A&P Exam 3

In a __ synovial joint, an oval surface fits into a concave depression: these joints are said the be biaxial A. Saddle B. Hinge C. Condyloid D. Pivot

Condyloid

Which of the following is not a structural classification of joints? A. Fibrous B. Synovial C. Diarthorsis D. Cartilaginous

Diarthorsis

Which of the following does not represent a structural classification of joints A. Diarthrosis B. Cartilaginous C. Synovial D. Fibrous

Diarthrosis

One muscle cell is covered by connective tissue called A. Perimysium B. Epimysium C. Endomysium D. Intramysium E. Ectomysium

Endomysium

Muscle tissue share this feature with nervous tissue A. Contractility B. Elasticity C. Excitability D. Extensibility

Excitability

What is found in the lumen of a transverse tubules A. Extracellular material B. Cytoplasm C. Sarcoplasm D. Calcium ions

Extracellular material

Desmosomes in cardiac muscle tissue ensure that electrical currents passed rapidly between the muscle cells of the heart True or false

False

In a sacromere of the skeletal muscle fiber, each thin filaments is surrounded by six thick filaments True or false

False

Limited movement and the presence of a fibrocartilage pad characterized fibrous joints. True or false

False

Myosin filaments contain the active sites to which the heads will bind during contraction True or false

False

Open filament is made up of a couple hundred miles in molecules True or false

False

Striations are formed by the alternator light A bands and the dark I band True or false

False

The H zone functions in anchoring the thick filaments True or false

False

The H zone is found inside of the I band True or false

False

The cell membrane of a muscle cell is also called Endomysium True or false

False

The function of the sarcoplasmic reticulum is to store large amounts of sodium and potassium ions True or false

False

The interosseous ligaments at the distal end of the tibia-fibula and radius-ulna are characteristics of Syndesmoses True or false

False

A muscle is also called A. Sacromere B. Fascicle C. Fiber D. Myofibril E. Myofilament

Fiber

Syndesmosis are classified as __. A. Synovial joint B. Fibrous joint C. Cartilaginous joints D. Suture joints

Fibrous joints

Select the smallest structure in the muscle fiber A. Filament B. Sacromere C. Fibril D. Fascicle E. Fiber

Filament

Synovial fluid is: A. Formed by a synovial membrane B. Present is all joints C. Is composed of hyelin cartilage D. Found in synaptic cleft

Formed by a synovial membrane

A "peg-in-socket" fibrous joints is classified as a __ joint A. Gomphosis B. Synchondrosis C. Syndesmosis D. Suture

Gomphosis

In what joint is the root of a tooth attached to a periodontal ligament and held into a tooth socket A. Serrate suture B. Suture C. Syndesmosis D. Gomphosis

Gomphosis

The synovial joint between the distal end of the humerus and the proximal end of the ulna is an example of __. A. Pivot joint B. Hinge joint C. Ball-and-socket-joint D. Plane joint

Hinge joint

Which of these joints would be functionally classified as diarthrotic A. Flat membrane interconnecting diaphyses of ulna and radius B. Joints formed by intervertebral discs C. Hip joints D. Seams in the skull

Hip joints

We get bulkier from working out because skeletal muscles A. Go through mitotic division B. Increase protein synthesis to increase their size C. Replicate D. Split in half

Increase protein synthesis to increase their size

Which of the following statements is true about synovial fluid? A. It contains hyaluronic acid (or hyaluronans) B. It contains enzymes only C. It contains hydrochloric acid D. It contains lactic acid

It contains hyaluronic acid (or hyaluronans)

The cell membrane of a muscle cell is called A. Sarcoplasm B. Perimysium C. Sarcolemma D. Epimysium E. Endomysium

Sarcolemma

The carpometacarpal joint of the thumb is A. Saddle joint B. Hinge joint C. Condyloid joint D. Pivot joint

Saddle joint

The plasma membrane of a muscle cell is called A. Intercalated disc B. Sarcoplasm C. Sarcoplasmic reticulum D. Sarcomere E. Sarcolemma

