The antibody that becomes bound to mast cells and basophils and causes the cells to release histamine and other chemicals is ________.
Fill in the blank(s) with the appropriate word(s).
IgE
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Endocrine glands
A. secrete hormones directly into the bloodstream. B. are ductless glands. C. help maintain homeostasis. D. are the organs of the endocrine system. E. All of the choices are correct.
If someone steps on a sharp object with their right foot, it will lead to
A. polysynaptic reflexes involving contraction of the right quadriceps and left hamstrings. B. a monosynaptic reflex causing contraction of the right quadriceps and a polysynaptic reflex causing contraction of the the left hamstring. C. a monosynaptic reflex causing contraction of the right hamstring and a polysynaptic reflex causing contraction of the left hamstring. D. polysynaptic reflexes involving contraction of the right hamstring and left quadriceps.
Antidiuretic hormone promotes both sodium and water retention
Indicate whether the statement is true or false
Which statement is incorrect?
a. When [H+] increases, the kidneys conserve HCO3- by reabsorbing more HCO3- and reducing its excretion in the urine. b. When [H+] increases, the kidneys secrete more H+ to be eliminated in the urine. c. When [H+] increases, the kidneys secrete more basic phosphate to buffer the H+ in the tubular filtrate. d. When [H+] decreases, the kidneys excrete more HCO3- into the urine. e. When severe acidosis is present, the kidney tubules secrete NH3.