All of it. Because if you have a open wound and the other person does. You are sharing blood. The second one is through someone donating there blood. Needle stick injuries is if the person uses the same needle on different patients.
what do you mean by this I don't understand
Answer:
The correct answer is D.
Explanation:
The normal value range of pH is 7,35-7,45.
If the pH es <u>higher than 7,45</u> we say it is alkalosis and if the pH es <u>lower than 7,35</u> we say it is acidosis. That being said, we can now rule out option B and C.
Then we have to define <u>respiratory acidosis:</u> it is a decrease of pH because of a high value of PaCO2 (in this case as a result of hypoventilation). The normal range of PaCO2 is 35-45 mmHg.
So if we take all this in consideration, the only option with a low pH and a high paCO2 is option D.
C) disease -causing organisms
