Which of the following is NOT a common characteristic of epithelial tissues?
a) Cells are tightly packed together.
b) Large amount of extracellular matrix.
c) Contains no blood vessels within tissue.
d) Found on the exposed surfaces of the body.
e) Line the inside of blood vessels.
Answer: b
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Renal tubule cells in the kidney medulla are constantly exposed to high extracellular osmolarity. How do they maintain normal cell volume?
A) They synthesize water molecules through increased metabolism to offset volume loss. B) They maintain a water-impermeable membrane. C) They add or remove aquaporins as needed. D) They synthesize organic solutes as needed to match the osmolarity.
____________________ is essential and important when working with dosages, medications and labels
Fill in the blank(s) with correct word
What type of membrane lines joint cavities?
A) mucous B) synovial C) serous D) cutaneous
The pounding or racing heart with or without irregularity in rhythm is ________________
Fill in the blank(s) with correct word