During the refractory stage of shock in hypovolemia, which of the following responses accurately describes the physiological changes that occur?

Increased cardiac output and improved tissue perfusion

Restored fluid balance and resolution of hypovolemia

Worsening organ dysfunction and failure

Decreased heart rate and improved blood pressure

Answer and Explanation

The Correct Answer is C

A. In the refractory stage, cardiac output is decreased and tissue perfusion is severely impaired, not improved.
B. Fluid balance is not restored during the refractory stage; instead, hypovolemia worsens.
C. The refractory stage is characterized by irreversible damage with worsening organ dysfunction and failure despite interventions.
D. Heart rate usually increases initially, and blood pressure typically decreases; decreased heart rate and improved blood pressure are not features of this stage.

Nursing Test Bank

Test Bank #1: RN Pharmacology Exams Test Bank #2: RN Medical-Surgical Exams Test Bank #3: RN Fundamentals Exams Test Bank #4: RN Maternal-Newborn Exams Test Bank #5: RN Anatomy and Physiology Exams Test Bank #6: RN Obstetrics and Pediatrics Exams Test Bank #7: RN Fluid and Electrolytes Exams Test Bank #9: RN Adult Health Test Bank #10: RN Dosage Calculation Test Bank #11: RN Community Health Exams Test Bank #12: RN Psychology Exams Test Bank #13: RN Nursing Care Of Children Test Bank #14: RN Foundations of Nursing Exams

Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Exam #1: RN Comprehensive predictor 2023 proctored exam Exam #2: Ati rn vati comprehensive predictor proctored exam Exam #3: Ati Rn Comprehensive Predictor Proctored Exam 2023 Exam #4: Rn Comprehensive Predictor 2023 Proctored Exam - St. Joseph Exam #5: RN Comprehensive Predictor Proctored Exam (National U CA San Diego) Exam #6: Ati rn comprehensive predictor 2023 retake proctored exam Exam #7: RN Hesi Exit Proctored Exam Exam #8: Hesi RN Exit proctored exam Exam #9: Hesi rn exit proctored exam Exam #10: Hesi Rn compass exit B proctored exam

Free Nursing Study Resources

Correct Answer is A

Explanation

A. The view of the electrical current changes in relation to the lead placement – Each ECG lead offers a different angle or view of the heart's electrical activity, so the waveforms in leads I, II, and III naturally look different. This variation helps clinicians assess different parts of the heart.
B. Conduction of the heart differs with lead placement – The heart's electrical conduction system functions independently of lead placement; only the view of the conduction changes.
C. Electrocardiogram (ECG) equipment has malfunctioned – Lead differences are expected and normal; this is not a sign of malfunction.
D. The circadian rhythm has changed – Circadian rhythms affect general physiological patterns but do not cause variation in ECG lead appearance.

A. Epinephrine B. Dobutamine C. Methylprednisolone D. Furosemide

Correct Answer is A

Explanation

A. Epinephrine – Epinephrine is the first-line treatment for anaphylactic shock. It rapidly reverses airway constriction, hypotension, and swelling by stimulating alpha and beta-adrenergic receptors, leading to bronchodilation, vasoconstriction, and increased cardiac output.
B. Dobutamine – Dobutamine is a positive inotrope used to treat cardiogenic shock and may support cardiac output, but it does not address the airway or allergic component of anaphylaxis.
C. Methylprednisolone – This corticosteroid may be given to reduce inflammation and prevent delayed reactions, but it has a slower onset of action and is not the priority in emergency management.
D. Furosemide – This diuretic is used in fluid overload or pulmonary edema, not in the management of anaphylaxis.

View Question and Answer

Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.

Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today

During the refractory stage of shock in hypovolemia, which of the following responses accurately describes the physiological changes that occur?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse notes that leads I, II, and III differ from one another on the cardiac rhythm strip because:

Correct Answer is A

Explanation

A nurse is caring for a client who is has developed anaphylactic shock in response to the ingestion of strawberries. Which of the following medications should the nurse administer first?

Correct Answer is A

Explanation

A nurse is caring for a client who is at risk for developing shock. Which of the following findings is the earliest indicator that this complication is occurring?

What is the nurse's priority when caring for a patient in septic shock?

When auscultating the breath sounds of a client with pericarditis, the nurse would expect to find which of the following?

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 caring for a client who is in the compensatory stage of shock. Which of the following findings should the nurse expect?

A nurse is caring for a client who has hypovolemic shock. Which of the following should the nurse recognize as an expected finding?

Nurses in intensive care units commonly care for clients in varying stages of various types of shock. Which of the following is the most common cause of death in intensive care units in the United States?

A nurse is assessing a client who has infective endocarditis. Which of the following findings should be the priority for the nurse to report to the provider?