How Should the Nurse Calculate the Heart Rate from a Rhythm

question 6

Multiple Choice

How should the nurse calculate the heart rate from a rhythm strip?

• A)Count the number of R waves in 30 large blocks and multiply by 10.
• B)Count the number of small squares in a 3-second period and multiply by 0.20.
• C)Count the number of large squares and multiply by 3.
• D)Count the number of P waves in a 0.04 second and multiply by 5.

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Definitions:

Canola Oil

A vegetable oil derived from the seeds of the canola plant, known for its low content of saturated fat.

Reagent

A material or blend employed in chemical processes for the detection, quantification, analysis, or generation of different materials.

NaOH

Sodium hydroxide, a strong base used in various chemical reactions and industrial applications.

Ag(NH3)2+

The diamminesilver(I) ion, a complex ion used in the Tollens' test for aldehyde detection, indicating the presence of an aldehyde group when it reduces to metallic silver.