Integumentary System
Bone Tissue
The Axial Skeleton
The Appendicular Skeleton
Joints
100

During which season are people most likely to need extra vitamin D from their diet, since sunlight exposure is usually insufficient?

Winter

100

Astronauts living in microgravity for long periods experience significant bone loss. Which factor best explains this effect?

reduced mechanical stress on bones

100

How many thoracic vertebrae are found in the vertebral column? Hint: think lunchtime

12

100

This type of foot arch is flexible, rolls inward excessively (i.e., overpronation), and provide little shock absorption.

Low arches (flat feet)

100

This is a chronic autoimmune disease that causes inflammation and damage to the joints

Rheumatoid Arthritis

200

Which reaction is caused by the contraction of arrector pili muscles, a response that once helped trap air for insulation and made animals appear larger to predators?

Goosebumps

200

Which type of bone cell is responsible for carving out old bone tissue through resorption?

osteoclasts
200

Which group of vertebrae are the smallest and lightest?

Cervical vertebrae

200

The portion of the bony pelvis that is found superior to the pelvic brim is called _______

the false (greater) pelvis

200

This type of synovial joint allows for the widest range of motion, including flexion, extension, abduction, adduction, rotation, and circumduction.

Ball-and-socket joint

300
What is the name of the autoimmune disease where the body's immune system attacks and destroys melanocytes, causing milky-white patches on the skin?

Vitiligo

300

A patient has a overall bone T-score of –1.7 on a DXA scan. Would you categorize this patient as having normal bone density, osteopenia bone density, or osteoporotic bone density?

osteopenia bone density
300

Which condition is also called "swayback" because of an excessively inward-curving lower back?

Lordosis

300

Which bone in the lower limb bears the most body weight when standing?

Tibia

300

Moving the humerus medially toward the midline of the body at the shoulder joint is an example of which type of movement?

Adduction

400

Excessive consumption of orange foods can lead to a harmless yellowish-orange skin color caused by what skin pigment?

Carotene

400

Post-menopausal women are more likely to lose bone and become osteoporotic because of what main factor?

Loss of estrogen

400

What are the two secondary curves of the adult vertebral column? 

Cervical and lumbar curves

400

This is the condition where the hip joint's ball and socket don't fit together correctly. 

Hint: My mother-in-law has this condition!

Hip Dysplasia

400

This type of injury is a tear or sprain of the ulnar collateral ligament

Tommy John Injury

500

Which skin layer is only found in thick skin?

stratum lucidum

500

Which structures make up the supporting framework of spongy bone, forming a lattice-like network that helps reduce bone weight while providing strength?

Trabeculae

500

How many total bones are in the adult skeleton?

206

500

Scaphoid, Trapezium, Pisiform, and Triquetrum are examples of what type of bone?

Carpal bones

500

What are the two main types of cartilaginous joints?

Synchondroses and Symphyses