In response to respiratory acidosis, kidneys sacrifice chlorides to reabsorb larger numbers of _____ ions.
A) Sodium
B) Magnesium
C) Bicarbonate
D) Potassium
E) Chloride
Answer: C) Bicarbonate
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The _________ gland is surrounded by the sella turcica of the sphenoid bone.
Fill in the blank(s) with the appropriate word(s).
Neutrophils
a. are the most abundant type of mononuclear leukocyte b. attach to a parasitic worm and secrete substances that kill it c. increase in numbers in response to granulocyte colony-stimulating factor d. are similar structurally to mast cells e. have characteristics a and c
The juxtaglomerular apparatus is formed where the __________ projects between the afferent arteriole and efferent arteriole next to Bowman's capsule.
A) glomerulus B) arcuate arteries C) proximal tubule D) distal tubule E) collecting duct
When the renal tubules secrete hydrogen ions into the tubular fluid, they ________ at the same time
A) secrete potassium B) secrete chloride C) reabsorb potassium D) reabsorb sodium E) secrete sodium