The surgical ICU nurse is caring for postoperative clients at risk for hypovolemic shock. Which condition represents an early symptom of shock?

Tachypnoea

Heart blocks

Vomiting

Bradycardia

Hypotension

Answer and Explanation

The Correct Answer is A

Tachypnoea, which refers to an increased respiratory rate, is an early symptom of hypovolemic shock. It is the body's compensatory response to inadequate tissue perfusion and decreased oxygen delivery. The increased respiratory rate is an attempt to improve oxygenation and maintain vital organ function.
B. Heart blocks in (option B) are incorrect because Heart blocks refer to disruptions in the electrical conduction system of the heart and are not specific to hypovolemic shock.
C. Vomiting in (option C) is incorrect because: Vomiting may occur in various conditions, including shock, but it is not exclusive to hypovolemic shock and can be present in other forms of shock or illnesses.
D. Bradycardia in (option D) is incorrect because Bradycardia, or a slow heart rate, is not typically an early symptom of hypovolemic shock. Instead, tachycardia (rapid heart rate) is more commonly observed as a compensatory response to maintain cardiac output.
E. Hypotension in (option E) is incorrect because Hypotension, or low blood pressure, can occur in hypovolemic shock but is generally considered a later-stage symptom. In the early stages, compensatory mechanisms may help maintain blood pressure, so hypotension may not be present initially.
F. Bradypnea in (option F) is incorrect because: Bradypnea refers to a slow respiratory rate, which is not typically an early symptom of hypovolemic shock. Tachypnoea, as mentioned earlier, is the more common early respiratory symptom.

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Correct Answer is A

Explanation

This pathway represents the normal sequence of electrical impulses that coordinate the contraction and relaxation of the heart chambers.
The electrical signal originates from the sinoatrial (SA) node, which is often referred to as the natural pacemaker of the heart. It is located in the right atrium and generates the electrical impulses that initiate each heartbeat. From the SA node, the electrical signal travels to the atrioventricular (AV) node, which is located at the junction between the atria and ventricles.
After passing through the AV node, the electrical impulse travels through the bundle of His (also known as the atrioventricular bundle) and divides into the right and left bundle branches. These branches continue the conduction pathway and deliver the electrical signal to the Purkinje fibers.
The Purkinje fibers spread the electrical impulse rapidly throughout the ventricles, stimulating the contraction of the ventricular muscle and allowing for efficient pumping of blood out of the heart.
Therefore, the correct sequence of the normal conduction pathway in the heart is:
A. SA node - AV node - bundle of His - bundle branches - Purkinje fibers.

A. Sterile dressing changes B. Emotional support C. Fluid resuscitation D. Range-of-motion exercises

Correct Answer is C

Explanation

In the initial 24 hours after burn injury, fluid resuscitation is a critical priority in the management of burn patients. Burn injuries can lead to significant fluid loss, both locally at the burn site and systemically due to increased capillary permeability. Fluid resuscitation aims to restore and maintain adequate intravascular volume, ensuring sufficient tissue perfusion and organ function.
The Parkland Formula is commonly used to guide fluid resuscitation in burn patients. It involves calculating the total volume of fluid needed in the first 24 hours, with a portion given in the initial hours after injury and the remainder given over the remaining hours.
A. Sterile dressing changes (option A) are incorrect because they are important in wound care management for burn patients to prevent infection. However, fluid resuscitation takes precedence within the first 24 hours.
B. Emotional support (option B) is incorrect because it is an essential aspect of burn care, as burn injuries can have a significant psychological impact. While emotional support is crucial for the patient's overall well-being, it may not be the highest priority within the first 24 hours compared to addressing the physiological needs of fluid resuscitation.
D. Range-of-motion exercises (option D) are incorrect because they are important for preventing contractures and maintaining joint mobility in burn patients. However, they are typically initiated after the initial fluid resuscitation phase and wound stabilization.
Therefore, the priority the nurse anticipates within the first 24 hours for a 31-year-old male patient with burn injuries is fluid resuscitation.

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The surgical ICU nurse is caring for postoperative clients at risk for hypovolemic shock. Which condition represents an early symptom of shock?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The normal pathway of the conduction system is which one of the following?

Correct Answer is A

Explanation

A 31-year-old male patient with burn injuries is admitted to the burn unit. Which priority does the nurse anticipate within the first 24 hours?

Correct Answer is C

Explanation

The nurse needs to estimate quickly the heart rate of a patient with a regular heart rhythm. Which method will be best to use?

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The nurse is caring for a patient who has septic shock. Which assessment finding is most important for the nurse to report to the health care provider?

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What typical sign/symptom indicates the early stage of septic shock?

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