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 D
Explanation
Rationale:
A. Instruct the client to shower and change their clothes: The client should avoid bathing, showering, changing clothes, eating, or drinking before a forensic examination. These actions can destroy vital evidence needed for legal and medical purposes.
B. Ask the client for details about the assault: While the nurse should provide emotional support and allow the client to speak if they choose, probing for details can be retraumatizing. A trained forensic examiner should conduct this interview in a sensitive and structured manner.
C. Reassure the client that their injuries are not life threatening: While reassurance is important, making assumptions about the severity of injuries can invalidate the client’s emotional trauma. The nurse should focus on safety, stabilization, and support.
D. Limit the number of staff members providing care for the client: Reducing the number of caregivers helps minimize overstimulation, preserves privacy, and creates a sense of control and safety for the client. This trauma-informed approach is essential in early post-assault care.
Correct Answer is D
Explanation
Rationale:
A. Pale and a 24-hr fluid deficit of 30 mL: Mild pallor and a small fluid deficit are not uncommon in early stages of illness and may not require immediate intervention. However, more serious signs of dehydration would take priority for reporting.
B. Temperature 38° C (100.4° F) and pulse rate 124/min: These are within expected limits for an infant with mild infection or fever. While they should be monitored, they are not urgent indicators of severe complications from gastroenteritis.
C. Decreased appetite and irritability: These are common symptoms in infants with viral illnesses, including gastroenteritis. Although they affect comfort and feeding, they are not necessarily indicators of serious fluid or electrolyte imbalance.
D. Sunken fontanels and dry mucous membranes: These are clinical signs of moderate to severe dehydration, which is a serious complication of gastroenteritis in infants. These findings must be reported promptly for urgent intervention to prevent further deterioration.
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