A group of nursing students are studying the conduction system of the heart. The nursing students should recognize that the pacemaker of the heart is known as
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Answer and Explanation

The Correct Answer is {"dropdown-group-1":"C"}

The pacemaker of the heart is known as the sinoatrial (SA) node. The SA node is a specialized group of cells located in the right atrium of the heart. It generates electrical impulses that initiate each heartbeat and set the rhythm for the entire heart.

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Correct Answer is C

Explanation

A. Checks the instrument gauge to ensure the reading starts at zero:

This action is correct. Before taking a blood pressure reading, it's essential to ensure that the instrument's gauge starts at zero. This ensures accurate measurement as the reading reflects the pressure above zero.

B. Centers the cuff bladder over the client's brachial artery:

This action is correct. Proper placement of the blood pressure cuff over the brachial artery is crucial for accurate readings. Centering the cuff ensures that the artery is correctly compressed for measurement.

C. Places the client's arm above the level of the client's heart:

This action is incorrect. Placing the arm above heart level can result in a falsely low blood pressure reading. The arm should be at the same level as the heart to obtain an accurate measurement.

D. Wraps the blood pressure cuff around the client's arm using firm pressure:

This action is correct, but it's important to note that while the cuff should be snug, it should not be too tight or too loose. Wrapping the cuff with firm, even pressure ensures proper compression of the artery for an accurate measurement.

A. Wheezing B. Friction rub C. Stridor D. Crackles

Correct Answer is B

Explanation

A. Wheezing: Wheezing is a continuous, high-pitched whistling sound usually heard during expiration. It is often associated with narrowed airways, such as in asthma or chronic obstructive pulmonary disease (COPD). Wheezing occurs due to the turbulent airflow through narrowed bronchi or bronchioles and is not typically associated with pleuritis.

B. Friction rub: Pleuritis, or inflammation of the pleura, can cause a friction rub. This sound occurs when the inflamed pleural layers rub against each other during breathing. It's a grating or rubbing sound heard on auscultation and is a hallmark sign of pleuritis.

C. Stridor: Stridor is a high-pitched, harsh sound heard during inspiration and sometimes expiration. It is often a sign of upper airway obstruction, such as in croup or anaphylaxis. Stridor results from turbulent airflow through a partially obstructed or narrowed larynx or trachea.

D. Crackles: Crackles, also known as rales, are brief, discontinuous, popping sounds heard on inspiration. They can be fine or coarse and are often associated with conditions that cause fluid or secretions in the alveoli or small airways, such as pneumonia or heart failure. Crackles are not typically associated with pleuritis.

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A group of nursing students are studying the conduction system of the heart. The nursing students should recognize that the pacemaker of the heart is known as dropdown

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Naxlex Comprehensive Predictor Exams

A nurse is teaching a client's partner about how to obtain a blood pressure reading. Which of the following actions by the partner indicates a need for further instruction?

Correct Answer is C

Explanation

A client diagnosed with pleuritis has been admitted to the hospital and complains of pain with breathing. Which of the following assessment findings should the nurse expect when auscultating a client with pleuritis?

Correct Answer is B

Explanation

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The nurse is auscultating heart sounds on a client and hears an extra sound late in diastole, just before the S1. How should the nurse document this finding?

The nurse is auscultating the lungs of a sleeping client and hears short, popping, crackling breath sounds that stop after a few breaths. The nurse recognizes that these breath sounds are:

A group of nursing students are studying the conduction system of the heart. The nursing students should recognize that the pacemaker of the heart is known as
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