EXER 2168 Lab 3

What are the 2 divisions of the skeleton?

• appendix and axilla

• Appendage and axillary

• Appendicular and axial

Answer explanation

Appendicular = appendages (limbs)

Axial = axis (body's center of gravity)

What are the 5 categories of bones?

• frontal, parietal, sphenoid, ethmoid, temporal

• mandible, maxilla, zygomatic, lacrimal, palatine

• Long, short, flat, irregular, sesamoid

• scaphoid, lunate, triquetrum, pisiform, hamate

Answer explanation

1. 1. cranial bones

2. 2. facial bones

3. 4. carpal bones

8 bones make up the _______, which encloses and protects the brain

• face

• cranium

• skull

Answer explanation

• 1. there are 14 facial bones

3. 3. the skull is composed of the cranium and facial bones

What bone is this?

• ulna
• humerus
• radius
• vertebrae

Answer explanation

REMEMBER! it hurts when you hit your funny (humor) bone aka humerus

radius (thumb) and ulna is directly inferior to the humerus

vertebrae is spine

How many bones does an adult human have?

• 300
• 306
• 206
• 602

Answer explanation

HBones

B = 2nd letter in the alphabet

O = 0 (zero)

Hbones = 6 letters

206

What does the suffix -blast mean?

• bud, germ

• boom

• a destructive wave of highly compressed air spreading outward from an explosion

• breaking down

Answer explanation

REMEMBER!

osteoBlasts Build Bone!!!!

Which ribs are false?

• none

• 1-7

• all

• 8-12

Answer explanation

1-7 are true ribs

What bone marking connects the brain stem and spinal cord? What bone is it found in?

• foramen lacerum; temporal

• foramen ovale; sphenoid

• Foramen magnum; occipital

• supraorbital margin; frontal

The epiphysis is 

• The shaft of a bone
• a bone cell
• the end of a long bone
• the covering of a bone

Answer explanation

REMEMBER!

epi: upon

Epiphysis = End

What are the 4 skull sutures?

• Sphenoidal, anterior, mastoid, posterior

• sagittal, transverse, coronal, oblique

• Sagittal, coronal, lambdoid, squamous

• eyes, ears, mouth, nose

Answer explanation

1. 1. newborn fontanelles

2. 2. planes