The goal of cardiovascular regulation is:
to equalize the blood flow with the pressure differences
to increase pressure and reduce resistance
maintenance of adequate blood flow through peripheral tissues and organs
to equalize the stroke volume with the cardiac output
none of the choices are correct
maintenance of adequate blood flow through peripheral tissues and organs
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Before nitric oxide was identified, its action was observed in ________ and it was given the name ________.
Fill in the blank(s) with the appropriate word(s).
If the total pressure of a gas is 700 mm Hg and its composition is 20% oxygen, 0.03% carbon dioxide, 75% nitrogen, and 5% water vapor, the partial pressure of oxygen (PO2) is
A) 15 mm Hg. B) 20 mm Hg. C) 105 mm Hg. D) 140 mm Hg. E) 1600 mm Hg.
Why is the genetic code described as a triplet code?
A) It is described as a triplet code because 3 ATP molecules are required to produce each protein. B) It is described as a triplet code because a sequence of three nitrogenous bases specifies the identity of a specific amino acid. C) It is described as a triplet code because a minimum of three amino acids are required to produce a functional protein. D) It is described as a triplet code because three RNA molecules participate in the transcription of the DNA. E) It is described as a triplet code because there are three nucleotides in DNA.
Describe the normal characteristics of freshly-voided urine in a healthy adult
What will be an ideal response?