A client is ordered ampicillin 0.5 g po every 6 hours. On hand are ampicillin capsules labeled 250mg. How many capsules will the nurse administer for single dose?
The Correct Answer is ["2"]
Given:
Desired dose: Ampicillin 0.5 g PO
Available concentration: Ampicillin capsules 250 mg each
To find:
Number of capsules to administer for a single dose
Step 1: Convert desired dose to milligrams
We know that 1 gram (g) is equal to 1000 milligrams (mg). Therefore, to convert the desired dose from grams to milligrams, we multiply by 1000:
Desired dose (mg) = Desired dose (g) x 1000
Desired dose (mg) = 0.5 g x 1000 = 500 mg
Step 2: Calculate the number of capsules
To find the number of capsules, we divide the desired dose by the strength of each capsule:
Number of capsules = Desired dose / Capsule strength
Number of capsules = 500 mg / 250 mg/capsule = 2 capsules
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["D","E","I","K"]
Explanation
The newborn's assessment findings that require follow-up:
Temperature 35.7°C (96.3°F) at 2200:
Hypothermia in newborns can lead to cold stress, which increases the risk of respiratory distress and hypoglycemia. The newborn’s temperature should be closely monitored, and warming measures should be initiated to prevent further complications.
Respiratory rate 68/min at 2200:
A respiratory rate above 60 breaths per minute in a newborn is considered tachypnea and can indicate respiratory distress or underlying conditions such as infection. The newborn should be further evaluated to determine the cause of the tachypnea and to ensure proper oxygenation.
Sternal retractions at 2200:
Sternal retractions suggest that the newborn is experiencing increased work of breathing, which is a key sign of respiratory distress. This requires immediate evaluation to assess the severity and identify potential causes, such as respiratory infections or inadequate ventilation.
Coarse rhonchi in bilateral lung fields at 2200:
The presence of coarse rhonchi indicates abnormal breath sounds, often related to fluid retention or infection in the lungs. This finding requires further assessment and possibly interventions to clear the airway and support respiratory function.
Correct Answer is C
Explanation
A) Decrease the heart rate of the fetus:
Lying on the left side can sometimes help improve fetal oxygenation, especially if there is a concern about reduced blood flow from compression of the inferior vena cava, which can occur when the mother lies on her back. However, the primary rationale for this position is to prevent supine hypotension, not specifically to decrease fetal heart rate. In fact, side-lying can promote better oxygen exchange, which can indirectly benefit the fetal heart rate.
B) Aid the women while she pushes:
While a left-side lying position may offer comfort during labor and can help with uterine positioning, it is not specifically intended to aid in the pushing phase. Positions such as squatting or hands-and-knees are generally more helpful during the pushing phase because they can facilitate effective pushing and help the baby descend into the birth canal. The left-side position is more about circulation and preventing hypotension.
C) Prevent supine hypertension:
Supine hypotension occurs when the pregnant woman lies flat on her back, which can compress the inferior vena cava and reduce blood return to the heart. This leads to a drop in blood pressure and can compromise both maternal and fetal circulation. The left-side position is recommended because it helps to prevent this compression and allows optimal blood flow to both the mother and fetus, improving oxygenation and circulation.
D) Prevent the client from falling out of bed:
While lying on the left side may make the woman feel more stable, the primary reason for this position is to prevent supine hypotension, not to prevent her from falling out of bed. The nurse would ensure safety by using appropriate bed rails and monitoring, but the primary concern is supporting optimal circulation, not preventing falls.
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