A nurse is preparing to administer 5% dextrose in 0.45% sodium chloride 1,000 mL IV to infuse over 12 hr. 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 ["83"]
To calculate the infusion rate, you would divide the total volume of IV fluid (1,000 mL) by the number of hours over which the infusion is to be delivered (12 hours). This results in an infusion rate of 83.33 mL/hr. When rounding to the nearest whole number, the nurse should set the IV pump to deliver 83 mL/hr.
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Correct Answer is B
Explanation
A. Hypotension is not typically associated with coarctation of the aorta; it more often leads to hypertension in the upper body.
B. Unequal pulses in the upper and lower extremities are a classic sign of coarctation of the aorta, as the obstruction typically affects blood flow to the lower body.
C. Excessive crying is not a specific indicator of coarctation of the aorta and can occur due to various reasons.
D. A diastolic murmur is not a primary indicator of coarctation of the aorta; it is more associated with other cardiac conditions.
Correct Answer is D
Explanation
A. Budesonide is a corticosteroid used for long-term asthma control, not for acute exacerbations.
B. Cromolyn is a mast cell stabilizer used for long-term control, not for acute symptoms.
C. Montelukast is a leukotriene receptor antagonist used for long-term management, not for acute exacerbations.
D. Albuterol is a bronchodilator used as a rescue medication to relieve acute asthma symptoms by relaxing the airway muscles and easing breathing.
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