Histamine and leukotrienes are released from ________.
A. basophils and mast cells
B. neutrophils and lymphocytes
C. eosinophils and basophils
D. macrophages and microphages
E. phagocytes
Answer: A
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Sound is transmitted to the brain by hair cells
Indicate whether the statement is true or false.
Oxidation-reduction reactions are catalyzed by which of the following enzymes?
A) dehydrogenases and oxidases B) kinases and phosphorylases C) phosphatases and kinases D) synthetases and lipases
In the kidney, blood is filtered in the cortex, drains through the renal pelvis into the renal medulla, and from there travels in the ureter to the urinary bladder
Indicate whether the statement is true or false
Which of these is an example of active transport?
A) Facilitated diffusion of K+ B) Diffusion of oxygen from a place of high concentration to a place of lower concentration C) Transport of Na+ from a place of low concentration to a place of higher concentration D) Transport of glucose down its concentration gradient E) Transport of Cl- following its concentration gradient