This woman is a nurse. She works in a hospital.
She is giving a shot to a sick child.
Nurses attend nursing school.
X-ray technicians work in hospitals, medical clinics, and dental offices.
They take x-rays of broken bones and teeth.
An x-ray is a photo of hard tissue inside the body.
Ultrasound technicians use a machine to "see" soft tissue inside the body.
The pregnant woman is having an ultrasound.
An ultrasound shows the babies head, arms, legs, and heart.