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Which is not a disease of the skeletal system?

osteogenesis imperfecta

osteoporosis

osteomalacia

neuropathy (correct)

Which of the following is a genetic condition that affects bones?

fracture

osteoporosis

osteogenesis imperfecta (correct)

osteomalacia

Which condition would not be helped with an increase in dietary calcium and vitamin D?

fracture

osteoporosis

osteogenesis imperfecta

osteoarthritis (correct)

Which of the following bones is properly matched with its function?

Clavicle -- helps keep the shoulder in place Signup and view all the answers

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: pectoral girdle

appendicular Signup and view all the answers

What are two major bones of the skull?

Cranium, Mandible Signup and view all the answers

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: mandible

axial Signup and view all the answers

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: cruciate

not a bone Signup and view all the answers

What type of bones are the vertebrae?

irregular bones Signup and view all the answers

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: scapula

appendicular Signup and view all the answers

What are two major bones of the pectoral girdle?

Scapula and Clavicle Signup and view all the answers

Which of the following is the correct function of the ribs?

Provides protection for the organs of the upper body Signup and view all the answers

Which structure in the skeletal system is responsible for lubrication and shock absorption?

cartilage Signup and view all the answers

Which part of the skeletal system has more articulations with greater range of motion?

appendicular Signup and view all the answers

Which classification of bone tissue has trabeculae?

spongy bone Signup and view all the answers

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: fibula

appendicular Signup and view all the answers

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: sternum

axial Signup and view all the answers

Which structure in the skeletal system is responsible for linking bones to other bones to stabilize the articulation?

ligaments Signup and view all the answers

Which direction is a majority of the appendicular skeleton from the axial skeleton?

distal Signup and view all the answers

Which of the following are parts of the thoracic cage?

Ribs and Sternum Signup and view all the answers

Which structure in the skeletal system is responsible for connecting bones to muscles?

tendons Signup and view all the answers

which type of bone forms the skull?

flat bone Signup and view all the answers

Hydroxyapatite is:

an inorganic mixture containing calcium and phosphate Signup and view all the answers

Which nanostructure is responsible for compression resistance in bone?

hydroxyapatite Signup and view all the answers

What feature of the hydroxyapatite crystals allow them to easily exchange ions?

They are nano sized with a large surface area Signup and view all the answers

Which is not part of mature cartilage?

blood vessels Signup and view all the answers

For which type of fracture would serious reconstructive measures be needed?

comminuted fracture Signup and view all the answers

Which of the following is properly matched with its function?

All of the above are correctly matched with their function. Signup and view all the answers

Which classification of bone has a collection of specialized cells, organic extracellular matrix proteins, and and inorganic salt crystals?

Both Signup and view all the answers

A main role of proteoglycans in bone is to:

attract water that acts to cushion compression Signup and view all the answers

The main role of osteocytes is to:

act as mechanical sensors Signup and view all the answers

Which cells are osteoporosis drugs intended to inhibit?

osteoclasts Signup and view all the answers

Which cells transform within the bone?

osteoblasts become osteocytes Signup and view all the answers

Which of the following is correctly paired with its description?

Intramembranous ossification is the formation of bone between layers of connective tissue. Signup and view all the answers

For the following, identify the macroscopic structures of compact bone: Compact bone

osteons Signup and view all the answers

Which nanostructure is responsible for tensile resistance in bone?

collagen Signup and view all the answers

Why do we splint a bone after a fracture?

To minimize movement Signup and view all the answers

How is water integrated into cartilage?

A network of negatively charged glycosylated proteins attract water. Signup and view all the answers

Which nanostructure is responsible for compression resistance in cartilage?

proteoglycans Signup and view all the answers

Bones store calcium for use in the rest of the body. How is the homeostasis of calcium controlled?

hormones from the endocrine system Signup and view all the answers

Which cells are osteoporosis drugs intended to inhibit?

osteoclasts Signup and view all the answers

Increased levels of calcitonin hormone may cause what?

low calcium levels in the blood Signup and view all the answers

Which hormones act against one another with calcium levels?

parathyroid hormone and calcitonin Signup and view all the answers

How does vitamin D help maintain bones?

It increases calcium absorption from the diet. Signup and view all the answers

If parathyroid hormone is abnormally high over a long period, you would expect:

abnormally weak bones Signup and view all the answers

Which of the following is not a result of rickets?

