Portage Learning: A&P 1 Lab 4 Correct 100%
The Lambdoidal suture marks the division of which cranial bones? - ANSWERSOccipital bone and Parietal bones
Which endocrine gland is situated in the cranial bone pictured above (highlighted in blue)? - ANSWERSThe pituitary gland
Which facial bone is pictured above (highlighted in blue)? - ANSWERSThe left nasal bone
Which facial bone is pictured above (highlighted in blue)? - ANSWERSThe right maxilla bone.
Identify the atypical vertebra pictured above. Explain how you know which specific vertebra it is. - ANSWERSC1 Atlas vertebra has a large vertebral foramen and lacks a vertebral body.
Based upon appearance, state which division of the vertebral column the vertebra pictured above belongs to, and explain your answer. - ANSWERSThis is a typical cervical vertebra. It has a small vertebral body and transverse foramen which allow for passage of the vertebral arteries.
Identify the bony landmark the lab instructor is specifying with her fingers, and describe the function of this landmark. - ANSWERSInferior articular facets join this vertebra to the vertebra inferior to it.
Identify the region of the sternum specified by the lab instructor, and state which ribs articulate to this region. - ANSWERSThis is the region of the gladiolus or the body of the
sternum. Ribs 2-10 attach directly or indirectly to the body of the sternum.
Which of the following ribs is pictured above (highlighted in blue)?
True rib True rib False rib
Floating rib - ANSWERSTrue rib True rib (This is specifically rib 4. Anteriorly, it attaches to the sternum directly by way of its own costal cartilage.)
Identify the region of the scapula specified by the lab instructor. - ANSWERSSubscapular fossa (anterior surface of the scapula)
The Lambdoidal suture marks the division of which cranial bones? - ANSWERSOccipital bone and Parietal bones
Which endocrine gland is situated in the cranial bone pictured above (highlighted in blue)? - ANSWERSThe pituitary gland
Which facial bone is pictured above (highlighted in blue)? - ANSWERSThe left nasal bone
Which facial bone is pictured above (highlighted in blue)? - ANSWERSThe right maxilla bone.
Identify the atypical vertebra pictured above. Explain how you know which specific vertebra it is. - ANSWERSC1 Atlas vertebra has a large vertebral foramen and lacks a vertebral body.
Based upon appearance, state which division of the vertebral column the vertebra pictured above belongs to, and explain your answer. - ANSWERSThis is a typical cervical vertebra. It has a small vertebral body and transverse foramen which allow for passage of the vertebral arteries.
Identify the bony landmark the lab instructor is specifying with her fingers, and describe the function of this landmark. - ANSWERSInferior articular facets join this vertebra to the vertebra inferior to it.
Identify the region of the sternum specified by the lab instructor, and state which ribs articulate to this region. - ANSWERSThis is the region of the gladiolus or the body of the
sternum. Ribs 2-10 attach directly or indirectly to the body of the sternum.
Which of the following ribs is pictured above (highlighted in blue)?
True rib True rib False rib
Floating rib - ANSWERSTrue rib True rib (This is specifically rib 4. Anteriorly, it attaches to the sternum directly by way of its own costal cartilage.)
Identify the region of the scapula specified by the lab instructor. - ANSWERSSubscapular fossa (anterior surface of the scapula)
