A nurse is performing an initial assessment on a client who has an order for Lisinopril (Zestril). The nurse notes hypotension and holds the cardiac medication for a blood pressure of:
Client 1: BP-128/80.
Client 2: BP-146/70.
Client 3: BP-102/58.
Client 4: BP-110/82.
The Correct Answer is C
Choice A rationale
A blood pressure of 128/80 mmHg is considered within the normal to slightly elevated range according to current cardiovascular guidelines. Normal blood pressure is generally defined as less than 120/80 mmHg. Lisinopril, an ACE inhibitor, is indicated for hypertension and would typically be administered at this level to maintain therapeutic control. There is no clinical indication of hypotension at this reading, so holding the medication would be inappropriate for this client.
Choice B rationale
A blood pressure of 146/70 mmHg indicates isolated systolic hypertension. The systolic pressure is significantly above the target range of less than 120 mmHg. Administering lisinopril is necessary here to reduce systemic vascular resistance and lower the blood pressure toward a safer therapeutic goal. Holding the medication at this level would allow the hypertension to persist, increasing the risk of long-term vascular damage or acute cardiac events for the client.
Choice C rationale
A blood pressure of 102/58 mmHg is nearing the threshold for hypotension, which is generally defined as a systolic pressure less than 90 mmHg or a diastolic less than 60 mmHg. For a client on antihypertensives like lisinopril, this low reading suggests that further vasodilation could cause symptomatic hypotension or decreased organ perfusion. The nurse should hold the dose and notify the provider to prevent a dangerous drop in blood pressure and syncope.
Choice D rationale
A reading of 110/82 mmHg is considered a normal or pre-hypertensive blood pressure. It does not meet the criteria for hypotension that would warrant holding a scheduled cardiac medication. Lisinopril works by inhibiting the angiotensin-converting enzyme, which prevents the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. At 110/82 mmHg, the client is stable, and the medication is likely working effectively to maintain these desired cardiovascular parameters.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Rocking the client to a standing position is an implementation step used during the actual transfer process. However, this should only occur after the nurse has ensured the client is physiologically stable enough to tolerate the change in position. Moving directly to this step without checking for hemodynamic stability could lead to a fall if the client experiences sudden dizziness. Safety protocols require assessment of vital signs and physical readiness before any manual handling or movement.
Choice B rationale
Applying a gait belt is a critical safety intervention that provides the nurse with a secure point of contact to assist with the client's balance and stability. While it is a necessary part of the transfer process, it is not the very next step after securing the environment. The nurse must first determine if the client can safely transition from a supine to a sitting position without experiencing adverse physiological symptoms that would make the transfer unsafe.
Choice C rationale
Pivoting on the foot farthest from the chair is a specific technical maneuver used to align the body correctly during the transfer to prevent musculoskeletal strain for both the nurse and the client. This action occurs at the end of the transfer sequence. Before reaching this point, the nurse must have already assessed the client's ability to stand and ensured that the client's blood pressure has stabilized following the change in their physical orientation.
Choice D rationale
Assessing for orthostatic hypotension is the priority next step because changing positions from supine to sitting or standing can cause a rapid drop in blood pressure. This drop occurs due to the gravitational pooling of blood in the lower extremities, which can lead to cerebral hypoperfusion and syncope. Identifying a decrease in systolic pressure ≥ 20 mmHg or diastolic pressure ≥ 10 mmHg is vital to prevent falls and ensure the client's safety during the transfer.
Correct Answer is A
Explanation
Choice A rationale
Ice chips are documented as half of their frozen volume once they melt into liquid form. Since 1 oz is equivalent to 30 mL, 8 oz of ice chips represents a total frozen volume of 240 mL. When calculating intake, the nurse records 50 percent of this volume, which equals 120 mL. This standard practice ensures accuracy in fluid balance monitoring, as the air pockets in ice reduce the actual liquid yield significantly.
Choice B rationale
Tea is a liquid at room temperature and is recorded at its full volume. Converting 6 oz to milliliters requires multiplying by the conversion factor of 30 mL per ounce. Therefore, 6 oz of tea equals 180 mL of fluid intake. This exceeds the 120 mL target mentioned in the prompt. Accurate documentation of all oral fluids, including tea, coffee, and water, is essential for clients requiring strict monitoring of their renal or cardiac status.
Choice C rationale
Standard measuring cups in a clinical setting are typically equivalent to 8 oz or 240 mL. Therefore, 2 cups of soup would equal approximately 16 oz or 480 mL. Since soup is primarily liquid, it is recorded at its full volume in the intake record. This amount is far greater than the 120 mL requested. Nurses must be diligent in converting household measurements to metric units to maintain precise records of a client's total daily intake.
Choice D rationale
A quart is a large unit of volume measurement equivalent to 32 oz or approximately 4 cups. In the metric system, 1 quart is roughly equal to 946 mL, often rounded to 1000 mL or 1 liter in general clinical estimations. This volume is substantially higher than the 120 mL required for documentation. Monitoring water intake is a critical nursing responsibility, especially for clients at risk for fluid volume overload or those requiring specific hydration protocols.
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