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WorksheetsExam 2 BIOL2500
Total questions: 20
Worksheet time: 10mins
What is the primary hormone responsible for stimulating bone growth? a) Estrogen b) Testosterone c) Somatotropin d) Parathyroid hormone
Estrogen
Testosterone
Somatotropin
Parathyroid Hormone
What type of bone is predominantly composed of compact bone and appears smooth and solid?
Spongy bone
Irregular bone
Long bone
Flat bone
What is the main function of yellow bone marrow?
Blood cell production
Energy storage
Protection of soft organs
Framework for muscle attachment
Which bone cells are responsible for bone resorption, or breaking down bone tissue?
Osteoblasts
Osteocytes
Osteogenic cells
Osteoclasts
what type of bone tissue is predominantly found in the epiphysis of long bones?
Compact bone
spongy bone
yellow bone marrow
cartilaginous tissue
What gives bone tissue its strength and rigidity?
Collagen fibers only
Mineral salts only
Collagen fibers and mineral salts
Elastin fibers
Which hormone stimulates osteoclasts to remove the matrix from the center of bone?
Estrogen
Testosterone
Somatotropin
Parathyroid hormone
What is the primary component of the organic matter in bone tissue?
Calcium carbonate
Collagen
Sodium
Hydroxyapatite
what is the most common bone disease characterized by severe loss of bone density ?
Osteoporosis
Osteomalacia
Osteosarcoma
Osteomyelitis
What type of joint allows for the greatest range of motion?
Ball and socket
Hinge
Pivot
Gliding
Which bone is NOT part of the axial skeleton?
Femur
Sternum
Skull
Vertebrae
Which muscle is responsible for breathing during respiration?
Biceps brachii
Diaphragm
Trapezius
Quadriceps
What is the primary function of tendons?
To cushion joints
To connect muscle to muscle
To connect muscle to bone
To connect bone to bone
Which of the following is a characteristic of smooth muscle?
Voluntary control
Striated appearance
found in the walls of blood vessels
Attached to bones by tendons
Which type of cartilage covers the ends of long bones in joints?
Hyaline cartilage
Elastic cartilage
Firbocartilage
Articular cartilage
What is the primary function of elastic cartilage?
Providing support and flexibility
absorbing shock
providing a smooth surface for joint movement
withstanding compression
What is the primary function of the neuromuscular junction?
synthesizing neurotransmitters
storing calcium ions
transmitting electrical signals
connecting motor neurons to muscle fibers
Which component of the muscle cells is responsible for conducting electrical signals deep into the cell
myofibrils
tendons
sarcolemma
sarcoplasmic reticulum
What is the function of tropomyosin and troponin in the muscle contraction?
Anchoring thin filaments to Z discs
storing calcium ions
regulating the binding of myosin heads to actin
transmitting electrical signals
which type of muscle contraction involves the sliding of filaments past each other
isometric
eccentric
concentric
isotonic
