The exchange of oxygen and carbon dioxide during cellular metabolism is best described as:
A. ventilation.
B. diffusion.
C. respiration.
D. perfusion.
C
The lungs assist with ventilation, the movement of air in and out of the lungs, and diffusion, the movement of gases between air spaces and the bloodstream. Respiration is the exchange of oxy-gen and carbon dioxide during cellular metabolism. The heart supports perfusion, the movement of blood into and out of the lungs to the body's organs and tissues.
You might also like to view...
A first mother is getting ready for discharge with a beautiful newborn girl
The mother has a lot of questions and concerns about possible complications that can occur. The registered nurse has prepared an educational booklet about health concerns. The nurse reviews physiologic jaundice with the mother. What are the key things that the nurse needs to include in the teaching on physiologic jaundice? The nurse reviews infant colic with the mother. What would an infant do that would indicate possible infant colic? The nurse reviews signs to the new mother about failure to thrive. What is failure to thrive?
A nursing instructor has completed a lecture on vitamins and minerals needed during pregnancy. To determine the students' understanding she developed a short quiz
One of the questions asked the students to identify the toxic effects of too much calcium. Which response by the students would indicate that further clarification is needed? (Select all that apply.) a. Coma d. Shock b. Convulsions e. Deposits in joints an soft tissue c. Kidney stones f. May inhibit iron and zinc absorption
The nurse understands that the length of time needed for a drug to reach the minimum effective concentration (MEC) is the
a. duration of action. b. onset of action. c. peak action time. d. time response curve.
A nurse is documenting the intensity of a client's pain. What would be the most accurate entry?
A) "Client complaining of severe pain." B) "Client appears to be in a lot of pain and is crying." C) "Client states has pain; walking in hall with ease." D) "Client states pain is a 9 on a scale of 1 to 10."