serious when the recipients antigens interact with the donor's antibodies
Indicate whether the statement is true or false
The last step to synthesis of 1,25-dihydroxy vitamin D3 occurs in what organ?
A) skin B) brain C) gastrointestinal tract D) kidney E) liver