A nurse is preparing to administer heparin at 1,000 units/hr via continuous IV infusion to a client who had a coronary artery bypass graft. Available is heparin 25,000 units in dextrose 5% in water in 250 mL. The nurse should set the IV pump to deliver how many mL/hr? (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 ["10"]
ML
The formula to calculate the IV flow rate is:
mL/hr =
(Desired dose (units/hr)×Total volume (mL))/ Available dose
Substituting the given values:
(1,000×250)/25000
= 250,000/25,000
= 10ml/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Establish a new routine for the child to follow while in the facility. This is incorrect because preschoolers find comfort in familiar routines. Maintaining their usual routines as much as possible helps reduce anxiety.
B. Use medical terminology when discussing procedures with the child. This is incorrect because preschoolers have a limited understanding of medical terms. Using simple, age-appropriate language helps them better comprehend what is happening.
C. Encourage the child to play with toys such as a pounding board. This is correct because preschoolers benefit from play to express emotions and relieve stress. Toys like a pounding board allow them to release frustration in a safe and developmentally appropriate way.
D. Perform the morning assessments when the parent is not in the room. This is incorrect because having a parent present provides comfort and security, which can help the child remain calm during assessments.
Correct Answer is B
Explanation
A. Breathlessness is not a typical symptom of a sliding hiatal hernia. However, in severe cases, large hernias may cause shortness of breath due to pressure on the diaphragm.
B. Heartburn (acid reflux) is a common symptom because the hernia allows stomach acid to move up into the esophagus, causing irritation and discomfort.
C. Abdominal cramping is not a primary symptom of a sliding hiatal hernia. Cramping is more commonly associated with gastrointestinal conditions like irritable bowel syndrome (IBS) or gastroenteritis.
D. Constipation is not directly linked to a sliding hiatal hernia. Instead, symptoms usually involve gastroesophageal reflux disease (GERD)-related issues, such as heartburn and regurgitation.
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