Anatomy and Physiology Musculoskeletal System 3

Question 1

What is the name of the cartilage found at the ends of long bones that cushions joints?

Accepted Answer

Articular cartilage

Answer

Hyaline cartilage

Answer

Fibrocartilage

Answer

Elastic cartilage

Question 2

Which muscle is the primary hip flexor?

Accepted Answer

Iliopsoas

Answer

Gluteus maximus

Answer

Rectus femoris

Answer

Sartorius

Question 3

What are the small projections on the surface of trabecular (spongy) bone called?

Accepted Answer

Trabeculae

Answer

Lacunae

Answer

Canaliculi

Answer

Haversian canals

Question 4

Which structure connects the two bones of a synovial joint and provides stability?

Accepted Answer

Ligament

Answer

Tendon

Answer

Meniscus

Answer

Bursa

Question 5

In the sliding filament theory of muscle contraction, which ion is released from the sarcoplasmic reticulum to trigger contraction?

Accepted Answer

Calcium (Ca²⁺)

Answer

Sodium (Na⁺)

Answer

Potassium (K⁺)

Answer

Magnesium (Mg²⁺)

Question 6

What is the term for the fibrous membrane covering the outer surface of most bones?

Accepted Answer

Periosteum

Answer

Endosteum

Answer

Perichondrium

Answer

Osteon