Lab Random Questions

Question 1

The temporal process is found on what bone?

Answer 1

Zygomatic bone

The temporal process is a bony projection that forms part of the zygomatic arch.

Question 2

The zygomatic process is found on what two bones?

Answer 2

• Zygomatic bone
• Temporal bone

The zygomatic process contributes to the formation of the zygomatic arch.

Question 3

Name at least four bones of the nasal area.

Answer 3

• Nasal bone
• Maxilla
• Palatine bone
• Ethmoid bone

These bones contribute to the structure and support of the nasal cavity.

Question 4

The optic nerve passes through the _______.

Answer 4

Optic canal

The optic canal is a passage in the skull through which the optic nerve travels.

Question 5

Name the muscle that lifts the eyebrow.

Answer 5

Frontalis muscle

The frontalis muscle is responsible for raising the eyebrows and wrinkling the forehead.

Question 6

Name one of the chewing muscles and where it inserts.

Answer 6

Masseter muscle

The masseter muscle inserts at the angle of the mandible and is crucial for chewing.

Question 7

Name the muscle that purses the lips to help you form words and whistle.

Answer 7

Orbicularis oris muscle

The orbicularis oris muscle encircles the mouth and is essential for lip movement.

Question 8

The hole in the vertebra that the spinal cord passes through is called the _______.

Answer 8

vertebral foramen

The vertebral foramen is a crucial structure for the protection of the spinal cord.

Question 9

Give two names for the most superior vertebra.

Answer 9

• Atlas
• C1

The atlas supports the globe of the head and allows for nodding motion.

Question 10

All thoracic vertebrae have this unique flattened feature: _______.

Answer 10

costal facets

Costal facets are where the ribs articulate with the thoracic vertebrae.

Question 11

Name two muscles that help you arch your back.

Answer 11

• Erector spinae
• Quadratus Lumborum

These muscles play a key role in spinal extension and stabilization.

Question 12

Name the origin of the quadratus lumborum.

Answer 12

Iliac crest

The quadratus lumborum is important for lateral flexion of the spine.

Question 13

The most inferior portion of the sternum is the _______.

Answer 13

xiphoid process

The xiphoid process serves as an attachment point for various muscles.

Question 14

What muscle attaches to the xiphoid process?

Answer 14

Rectus abdominis

The rectus abdominis is involved in flexing the lumbar spine.

Question 15

What tendon attaches to the xiphoid process?

Answer 15

Linea alba

The linea alba is a fibrous structure that runs down the midline of the abdomen.

Question 16

What other bone does the linea alba attach to (and what part)?

Answer 16

Pubis (pubic symphysis)

The linea alba connects the abdominal muscles across the midline.

Question 17

What is the main action of the internal intercostals?

Answer 17

Depress the ribs

The internal intercostals assist in forced expiration.

Question 18

What are the cells within compact bone called?

Answer 18

Osteocytes

Osteocytes are mature bone cells that maintain bone tissue.

Question 19

The outer layer of connective tissue surrounding bone is called _______.

Answer 19

Periosteum

The periosteum is essential for bone growth and repair.

Question 20

How would you differentiate a long bone from a child versus adult, other than size?

Answer 20

Growth plates

Long bones in children have growth plates (epiphyseal plates) that are not present in adults.

Question 21

Give two or more technical terms for holes in bones.

Answer 21

• Foramen
• Canal

These terms refer to openings that allow nerves and blood vessels to pass through bones.

Question 22

Practice muscle actions by flexing at the following joints: knee, shoulder, elbow, wrist, neck, and waist. All these should produce forward (anterior) motion except for which joint?

Answer 22

Neck

Flexing at the neck typically produces a downward motion rather than forward.

Question 23

Give two or more technical terms for projections from bones.

Answer 23

• Process
• Tuberosity

Projections serve as attachment points for muscles and ligaments.