Which of the following is true?* 5 points
The waves in the ECG cycle represent the number of heartbeats.
The time of electrical recovery in the ventricles before a new heartbeat starts is
known as ventricular depolarization.
Electrical impulses in the heart cause the muscle to contract.
Muscle tissue in most body organs are able to stimulate their own contractions.

76 year-old has dermatochalasis on bilateral upper eyelids. a blepharoplasty will be performed on the eyelids. a lower incision line was marked at approximately 5 mm above the lid margin along the crease. then using a pinch test with forceps the amount of skin to be resected was determined and marked. an elliptical incision was performed on the left eyelid and the skin was excised. in a similar fashion the same procedure was performed on the right eye. the wounds were closed with sutures. the correct cpt® code(s) is/are? a. 15822, 15823-51b. 15823-50c. 15822-50d. 15820-lt, 15820-rt