The nurse is preparing to assess the heart rate on an adult female client. The nurse recognizes that the apical pulse can be assessed in an adult female at which of the following anatomical position?

Fifth left intercostal space at the midclavicular line

Third left intercostal space at the midclavicular line

Fourth left intercostal space at the sternal border

Under the left breast at the midclavicular line

Answer and Explanation

The Correct Answer is A

A. Fifth left intercostal space at the midclavicular line:

Explanation: The apical pulse, or the point of maximal impulse (PMI), is typically located at the fifth intercostal space at the midclavicular line on the chest. This is the area where the heartbeat is best heard using a stethoscope in most adults.

B. Third left intercostal space at the midclavicular line:

Explanation: This location is too high for the apical pulse. The heart's apex is generally not found at the third intercostal space; it's lower, closer to the fifth intercostal space.

C. Fourth left intercostal space at the sternal border:

Explanation: This location is not the typical site for auscultating the apical pulse. The PMI is usually heard at the midclavicular line, not at the sternal border.

D. Under the left breast at the midclavicular line:

Explanation: This position is not precise enough for auscultating the apical pulse. The specific intercostal space (fifth) and midclavicular line are crucial for accurate assessment.

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

Explanation

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.

A. The atria contract toward the end of diastole and push the remaining blood into the ventricles. B. The atria contract during systole and attempt to push against closed valves. C. Atrial kick is the pressure exerted against the atria as the ventricles contract during systole. D. Contraction of the atria at the beginning of diastole can be felt as a palpitation.

Correct Answer is A

Explanation

A. The atria contract toward the end of diastole and push the remaining blood into the ventricles.

This choice is correct. During atrial systole (atrial contraction), the atria contract, pushing the remaining blood into the ventricles. This additional filling of the ventricles optimizes cardiac output.

B. The atria contract during systole and attempt to push against closed valves.

This statement is incorrect. The atria do not contract during systole; they contract during diastole (atrial systole) to fill the ventricles.

C. Atrial kick is the pressure exerted against the atria as the ventricles contract during systole.

This statement is incorrect. Atrial kick refers to the atrial contraction, not the pressure exerted against the atria.

D. Contraction of the atria at the beginning of diastole can be felt as a palpitation.

This statement is not entirely accurate. A palpitation is a sensation of rapid or strong heartbeat, which might be felt during various cardiac events, not specifically during atrial contraction at the beginning of diastole.

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The nurse is preparing to assess the heart rate on an adult female client. The nurse recognizes that the apical pulse can be assessed in an adult female at which of the following anatomical position?

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Naxlex Comprehensive Predictor Exams

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

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

Explanation

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Correct Answer is A

Explanation

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The nurse is preparing to assess the heart rate on an adult female client. The nurse recognizes that the apical pulse can be assessed in an adult female at which of the following anatomical position?