Which structure is the final layer for oxygen to encounter before diffusing into the bloodstream?

a. surfactant layer
b. alveolar space
c. capillary wall
d. bronchioles

C. capillary Wall 'CAuse first the oxygen goes into your alveolus and then pass through the capillary wall so hemoglobine can carry it to other tissues

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.