Which of the following scenario describes a telehealth service?

a$.$ Dr$.$ Jonag was cleaning out the garage when he had a sudden pain in his hand when picking up some boxes. He scheduled an online appointment with his physician at the Hand Matters Clinic for later in the day. He went to the clinic, where the physician was able to examine his hand.

b$.$ Montana developed a spot on her chin after cleaning out the shed. She decided to call her physician and the physician set up a video appointment with her.

c$.$ Perez was working on repairing the roof on the house when he fell off his ladder. His partner called $911$ and an emergency vehicle was dispatched. Perez was taken to the emergency room.

d$.$ Donitric was riding his bicycle when a car bumped him slightly and knocked him into a ditch. Luckily, he suffered no serious injuries, but he went to the emergency room for a checkup to be safe.