Skeletal System POWERPOINT #2

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Questions and Answers

Which of the following is NOT one of the two internal bones of the cranium and face?

  • ALL
  • Sphenoid
  • Maxilla (correct)
  • Sphenoid

Bones that make up the pelvis

  • Ischium, Illium, sacrum
  • Ischium, xyphoid, pubis
  • Illium, ischium, pubis (correct)
  • Illium, xyphoid, pubis

Which bone supports the base of the tongue, pharynx, and larynx?

  • Sternal bone
  • Coccygeal bone
  • Hyoid bone (correct)
  • Scapula bone

What are the vertebral formulas for the horse

<p>7, 18, 6, 5, 15-21 (A)</p> Signup and view all the answers

Which region of the vertebral column is dorsal to the pelvis?

<p>Sacral (B)</p> Signup and view all the answers

Which bone forms a joint with the humerus and has a prominent longitudinal ridge on its lateral surface?

<p>Scapula (B)</p> Signup and view all the answers

Which bones form the major portion of the elbow joint and have an olecranon process?

<p>Ulna (D)</p> Signup and view all the answers

Which bone forms a joint with the pelvis and is fused together to form a single structure called the sacrum?

<p>Sacral vertebrae (D)</p> Signup and view all the answers

tucks into the olecranon fossa located on the distal end of humerus when the elbow is straightened

<p>Anconeal process (D)</p> Signup and view all the answers

Which bone in the appendicular skeleton is the main weight-bearing bone between the radius and ulna and helps form the elbow joint?

<p>Radius (B)</p> Signup and view all the answers

Ventral ends of the ribs have two parts

<p>Dorsal made of bone, Ventral made of cartilage (D)</p> Signup and view all the answers

Which bone in the appendicular skeleton corresponds to our fingers and extends distally from the distal row of carpal bones to the proximal phalanges?

<p>Metacarpal bones (D)</p> Signup and view all the answers

How many phalanges make up each digit in the appendicular skeleton?

<p>3 (C)</p> Signup and view all the answers

Which bone in the appendicular skeleton is made up of rod-like bones called sternebrae and is located at the first and most cranial part of the sternum?

<p>Manubrium (B)</p> Signup and view all the answers

What supports all the weight of the abdominal organs

<p>Lumbar vertebrae (C)</p> Signup and view all the answers

Bones of the axial skeleton

<p>Vertebral column and ribcage (D)</p> Signup and view all the answers

The sacrum forms a joint with the pelvis, what is it called

<p>Sacroilliac joint (C)</p> Signup and view all the answers

Glenoid cavity

<p>Articular surface of the scapula (C)</p> Signup and view all the answers

Makes up the bones of the tail

<p>Coccygeal vertebrae (B)</p> Signup and view all the answers

The costal cartilage either joins

<p>The sternal ribs or asternal ribs (D)</p> Signup and view all the answers

Where is the hyoid bone located in the body?

<p>In the neck (C)</p> Signup and view all the answers

What are the internal bones of the face?

<p>Palatine, Pterygoid, Vomer, Turbinates (A)</p> Signup and view all the answers

How is the appendicular skeletal system divided?

<p>Into the thoracic limb (front leg) and the pelvic limb (hind leg) (D)</p> Signup and view all the answers

The two internal bones of the cranium

<p>Ethmoid and Sphenoid (B)</p> Signup and view all the answers

Which bones make up the internal bones of the cranium and face?

<p>Ethmoid and sphenoid (B)</p> Signup and view all the answers

Junction of bone and cartilage in the ribs is called

<p>Costochondral junction (A)</p> Signup and view all the answers

What is the function of the hyoid bone?

<p>To support the base of the tongue, pharynx, and larynx (C)</p> Signup and view all the answers

Describe the design and function of the vertebral column.

<p>All of the above (D)</p> Signup and view all the answers

Lumbar vertebrae of the dog and cat

<p>L1-L7 (C)</p> Signup and view all the answers

What are the characteristics of the sternum?

