A nurse who is mentoring a graduate nurse explains the correlation between severe blood loss and the effect on the client's mean arterial pressure (MAI The graduate nurse demonstrates correct understanding when he states which of the following:

It raises cardiac output and MAP.

It causes vasoconstriction and increased MAP.

There is no direct correlation to MAP.

Lower blood volume lowers MAP.

Answer and Explanation

The Correct Answer is D

A.   Severe blood loss actually decreases blood volume, which leads to decreased cardiac output and ultimately lower MAP.
B.   While it's true that the body initially responds to blood loss by vasoconstricting to maintain blood pressure, this compensatory mechanism can only last for so long. As blood loss continues, MAP will decrease.
C.   There is no direct correlation to MAP. MAP is directly influenced by cardiac output and systemic vascular resistance (SVR). Blood volume is a major determinant of both.
D.   A decrease in blood volume leads to decreased preload, which reduces cardiac output. This, in turn, lowers MAP.

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Correct Answer is B

Explanation

A. If there is no change in muscle strength after the Tensilon test, it indicates a negative result for myasthenia gravis.
B. Muscle contractions become progressively stronger is a positive result for myasthenia gravis. Tensilon temporarily improves muscle strength in patients with this condition.
C. Electrical charge in a muscle increases in intensity is not a relevant parameter for the Tensilon test.
D. A pill-rolling tremor appears is a symptom of Parkinson's disease, not myasthenia gravis.

A. The client who has chronic kidney disease B. The client experiencing an asthma attack C. The client who has Guillain-Barré syndrome D. The client who has a severe burn injury

Correct Answer is C

Explanation

A. This client is at risk for other complications such as electrolyte imbalances or heart failure, but not specifically neurogenic shock.
B. This client is experiencing respiratory distress, which is a different type of shock (anaphylactic or septic shock might be considered, but not neurogenic).

C. Guillain-Barré syndrome is an autoimmune disorder that affects the nervous system, often leading to paralysis. It can cause a rapid loss of muscle function, which can result in neurogenic shock due to loss of sympathetic nervous system tone.
D. This client is at risk for hypovolemic shock due to fluid loss, not neurogenic shock.

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A nurse who is mentoring a graduate nurse explains the correlation between severe blood loss and the effect on the client's mean arterial pressure (MAI The graduate nurse demonstrates correct understanding when he states which of the following:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has a suspected diagnosis of myasthenia gravis. The provider prescribes a Tensilon test. Which of the following findings indicates a positive test?

Correct Answer is B

Explanation

A nurse is providing care for a group of clients in the emergency department. Which of the following clients is at risk for developing neurogenic shock?

Correct Answer is C

Explanation

A nurse is reviewing the EKG strip of a client who has prolonged vomiting. Which of the following abnormalities on the client's EKG should the nurse interpret as a sign of hypokalemia?

A nurse is caring for a client who has heart failure and a prescription for digoxin 125 mcg PO daily. Available is digoxin PO 0.25 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.)

A nurse is caring for a client who is experiencing hypovolemic shock. Which of the following blood products should the nurse anticipate administering to this client?

A nurse is monitoring a client who is on telemetry. Which of the following findings on the ECG strip should the nurse recognize as normal sinus rhythm?

A nurse is preparing to administer meperidine 35 mg IM to a client every 6 hr PRN for pain. Available is meperidine injection 75 mg/mL. How m mL 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.)

A nurse in an urgent care center is assessing a client who reports a sudden onset of irregular palpitations, fatigue, and dizziness. The nurse finds a rapid and irregular heart rate with a significant pulse deficit. Which of the following dysrhythmias should the nurse expect to find on the ECG?

A nurse is caring for a client who has global aphasia. Which of the following actions should the nurse take?

A nurse is assessing a client who has disseminated intravascular coagulation (DIC). Which of the following findings should the nurse expect?