Where are the coronary ostia located?
a. Left ventricle
b. Aortic valve
c. Coronary sinus
d. Aorta
Answer: d. Aorta
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A teenager asks the nurse how tetracycline (Sumycin) will improve her acne. Which of the following is the best statement the nurse can provide to the patient regarding the action of tetracycline?
A) "Tetracycline decreases redness and swelling of the pustules." B) "Tetracycline treats the Chlamydia organism that causes acne." C) "Tetracycline is used in combination with doxycycline to treat acne." D) "Tetracycline interferes with the production of free fatty acids."
An IV is infusing at 15 mL/h. What would this rate of flow equal in mcgtt/min?
1. 1.5 mcgtt/min 2. 15 mcgtt/min 3. 18 mcgtt/min 4. 150 mcgtt/min
A nursing center
a. Emphasizes illness-oriented care b. Gives the client direct access to nursing services c. Provides free services d. Employs physicians to diagnose and treat health problems
An analgesic is prescribed for a postsurgical pediatric client to be administered every 3 to 4 hours. Which can occur if the nurse is delayed in administering the prescribed analgesic?
1. Decrease in the chance of withdrawal symptoms 2. Decrease in the chance of addiction 3. Increase in the chance of breakthrough pain 4. Increase in the child's pain tolerance