<p>It is a long, flat bone located in the thoracic region (C)</p> Signup and view all the answers

Vertebral formula for dog

<p>7, 13, 7, 3, 20-23 (C)</p> Signup and view all the answers

Landmarks of the thoracic limb

<p>Tall spinous process, lateral articular facets, forms joint with ribs (A)</p> Signup and view all the answers

Typical characteristics of vertebral column

<p>Body, processes, arch/vertebral foramen (A)</p> Signup and view all the answers

Can you identify the bones of the thoracic limb?

<p>Scapula, humerus, radius, ulna, carpal bones, metacarpal bones, phalanges (C)</p> Signup and view all the answers

Identify the bones of the pelvic limb

<p>Pelvis, Femur, tibia, fibula, tarsal bones, metatarsal bones, phalanges (A)</p> Signup and view all the answers

How many phalanges make up each digit in the appendicular skeleton?

<p>3 (A)</p> Signup and view all the answers

Carpus is comprised of how many bones?

<p>3 proximal 4 distal (D)</p> Signup and view all the answers

What are the vertebral formulas for the cat

<p>7, 13, 7, 3, 5-23 (A)</p> Signup and view all the answers

Sternum has 2 landmarks, cranial and caudal sternabrae what are their names

<p>Cranial manubrium, caudal xiphoid (B)</p> Signup and view all the answers

long process where shoulder muscles attach

<p>Tubercles (B)</p> Signup and view all the answers

Which row of carpal bones in the appendicular skeleton is parallel to the proximal row?

<p>Distal row (B)</p> Signup and view all the answers

Bodies of adjacent vertebrae are separated by

<p>Intervertebral discs (D)</p> Signup and view all the answers

Which bone in the appendicular skeleton is located between the scapula and the radius and ulna?

<p>Humerus (A)</p> Signup and view all the answers

Bones of the appendicular skeleton

<p>Thoracic limb, pelvic limb (C)</p> Signup and view all the answers

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Study Notes

Bones of the Cranium and Face

  • The two internal bones of the cranium are the ethmoid and sphenoid bones.
  • The hyoid bone supports the base of the tongue, pharynx, and larynx.
  • Vertebral Column Regions: The lumbar region is dorsal to the pelvis.

Elbow Joint and Bones

  • The scapula forms a joint with the humerus and features a prominent longitudinal ridge on its lateral surface.
  • Olecranon process is part of the ulna, which forms a major portion of the elbow joint.
  • The sacrum is formed by fused vertebrae and articulates with the pelvis.

Appendicular Skeleton Components

  • The radius is the main weight-bearing bone between the radius and ulna, forming part of the elbow joint.
  • The carpals, a series of bones in the wrist, connect to the hand bones known as metacarpals which extend to the phalanges (fingers).
  • Typically, each digit has three phalanges except for the thumb, which has two.
  • The sternum consists of rod-like bones called sternebrae, providing structure to the chest.

Abdominal and Pelvic Support

  • The abdominal organs are supported by the pelvic girdle and surrounding bones.
  • The glenoid cavity is a shallow socket in the scapula that articulates with the head of the humerus.

Thoracic and Pelvic Limbs

  • The carpus is comprised of eight carpal bones in two rows.
  • Identification of bones in the thoracic limb includes the humerus, radius, and ulna, while the pelvic limb includes the femur, tibia, and fibula.

Vertebral Column and Ribs

  • The body's weight is supported by bodies of adjacent vertebrae separated by intervertebral discs.
  • Costal cartilage connects ribs to the sternum at the junction of bone and cartilage.

Vertebral Formulas

  • The vertebral formula for a horse is C7 T18 L6 S5.
  • The vertebral formula for a dog is C7 T13 L7 S3, and for a cat, it is typically C7 T13 L7 S3 as well.

Sternum Characteristics

  • The sternum features cranial and caudal sternebrae as distinct landmarks.

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