Constant regulation of blood pH is critical. There are several processes (and several organ systems) involved in this regulation. Fully explain two different ways that blood pH is regulated by the urinary system
What will be an ideal response?
The student can describe the carbonic acid buffering system, which involves H+ and HCO3-. They could approach this from the nephron's perspective or from the perspective of the blood. The student might also explain how the respiratory rate affects blood pH. More specifically, if blood pH is too low, then the kidneys may remove excess hydrogen ions from the blood and excrete them in urine. Second, by returning bicarbonate to the blood, the kidneys sustain the important carbonic acid buffering system of the blood.
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Autism, Alzheimer disease, Parkinson’s disease, and schizophrenia are all associated with ____
a. copy number variants b. fragile sites c. inversions d. deletions e. translocations
Steroid hormones produce their effects in cells by _____
A) activating key enzymes in metabolic pathways B) activating translation of certain mRNAs C) promoting the degradation of specific mRNAs D) binding to intracellular receptors and promoting transcription of specific genes
Compared to when the Na+ channel is closed, how will the transport of Waste molecules change when the Na+ channel is open? The rate of Waste transport out of the cell will:
a) Increase b) Decrease c) Not change
A woman (the mother) who has blood type A, has a daughter who is type O and a son who is type B. What is the genotype of the mother?
A. IAIA B. IBIB C. ii D. IAi