Renin is released from the JG apparatus in response to
A. low blood pressure or increased NaCl in the fluid within the distal convoluted tubule.
B. low blood pressure or decreased NaCl in the fluid within the distal convoluted tubule.
C. high blood pressure or decreased NaCl in the fluid within the distal convoluted tubule.
D. high blood pressure or increased NaCl in the fluid within the distal convoluted tubule.
Answer: B
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Fill in the blank(s) with correct word
Why are neurons unable to undergo mitosis in adults?
A. Mature neurons lack centrioles. B. Neurons lack mitochondria. C. Mature neurons lack a nucleus. D. Mature neurons lack chromatophilic substance. E. Mature neurons lack adequate supplies of cytoplasm for cell division.
What is the pia mater?
a. Cords of nerve tissue that extend from the conus medullaris b. Space between the surface of the brain and arachnoid mater c. Tough fibrous meninx that is the most superficial layer of the meninges d. Deepest meninx that is attached directly to the surface of the spinal cord
By what transport mechanism does glucose enter most cells?
A. diffusion through the lipid bilayer B. primary active transport C. secondary active transport D. diffusion through a protein channel E. facilitated diffusion