Most people who have high blood pressure do not have symptoms. In some cases, people with high blood pressure may have a pounding feeling in their head or chest, a feeling of lightheadedness or dizziness, or other signs.
Answer:
keeping everything the same
Explanation:
According to the question, the actual percentage concentration of phenylephrine hydrochloride is 1.
<h3>What is Percentage concentration?</h3>
Percentage concentration may be defined as a type of measurement of the amount of solute dissolved in every 100 units of solution.
According to the question, the amount of phenylephrine hydrochloride = 50 mg.
The volume of injection = 5 mL.
Percentage concentration =
= 5/5 = 1.
Therefore, according to the question, the actual percentage concentration of phenylephrine hydrochloride is 1.
To learn more about Percentage concentration, refer to the link:
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The answer is either A or D sorry not much help