Bowed legs in adults Signup and view all the answers

Which of the following structures allow external mechanical information to be quickly transmitted?

Canaliculi Signup and view all the answers

Smooth muscle would be most responsible for:

Determining the diameter of the bronchioles (airways). Signup and view all the answers

Rigor mortis is most directly caused by:

Lack of ATP. Signup and view all the answers

Which of the following is not a major function of muscle tissue?

Production of vitamins. Signup and view all the answers

Skeletal muscle typically transfers its force to bones via:

Tendons that are fused with the connective tissue in muscle. Signup and view all the answers

The different types of muscle tissue differ from each other by:

All of these choices are correct. Signup and view all the answers

The property of muscle that gives it the ability to stretch without damage is :

Extensibility. Signup and view all the answers

The outermost layer of connective tissue surrounding a skeletal muscle is the:

Epimysium. Signup and view all the answers

The type of tendon formed when the connective tissue elements of a skeletal muscle extend as a broad flat layer is called:

Aponeurosis. Signup and view all the answers

The contractile organelles of a skeletal muscle fiber are thread-like structures called:

Myofibrils. Signup and view all the answers

Which of the following is true concerning Muscle Tone?

It helps with stronger movements. Signup and view all the answers

Which of the following connects muscle to bone?

Tendons Signup and view all the answers

To gain speed in motion, third class levers sacrifice what?

Force Signup and view all the answers

Prime mover is another term for which of the following?

Agonist Signup and view all the answers

During muscle contraction by the sliding filament mechanism, thin filaments are pulled towards the:

M line. Signup and view all the answers

In skeletal muscles, the combined amounts of creatine phosphate and ATP provide enough energy for the muscle to contract maximally for approximately:

15 seconds. Signup and view all the answers

Calcium is used to trigger cross-bridge formation during which phase of muscle contraction?

Contraction phase Signup and view all the answers

Myoblasts in muscular system perform a similar function to _______ in the skeletal system?

Osteoblasts Signup and view all the answers

Which of following is a common characteristic of fast glycolytic (FG) skeletal muscle fibers?

High amount of glycogen in the sarcoplasm Signup and view all the answers

Which of the following types of muscle tissue contract(s) when excited by its/their own autorhythmic muscle fibers?

Cardiac muscle Signup and view all the answers

A triad consists of what components?

One T tubule and two terminal cisternae. Signup and view all the answers

A period of sustained skeletal muscle contraction in which individual twitches cannot be detected is called:

Fused tetanus. Signup and view all the answers

Which of the following microscopic structures is found only in the cardiac muscle tissue?

Intercalated discs Signup and view all the answers

In a neuromuscular junction, the effect of acetylcholine (ACh) binding to receptors on the motor end plate lasts only briefly due to:

Rapid destruction of ACh in the synaptic cleft by acetylcholinesterase Signup and view all the answers

Skeletal muscle contraction will continue to occur as long as which of the following chemicals are available in the cytosol of the muscle fiber?

Calcium ions and ATP Signup and view all the answers

Skeletal muscle cells are generally multinucleate because:

They were formed by fusion of more than one cell. Signup and view all the answers

Which region(s) of the sarcomere contain titin?

From M line to Z disc Signup and view all the answers

Which of the following are functions of the endocrine system?

All of the above Signup and view all the answers

Which of the following is a condition representing underactive thyroid?

Hypothyroidism Signup and view all the answers

Which of the following is not a primary function of the nervous system?

Triggering immune responses Signup and view all the answers

Which of the following can be part of the peripheral nervous system?

Signup and view all the answers

Which part of a neuron is responsible for conducting electrochemical stimulation from upstream neurons to the cell body of the neuron?

Dendrites Signup and view all the answers

What is the function of a motor neuron?

Carry signals from the spinal cord to the muscles, resulting in movement Signup and view all the answers

Which of the following is composed of fibers of sensory neurons only?

Dorsal roots of spinal nerves Signup and view all the answers

The function of the pons is:

to relay signals between the cerebrum and cerebellum, including sleep, hearing and taste. Signup and view all the answers

The region of the brain that is primarily involved in projecting impulses to somatosensory cortex is the:

Thalamus Signup and view all the answers

The part of the brain that is involved with initiating voluntary muscle movement is the:

Cerebral cortex Signup and view all the answers

Which brain region is involved in the development of cognition?

