Answer to Question 1
ANS: A
An alpha1 response would result in mydriasis, or widening of the pupil, and would facilitate an eye exam.
Miosis describes pupillary constriction and is not a result of an alpha1-receptor response.
Hypertension is an adverse effect of alpha1 activation and therefore would not be an expected response.
A decreased heart rate would not be an expected response of an alpha1-receptor medication.
Answer to Question 2
ANS: A
Dopamine should be discarded if the solution is not clear, as would be the case with most intravenous solutions. The potential for serious reactions exists if a tainted solution is administered. A nurse should always be aware of the reason for a change in the color of an intravenous solution, such as when multivitamin is added to the solution.
Dopamine is indicated to increase the patient's blood pressure, thereby increasing cardiac output, and an expected consequence of that effect would be an increase in urination.
Dopamine is administered intravenously in any of the various types of peripheral and central lines, therefore use of an intrajugular central line would not be a concern.
There is no risk of drug addiction to dopamine.
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