A nurse is preparing to administer labetalol 40 mg IV to a client. Available is labetalol 5 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["8"]
Calculation:
Desired dose = 40 mg.
Available concentration = 5 mg/mL.
- Calculate the volume to administer.
Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 40 mg / 5 mg/mL
= 8 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"A":{"answers":"A,C"},"B":{"answers":"A,B,C"},"C":{"answers":"B,C"},"D":{"answers":"B,C"},"E":{"answers":"A,C"}}
Explanation
Rationale:
- Temperature: The child’s temperature is 37.4°C (99.3°F), which is mildly elevated. Crohn’s disease typically causes intermittent fever during flare-ups. Appendicitis often presents with a higher fever in later stages. Intussusception can cause low-grade fever due to bowel inflammation, making it the most consistent with this finding.
- Vomiting: Vomiting is uncommon in Crohn’s disease unless there’s obstruction or severe disease. In appendicitis, vomiting usually follows the onset of pain and is related to peritoneal irritation. Intussusception often involves vomiting early due to intermittent bowel obstruction, making it consistent with this client’s symptoms.
- Pain rating: A FLACC score of 5 indicates moderate pain. Crohn’s pain tends to be chronic and crampy rather than episodic. Appendicitis pain worsens over time and becomes localized, typically in the right lower quadrant. Intussusception causes intermittent, severe abdominal pain with sudden relief, matching the child’s pain episodes and behavior.
- Abdominal findings: Crohn’s disease rarely produces a palpable abdominal mass or sudden distension. Appendicitis can cause right-sided tenderness and decreased bowel sounds but does not typically involve a mass. Intussusception often presents with a distended abdomen, hypoactive bowel sounds, and a sausage-shaped mass in the right upper quadrant, as described.
- Stool: Crohn’s disease can lead to bloody, mucus-filled stools due to ulceration in the intestinal lining. Appendicitis does not typically alter stool characteristics unless perforation occurs. Intussusception is well known for producing “currant jelly” stools, composed of blood and mucus, aligning with this child’s bowel movement description.
Correct Answer is ["C","E","F","G"]
Explanation
Rationale:
A. Initiate contact precautions: Endometritis is not typically caused by a pathogen requiring contact precautions (like MRSA or C. difficile). Standard precautions are sufficient unless otherwise indicated.
B. Inform the client she will need to formula feed her newborn until she has received antibiotics for 24 hr: The prescribed antibiotics (e.g., clindamycin) are generally considered safe for breastfeeding, and lactation should be encouraged unless specifically contraindicated.
C. Monitor the height and tone of the client's fundus: Fundal tenderness, foul-smelling lochia, and fever are signs of endometritis. Ongoing fundal assessment is important to evaluate uterine involution and identify potential complications like subinvolution or abscess formation.
D. Request a prescription for terbutaline from the provider: Terbutaline is a tocolytic used to relax the uterus in cases of hyperstimulation during labor not for treating uterine infection or postpartum discomfort.
E. Obtain a culture specimen of the lochia from the client's perineal pad using a sterile swab: Culturing lochia helps identify the causative organism of the uterine infection and guide antibiotic therapy. This is a standard step in suspected endometritis cases.
F. Encourage the client to maintain a semi-Fowler's position to enhance uterine drainage: Positioning the client with the head elevated allows for better lochia drainage, preventing accumulation that could worsen infection or discomfort.
G. Instruct the client to wash her hands before and after changing her perineal pad: Good perineal hygiene helps prevent the spread of infection and supports recovery, especially in the context of suspected endometritis.
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