A nurse and a newly licensed nurse are providing care for a client who has distributive shock. How should the nurse explain the pathophysiology of distributive shock to the newly licensed nurse?

"Distributive shock occurs due to loss of myocardial contractility."

"Distributive shock occurs due to loss of blood volume."

"Distributive shock occurs due to systemic vasodilation."

"Distributive shock occurs due to increased systemic vascular resistance."

Answer and Explanation

The Correct Answer is C

A. "Distributive shock occurs due to loss of myocardial contractility": This statement is incorrect. Distributive shock is not primarily caused by loss of myocardial contractility. Instead, distributive shock is characterized by widespread vasodilation, which leads to inadequate tissue perfusion despite normal or high cardiac output.

B. "Distributive shock occurs due to loss of blood volume": This statement is inaccurate. Distributive shock is not primarily caused by loss of blood volume. While hypovolemia (loss of blood volume) can lead to shock, distributive shock specifically involves excessive vasodilation, resulting in a relative hypovolemia due to pooling of blood in the expanded vascular bed.

C. "Distributive shock occurs due to systemic vasodilation": This statement is correct. Distributive shock, also known as vasodilatory shock, occurs due to widespread vasodilation of the systemic vasculature. This vasodilation leads to a decrease in systemic vascular resistance, which results in the redistribution of blood flow away from vital organs and tissues, leading to inadequate tissue perfusion and shock.

D. "Distributive shock occurs due to increased systemic vascular resistance": This statement is incorrect. Distributive shock is characterized by decreased systemic vascular resistance due to vasodilation, not increased systemic vascular resistance. Increased systemic vascular resistance is more commonly associated with conditions such as hypertension or obstructive shock.

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 B

Explanation

A. The heart's electrical transmission through the atrioventricular (AV) node is unusually slow: This statement does not align with the manifestations of dizziness and palpitations in atrial fibrillation. A slow conduction through the AV node would typically manifest as bradycardia or heart block rather than rapid and irregular palpitations.

B. The heart's electrical signals are rapid, chaotic, and irregular: This is the correct answer. Atrial fibrillation is characterized by rapid, chaotic, and irregular electrical signals in the atria, leading to ineffective atrial contractions and an irregular ventricular response. The irregularity and rapidity of the heart rate can lead to symptoms such as palpitations and dizziness.

C. An early electrical signal occurs before the expected sinoatrial (SA) node signal: This statement does not accurately describe the mechanism of atrial fibrillation. Atrial fibrillation involves disorganized electrical activity in the atria, rather than a single early electrical signal.

D. The SA node sends an electrical signal greater than 100/min: While a heart rate greater than 100/min (tachycardia) is commonly associated with atrial fibrillation, this statement does not fully explain the manifestations of dizziness and palpitations. These symptoms are more directly related to the irregularity and chaotic nature of the heart's electrical signals in atrial fibrillation.

A. Myopia B. Vertigo C. Photophobia D. Presbycusis

Correct Answer is B

Explanation

A. Myopia: Myopia refers to nearsightedness, which is caused by refractive errors in the eye and is not associated with Meniere's disease. Myopia results in difficulty seeing distant objects clearly.

B. Vertigo: Vertigo is a hallmark symptom of Meniere's disease and is caused by an excessive accumulation of endolymph fluid in the inner ear. Vertigo presents as a sensation of spinning or dizziness, often accompanied by nausea, vomiting, and imbalance.

C. Photophobia: Photophobia refers to sensitivity to light, which can be associated with various eye conditions but is not a typical manifestation of Meniere's disease. Photophobia may occur in conditions such as migraine headaches or certain eye infections.

D. Presbycusis: Presbycusis refers to age-related hearing loss, which typically occurs gradually over time and is not directly associated with Meniere's disease. Meniere's disease is characterized by sudden episodes of vertigo, hearing loss, tinnitus, and a sensation of fullness or pressure in the ear.

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

A nurse and a newly licensed nurse are providing care for a client who has distributive shock. How should the nurse explain the pathophysiology of distributive shock to the newly licensed nurse?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is providing teaching to a client who has atrial fibrillation and reports dizziness and palpitations. Which of the following should the nurse understand is the cause of these manifestations?

Correct Answer is B

Explanation

A nurse is caring for a client who has Meniere’s disease. The nurse identifies that which of the following manifestations is caused by an excessive accumulation of endolymph fluid?

Correct Answer is B

Explanation

A nurse is assessing a client who reports manifestations of tinnitus. Which of the following actions should the nurse perform to determine if movement is causing the clients manifestations to worsen?

A nurse is teaching a client who has peripheral venous disease about management of symptoms. Which of the following client statements indicates to the nurse an understanding of the teaching?

A nurse is teaching a group of clients about risk factors for developing atrial flutter. Which of the following clients should the nurse understand is at highest risk for developing atrial flutter?

A nurse is performing preoperative assessments on a client who has a suspected detached retina. Which of the following should the nurse expect to find?

A nurse is collecting data from a client related to changes in vision. Which of the following statements indicates that the client might be developing a cataract?

A nurse is teaching a client who has pericarditis. Which of the following statements should the nurse include in the client teaching to explain the cause of pericarditis?

A nurse is assessing a client who is experiencing an episode of tinnitus. Which of the following statements from the client indicates that the tinnitus might be affecting their well-being?

A nurse is assessing a client who has peripheral venous disease. Which of the following findings should the nurse recognize as a manifestation of peripheral venous disease?