Oxygen moves from blood into the interstitial fluid and then to body cells because it
A) diffuses from a region of higher partial pressure to a region of lower partial pressure.
B) diffuses from a region of lower partial pressure to a region of higher partial pressure.
C) descends down an osmotic gradient, following the movement of water.
D) diffuses from a higher to a lower pH.
Answer: A
You might also like to view...
Immunoglobulins and TCRs associate with adaptor molecules that have
A) a C domain. B) immune-based tyrosine-activation motifs (ITAMs). C) pathogen recognition receptors. D) toll-like receptors.
Which of the following questions must be considered when selecting an antimicrobial drug?
A) Can it reach the site of infection? B) Is the pathogen susceptible to the drug? C) Is the pathogen resistant to the drug? D) All of the above
In general, fungi derive nutrients through
A) photosynthesis. B) engulfing bacteria. C) decomposing and digesting organic substances. D) parasitism.
Explain the techniques used in the cloning of "Dolly."
What will be an ideal response?