A nurse is preparing to administer atenolol 50 mg PO daily to a client. The amount available is atenolol 100 mg/tablet. How many tablets should the nurse administer per dose?
(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero)
The Correct Answer is ["0.5"]
To calculate the number of tablets, the nurse should use the following formula:
Number of tablets = (Desired dose / Available dose) x (Available form / Desired form)
In this case, the desired dose is 50 mg, the available dose is 100 mg, the available form is 1 tablet, and the desired form is 1 tablet. Therefore, the formula becomes:
Number of tablets = (50 mg / 100 mg) x (1 tablet / 1 tablet)
Number of tablets = 0.5 x 1
Number of tablets = 0.5
The nurse should round the answer to the nearest tenth, which is 0.5. The nurse should use a leading zero if the answer is less than 1, which is 0.5. The nurse should not use a trailing zero, which means 0.5 and not 0.50.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Orthostatic hypotension is a normal finding in the postpartum period, because the client has a sudden decrease in blood volume after delivery. The nurse should instruct the client to change positions slowly and drink plenty of fluids.
Choice B reason: Urine output of 3,000 mL in 12 hr is a normal finding in the postpartum period, because the client has increased renal perfusion and diuresis after delivery. The nurse should encourage the client to empty the bladder frequently and monitor the intake and output.
Choice C reason: Heart rate 160/min is an abnormal finding in the postpartum period, because it indicates tachycardia, which can be a sign of infection, dehydration, hemorrhage, or cardiac complications. The nurse should assess the client's temperature, blood pressure, pulse, respirations, skin color, lochia, and pain level, and report any abnormal findings to the provider.
Choice D reason: Fundus palpable at the umbilicus is a normal finding in the postpartum period, because the uterus gradually involutes and descends into the pelvis after delivery. The nurse should palpate the fundus and check for firmness, position, and height. The fundus should be at the level of the umbilicus immediately after delivery, and descend about one fingerbreadth per day.
Correct Answer is D
Explanation
Choice A reason: Thrombophlebitis is a condition where a blood clot forms in a vein and causes inflammation and pain. The risk factors for thrombophlebitis include immobility, dehydration, obesity, smoking, and cesarean birth. This client is not at increased risk for thrombophlebitis based on the information given.
Choice B reason: Retained placental fragments are pieces of the placenta that remain in the uterus after delivery and can cause bleeding, infection, or uterine subinvolution. The risk factors for retained placental fragments include placenta previa, placenta accreta, manual removal of the placenta, and incomplete separation of the placenta. This client is not at increased risk for retained placental fragments based on the information given.
Choice C reason: Puerperal infection is an infection of the reproductive tract that occurs within six weeks after delivery and can cause fever, malaise, abdominal pain, and foul-smelling lochia. The risk factors for puerperal infection include prolonged rupture of membranes, prolonged labor, multiple vaginal examinations, operative delivery, and retained placental fragments. This client is not at increased risk for puerperal infection based on the information given.
Choice D reason: Uterine atony is a condition where the uterus fails to contract and retract after delivery and can cause excessive bleeding, hypovolemic shock, and hemorrhage. The risk factors for uterine atony include overdistension of the uterus, prolonged labor, oxytocin use, anesthesia, and trauma. This client is at increased risk for uterine atony due to the large size of the newborn, which can overstretch the uterus and impair its ability to contract.
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