EXPECTED QUESTIONS ANSWERS Que. What is a cardinal sign? Ans. Cardinal sign is also called vital sign. In it, body temperature, pulse, respiration, blood pressure, pain, oxygen level etc. parameters are measured. Que. What is Tachycardia and Bradycardia? Ans. When the heart rate in the body is more than 100 beats per minute, it is called tachycardia and if the pulse is less than 60 beats per minute, it is