40 Questions
What is the name of the bone that forms the lower jaw?
Mandible
Which bone is responsible for supporting the base of the tongue, the pharynx, and the larynx?
Hyoid bone
What is the name of the joint that allows the head to pivot side to side?
Atlantoaxial joint
Which region of the vertebral column is located dorsal to the thorax?
Thoracic
What is the name of the bony structure that forms a joint with the pelvis on each side?
Sacral vertebrae
Which part of the rib is made of cartilage?
Ventral end
Which bone in the skull forms part of the eye orbit?
Lacrimal bone
How many cervical vertebrae are present in dogs and cats?
7
What is the name of the bony structure that surrounds the tympanic cavity in the middle ear?
Tympanic bulla
Which part of the vertebra houses the spinal cord?
Arch
Which of the following is NOT part of the axial skeleton?
Femur
How many bones make up the skull in domestic animals?
37-38
Which of the following bones is NOT part of the cranium?
Mandible
What is the collective name for the three tiny pairs of bones located in the middle ear?
Ossicles
Which of the following bones houses the pituitary gland?
Sphenoid
Which of the following is NOT a bone of the cranium?
Hyoid
What type of joints hold the bones of the skull together?
Fibrous immovable joints
Which of the following bones is located in front of the sphenoid bone?
Ethmoid
Through which bone do the branches of the olfactory (sense of smell) nerves pass to reach the brain?
Ethmoid
What is the term used to describe the appendages of the trunk?
Limbs
What is the cartilaginous part of the rib called?
Costal cartilage
What is the function of the pelvis in the appendicular skeleton?
All of the above
What is the role of the ilium within the pelvis?
It projects up in a dorsocranial direction and forms the sacroiliac joints with the sacrum
What is the junction between the bony and cartilaginous parts of the rib called?
Costochondral junction
Which of the following is the cranial part of the thorax?
Sternal ribs
What is the function of the obturator foramina in the pelvis?
They lighten the pelvis
What is the role of the patella in the appendicular skeleton?
All of the above
What is the caudal part of the thorax called?
Asternal ribs
What is the primary function of the fibula in the appendicular skeleton?
It serves as a muscle attachment site
Which of the following is another name for the breastbone?
Sternum
What is the most cranial part of the sternum called?
Manubrium
What is the role of the tibial tarsal bone in the tarsus (hock) joint?
All of the above
Which of the following is the most caudal part of the sternum?
Xiphoid process
How many metatarsal bones are typically present in the hindlimb of dogs and cats?
4
What is the appendicular skeleton made up of?
The bones of the main appendages of the animal
What is the function of the pelvic/pubic symphysis?
Both a and c
What is the role of the ischial tuberosity?
Both a and b
What is the forelimb of the appendicular skeleton called?
Thoracic limb
What is the purpose of the acetabulum in the pelvis?
It is the location where the three pelvic bones (ilium, ischium, pubis) come together
Which of the following is the most proximal bone of the thoracic limb?
Scapula
Test your knowledge on the major divisions and organization of the human skeleton. Learn to identify and name the main bones in the body, including those in the axial and appendicular skeleton.
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