Which of the following statements regarding the chemical mediators of inflammatory responses is NOT true?
A. They may be generated by enzymatic cleavage of proteins in plasma.
B. They are all peptides.
C. The may be secreted by cells that enter the affected area.
D. They may be chemotaxins.
E. They may be secreted by cells residing in the area of injury.
Answer: B
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This is smooth dense irregular connective tissue that is continuous with the outer coat of the ureter
a) adipose capsule b) renal capsule c) renal hilus d) renal cortex e) renal medulla
Macula densa cells signal granular cells to release renin through paracrine stimulation.
Answer the following statement true (T) or false (F)
Antidiuretic hormone ________.
A. stimulates water reabsorption by the kidney B. is secreted in response to dehydration C. induces fusion of aquaporin containing vesicles with the plasma membrane D. All of the choices are correct.
The resting membrane potential is mainly determined by __________.
A)the concentration of Na+ B)the concentration of protein anions outside the cell C)the concentration of Cl- D)the concentration gradient of K+ and the differential permeability of the plasma membrane to K+ and other ions