Answer:
<em><u>"The number of squares between each QRS complex and multiplying by 40 milliseconds. Gives you the cycle length of a patient's heart rate. You then divide 60,000."</u></em>
A buffer
Explanation:
A buffer is composed of a weak acid and a conjugate base. They are resistant to pH because of equilibrium between the acid and its conjugate base.
Answer: D i believe