Cerebral lobes Signup and view all the answers

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Questions and Answers

Which is not a disease of the skeletal system?

Which of the following is a genetic condition that affects bones?

Which condition would not be helped with an increase in dietary calcium and vitamin D?

Which of the following bones is properly matched with its function?

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: pectoral girdle

What are two major bones of the skull?

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: mandible

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: cruciate

What type of bones are the vertebrae?

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: scapula

What are two major bones of the pectoral girdle?

Which of the following is the correct function of the ribs?

Which structure in the skeletal system is responsible for lubrication and shock absorption?

Which part of the skeletal system has more articulations with greater range of motion?

Which classification of bone tissue has trabeculae?

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: fibula

Choose if the following word is part of the axial or appendicular skeleton, or if it is not a bone at all: sternum

Which structure in the skeletal system is responsible for linking bones to other bones to stabilize the articulation?

Which direction is a majority of the appendicular skeleton from the axial skeleton?

Which of the following are parts of the thoracic cage?

Which structure in the skeletal system is responsible for connecting bones to muscles?

which type of bone forms the skull?

Hydroxyapatite is:

Which nanostructure is responsible for compression resistance in bone?

What feature of the hydroxyapatite crystals allow them to easily exchange ions?

Which is not part of mature cartilage?

For which type of fracture would serious reconstructive measures be needed?

Which of the following is properly matched with its function?

Which classification of bone has a collection of specialized cells, organic extracellular matrix proteins, and and inorganic salt crystals?

A main role of proteoglycans in bone is to:

The main role of osteocytes is to:

Which cells are osteoporosis drugs intended to inhibit?

Which cells transform within the bone?

Which of the following is correctly paired with its description?

For the following, identify the macroscopic structures of compact bone: Compact bone

Which nanostructure is responsible for tensile resistance in bone?

Why do we splint a bone after a fracture?

How is water integrated into cartilage?

Which nanostructure is responsible for compression resistance in cartilage?

Bones store calcium for use in the rest of the body. How is the homeostasis of calcium controlled?

Which cells are osteoporosis drugs intended to inhibit?

Increased levels of calcitonin hormone may cause what?

Which hormones act against one another with calcium levels?

How does vitamin D help maintain bones?

If parathyroid hormone is abnormally high over a long period, you would expect:

Which of the following is not a result of rickets?

Which of the following structures allow external mechanical information to be quickly transmitted?

Smooth muscle would be most responsible for:

Rigor mortis is most directly caused by:

Which of the following is not a major function of muscle tissue?

Skeletal muscle typically transfers its force to bones via:

The different types of muscle tissue differ from each other by:

The property of muscle that gives it the ability to stretch without damage is :

The outermost layer of connective tissue surrounding a skeletal muscle is the:

The type of tendon formed when the connective tissue elements of a skeletal muscle extend as a broad flat layer is called:

The contractile organelles of a skeletal muscle fiber are thread-like structures called:

Which of the following is true concerning Muscle Tone?

Which of the following connects muscle to bone?

To gain speed in motion, third class levers sacrifice what?

Prime mover is another term for which of the following?

During muscle contraction by the sliding filament mechanism, thin filaments are pulled towards the:

In skeletal muscles, the combined amounts of creatine phosphate and ATP provide enough energy for the muscle to contract maximally for approximately:

Calcium is used to trigger cross-bridge formation during which phase of muscle contraction?

Myoblasts in muscular system perform a similar function to _______ in the skeletal system?

Which of following is a common characteristic of fast glycolytic (FG) skeletal muscle fibers?

Which of the following types of muscle tissue contract(s) when excited by its/their own autorhythmic muscle fibers?

A triad consists of what components?

A period of sustained skeletal muscle contraction in which individual twitches cannot be detected is called:

Which of the following microscopic structures is found only in the cardiac muscle tissue?

In a neuromuscular junction, the effect of acetylcholine (ACh) binding to receptors on the motor end plate lasts only briefly due to:

Skeletal muscle contraction will continue to occur as long as which of the following chemicals are available in the cytosol of the muscle fiber?

Skeletal muscle cells are generally multinucleate because:

Which region(s) of the sarcomere contain titin?

Which of the following are functions of the endocrine system?

Which of the following is a condition representing underactive thyroid?

Which of the following is not a primary function of the nervous system?