A medical assistant is administering epinephrine to a patient. The assistant should recognize that the epinephrine will cause which of the following effects in the patient's body?
Blood vessel constriction
Calming effect.
Decrease in blood pressure
Pain control
The Correct Answer is A
A. Blood vessel constriction: Epinephrine is a vasoconstrictor, meaning it causes blood vessels to narrow, which increases blood pressure and is often used in emergency situations like anaphylaxis.
B. Calming effect: Epinephrine does not have a calming effect; it stimulates the fight-or-flight response, increasing heart rate, blood pressure, and alertness.
C. Decrease in blood pressure: Epinephrine increases blood pressure by causing vasoconstriction, not a decrease.
D. Pain control: Epinephrine is not used for pain control; it is used to treat severe allergic reactions, asthma attacks, and cardiac arrest.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. 99.6°F: This temperature is higher than expected for an axillary reading. Axillary temperatures are generally lower than oral temperatures.
B. 98.6°F: This reading matches the oral temperature. However, axillary temperatures are usually lower by approximately 1°F compared to oral temperatures.
C. 97.6°F: This is the correct answer because axillary temperatures tend to be about 1°F lower than oral temperatures.
D. 96.6°F: This reading is lower than typically expected for an axillary temperature and would indicate hypothermia, which is not expected if the oral temperature was normal.
Correct Answer is B
Explanation
A. C-reactive protein (CRP): CRP is typically tested using a serum sample collected in a gold or red-top tube, not a light blue tube.
B. Partial thromboplastin time (PTT): PTT is a coagulation test that requires a light blue top tube containing sodium citrate, which acts as an anticoagulant. This tube is specifically used for coagulation studies.
C. Glucose: Glucose levels are commonly measured using a gray-top tube containing sodium fluoride to inhibit glycolysis, not a light blue tube.
D. Lactate: Lactate levels are typically measured using a gray-top tube or green-top tube, depending on the specific protocol, not a light blue tube.
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