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What is the rate on the rhythm strip in the image below?

C:\Users\USER\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\F88374E1.tmp

A.

90

B.

110

C.

73

D.

50

Answer and Explanation

The Correct Answer is A

A. To determine the heart rate from a rhythm strip, you can count the number of R-R intervals in a set time frame (typically 6 seconds) and multiply by 10 to convert to beats per minute. If the rhythm is regular, you can also use the 300 method by dividing 300 by the number of large squares between R waves. In this case, the rate is calculated to be 90 beats per minute.

 

B. A heart rate of 110 beats per minute would be classified as tachycardia and is not supported by the observed intervals.


C. A heart rate of 73 beats per minute would be a normal resting heart rate but does not match the calculation from the rhythm strip.


D. A heart rate of 50 beats per minute would indicate bradycardia, which is not reflected in this rhythm strip.


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View Related questions

Correct Answer is B

Explanation

A. Auscultating the area may not provide information about the dorsalis pedis pulse, which is a palpated pulse.

B. Using Doppler ultrasonography is the most appropriate next step to locate the dorsalis pedis pulse if it cannot be palpated, as it provides a non-invasive way to detect blood flow.

C. While documenting the absence of the pulse is necessary, it should be done after attempts to locate the pulse have been made.

D. It is not immediately necessary to ask a provider to assess the pulse; the nurse can use Doppler ultrasonography first to gather more information.

Correct Answer is B

Explanation

A. A pulse oximeter is used to measure oxygen saturation and is not relevant to cochlear dysfunction.

B. A hearing aid is appropriate for someone with cochlear dysfunction as it can help amplify sound and improve hearing, indicating the client is adapting to the hearing loss.

C. Eyeglasses are used for vision problems and do not relate to the function of the cochlear division of the vestibulocochlear nerve.

D. A bath thermometer is used to measure water temperature and is not relevant to auditory issues.

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