A & P Review 3 Flashcards

presence or absence of a space between the articulating bones

no synovial cavity

bones held together by dense irregular connective tissue that is rich in collagen fibers

The insertion of a muscle:

Which joint shows a hinge motion?

A good description for a planar joint is:

Most skeletal muscles produce movement as a component of a _____-class lever.

Which joint could be called a saddle joint?

If a joint is not used for a period of time the motion of the joint can be limited.

Synovial fluid is a somewhat viscous liquid that contains hyaluronic acid and fluid formed from blood plasma.

The contractile elements of skeletal muscle cells are sarcomeres.

Articular cartilage receives nutrients and oxygen from the _____.

_____ is a subcutaneous layer of dense connective tissue that is wrapped around groups of skeletal muscles.

A motor neuron is a nerve cell that stimulates a muscle cell, causing a contraction.

Bursae are connective tissue sacs that are responsible for reducing friction during the movement of some joints.

All symphyses occur in the midline of the body.

The neurotransmitter released at a neuromuscular junction (in skeletal muscle) is _____.

____ is a bacteria infection causing severe pain in the joints.

The ____ is only where actin and myosin overlap.

In skeletal muscle, the sarcoplasmic reticulum:

A ___ is a stretched or partially torn muscle or muscle and tendon.

Which of the following statements about muscle types is not true?

One sarcomere contains all of the following EXCEPT:

A(n) ____ is a contraction creating tension but the muscles remain the same length.

Which of the following joints allows the most possible movements?

Which joint shows a hinge motion?

A ____ is fibrocartilage disk that partially or completely divide synovial joints into two compartments.

Additional muscle energy is stored in ____ which transfers stored energy to ADP making ATP.

This protein block the myosin head from binding to actin when the muscle is at rest.

Abduction occurs when a bone moves toward the midline.

The joint between two bodies of adjacent vertebrae is a synchondrosis.

Muscles with either parallel or fusiform arrangements of fasciculi tend to have longer fibers than do pennate muscles.

A tremor is a painful spasmodic contraction.

Ligaments at synovial joints may be extracapsular or intracapsular.

The muscle fibers that are oxidative and resistant to fatigue are the __________ fibers

Identify the description of the motor end plate

The origin of a muscle is ____

Which of the following is true of myosin?

The ____ are the light bands and are only actin.

The surfaces of the bones at a gliding joint perform the movement(s) of:

Compared to skeletal muscle, cardiac muscle differs in that it:

The strength of movement produced by a muscle depends upon how close to the joint it is attached. A muscle attached farther away will produce a more powerful movement than one attached nearer the joint.

A good description for a hinge joint is:

Skeletal muscle is affected by both acetylcholine and norepinephrine.

Cardiac muscle remains refractory until contraction ends so tetany does not occur.

All fibrous joints are synarthrotic; that is, they are immovable.

Neurotransmitters are stored in ____ within the motor neuron ending and are released into the synaptic cleft allowing them to bind receptors on the motor end plate.

___ is the thin filament involved in skeletal muscle contraction.

The _____ ligament limits hyperextension of the knee and prevents the anterior sliding of the tibia on the femur.

Neurotransmitters are housed within the synaptic cleft.

Interphalangeal joints are synovial joints at which flexion and extension occur.

The hinge joint, is the joint that allows for the most possible movements.

Concerning diarthroses, one may speculate that as mobility increases, decreases.

Which of the following statements about fast-twitch (fast glycolytic fibers) muscles is true?

Visceral smooth muscle

The ____ is only where actin and myosin overlap.

This protein binds calcium which causes a conformational change unblocking the myosin head binding site on actin.

interosseous membranes are a substantial sheet of dense irregular connective tissue that binds neighboring long bones and permits slight movement.

ATP is required for dissociation of myosin from actin during the muscle contraction.

The shoulder joint is an example of a triaxial joint.

Which of the following terms and descriptions is not correctly paired?

Which of the following statements about muscle types is true?

____ is a storage molecule which can transfer stored energy to ADP making ATP.

Which joint could be called a saddle joint?

The specialized region of sarcolemma that is located at a neuromuscular junction is called the _____.

Calcium is released from the ___ during skeletal muscle contraction.

A motor unit is defined as ____

Structures that are most responsible for holding bones together at a synovial joint are:

The motor neuron and the muscle fibers connected to it are referred to as ____

Lyme disease is a bacterial infection which resembles arthritis.

Structure and shape of the articulating bones helps determine range of motion at synovial joints.

The joint between two bodies of adjacent vertebrae is a synchondrosis.

A good description for a ball-and-socket joint is:

Identify the description that matches acetylcholine receptors.

A joint where adjacent bones grow together and unite is referred to as a ____

The shoulder joint is an example of a triaxial joint.

A union of a cone-shaped bony process in a body socket held by a periodontal ligament is a gomphosis.

___ released from the sarcoplasmic reticulum must bind troponin if muscle contraction is to occur.

____ joints allow for the most possible movements?

Identify the description of the motor end plate

Which of the following correctly describes abduction?

Which of the following terms and descriptions is correctly paired?

_____ muscle cells do not contain sarcomeres.

Neurotransmitters are housed within the synaptic cleft.

Biofeedback can control some smooth muscle contraction.

Cardiac muscle cells contain more mitochondria than do skeletal muscle cells.

____ is the time following contraction before muscle can respond again.

A fibrous joint may be a:

A good description for a planar joint is:

A motor unit is defined as ____

Neurotransmitter receptors are found where on the sarcolemma?

____ are stored in synaptic vesicles within the motor neuron ending and are released into the synaptic cleft allowing them to bind receptors on the motor end plate.

This bacterial toxin blocks exocytosis of synaptic vesicles at the neuromuscular junction.

Muscles with either parallel or fusiform arrangements of fasciculi tend to have longer fibers than do pennate muscles.

A motor neuron is a nerve cell that stimulates a muscle cell, causing a contraction.

If a muscle contracts and its fibers shorten, the contraction is isotonic.

___ is a painful debilitating autoimmune disorder attacks cartilage and joint linings.

Which of the following statements about fast-twitch muscles (fast glycolytic fibers) is not true?

Which of the following statements about slow oxidative muscles is not true?

Which of the following statements about muscle types is not true?

Oxygen debt is when oxygen runs out after couple of minutes of strenuous exercise, and aerobic cellular respiration kicks in.

Bending the ankle so that the foot moves downward is the movement called plantar flexion.

Which of the following statements about aging and joints is false?

What structure(s) of the synovial joint absorb(s) shock from external forces that are placed on it?

The respiratory pigment responsible for the reddish brown color of skeletal muscle and oxygen storage is called ____

The endomembrane system which houses calcium within the muscle fiber is the ____

If a joint is enclosed in a tough connective tissue capsule and if it contains a joint cavity, it is classified as:

Synovial fluid is a somewhat viscous liquid that contains hyaluronic acid and fluid formed from blood plasma.

There is no scientific evidence that suggests that creatine supplements actually increase muscle development.

_____ discs in cardiac muscle contain both desmosomes and gap junctions.

A motor unit is a muscle fiber and the motor neuron connected to it.

A fibrous joint may be a:

The joint between the parietal and frontal bones _________ .

A synovial membrane contains:

The respiratory pigment responsible for the reddish brown color of skeletal muscle and oxygen storage is called ____

____ is the respiratory pigment found in muscle cells which pulls in and stores oxygen for use during contraction.

Calcium is released from the ___ during skeletal muscle contraction.