WorksheetsCSHR Skeletal MCAT
Total questions: 6
Worksheet time: 6mins
A doctor oberves a teenager who noticed that one of his legs is about two inches longer than the other. He also sees that the patient had broken one of his legs when he was 8 years old, but the patient's notes don't indicate which leg. What conclusion is the doctor likely to come to?
The patient broke the shorter leg on the epiphyseal plate.
The patient broke the longer leg on the periosteum.
The patient broke the longer leg on the epiphyseal plate.
The patient broke the shorter leg on the diaphysis.
The patient broke the longer leg in the diaphysis.
Which of the following is true relating cartilage to the skeletal system?
Cartilage is not found in joints and vertebral discs
There are two types of cartilage
Cartilage is produced via the breakdown of muscle and bone
Cartilage is an intermediate that is stiffer than muscle, but softer than bone
The diaphysis is able to grow in length because of thin layers of cartilage cells located in which of the following regions?
Marrow
Medullary cavity
Haversian canal
Epiphyseal plate
Periosteum
What type of bone cell is responsible for resorbing bone tissue?
Lacunae
Osteocytes
Osteoclasts
Osteoblasts
In childbirth, the child’s skull is flexible due to fontanelles, or soft regions that are composed of connective tissue. Through what process does the connective tissue of the infant’s skull become bone?
Intramembranous ossification
Endochondral ossification
Bony secretion
Compact bone resorption
__________ function to synthesize bone tissue and __________ function to reabsorb bone tissue.
Osteoblasts . . . osteoclasts
Osteoclasts . . . osteoblasts
Osteoblasts . . . osteoblasts