Sarcolemma

What are menisci A. Cavities lined with cartilage B. Tendon sheath C. Semilunar cartilage pads D. Small sacs containing synovial fluid

Semilunar cartilage pads

Muscle tissues that is attached to our bones is A. smooth muscle tissue B. Skeletal for tissue C. Cardiac muscle tissues

Skeletal muscle tissue

The immovable joints found only between skull bones is called A. Foramen B. Fontanel C. Condyle D. Suture

Suture

Fibrous joints are classified as A. Pivot, hinge, and ball-and-socket B. Suture, Syndesmoses, and gomphoses C. Symphysis, sacroiliac, and articular D. Hinge, saddle, and ellipsoidal

Suture, Syndesmoses, and gomphoses

A ___ is a type of cushioning joint that allows limited movement and is found both between the two pubic voices and in between vertebrae A. Gomphosis B. Syndesmosis C. Symphysis D. Synchondrosis

Symphysis

A pad of fibrocartilage separates the adjoining bones of a __ joint. A. Gomphosis B. Synchondrosis C. Syndesmosis D. Symphysis

Symphysis

The dense fibrocartilage tissue that permits a slight degree of movement at an intervertebral joint is classified as a A. Syndesmosis B. Gomphosis C. Suture D. Symphysis

Symphysis

Which of the following refers to a joint that is immovable A. Amphiarthrosis B. Synarthrosis C. Synovial D. Diarthorsis

Synarthrosis

Which of the following are cartilaginous joints A. Gomphoses B. Syndesmoses C. Sutures D. Synchondroses

Synchondroses

Which of the following is not a subdivision of fibrous joints? A. Suture B. Synchondroses C. Gomphoses D. Syndesmoses

Synchondroses

An example of an interosseus fibrous joint is ________. A. The radius and ulna along it's length B. Between the vertebrae C. Between the humerus and the glenoid cavity D. The clavicle and the scapula at the distal ends

The radius and ulna along it's length

Synovial fluid contains phagocytic cells that protect the cavity from invasion by microbes or other debris True or false

True

Synovial fluid is a vicous material that is derived by filtration by blood True or false

True

The M line runs through the middle of a thick filament in a sarcomere True or false

True

The articular surfaces of synovial joint play a minimal role in joint stability True or false

True

The articulating bones of a healthy synovial joint never touch True or false

True

The major role of ligaments at the synovial joints is to help direct movement and restrict undesirable movement True or false

True

The sacromere is the smallest level at which of skeletal muscle contracts true or false

True

When more calcium ions bind to one of the subunits of the troponins complex, the whole troponin complex changes its 3d shape True or false

True

When myoblasts fuse in the embryo a syncytium. called the skeletal muscle cell is formed true or false

True

An ossified Synchondrosis is a synostosis True or false

True

Bursae reduces friction between moving parts of a joint True or false

True

Striated muscles tissues include skeletal and cardiac muscle tissues True or false

True

Each myofibril is surrounded by sarcoplasmic reticulum, like a sleeve True or false

True

Which of these units contain overlapping actin and myosin myofilaments in a relaxed sacromere A. A band B. H zone C. Z disk D. M line E. I band

A band

The synovial joint between the axis and the atlas is an example of A. A hinge joint B. A plane joint C. A ball-and-socket-joint D. A pivot joint

A pivot joint

In a sacromere of a skeletal muscle fiber, three thick filaments around each thin filament True or false

True

Which structural joint is formed by a band of fibrous connective tissues

A. Synchondrosis B. Symphysis C. Pivot D. Syndesmoses

To Which proteins does troponin bind A. Z line, M line and H line B. Calcium and actin C. Tropomyosin and myosin D. Actin and tropomysin

Actin and tropomysin

In the classification of joints which of the following is true A. In the cartilaginous joints, a joint cavity is present B. Synarthrotic joints are slightly movable C. Immovable joints are called Amphiarthrotic D. All synovial joints are freely moveable

All synovial joints are freely moveable

One of these do not provide stability to synovial joint. Which by one? A. Amount of synovial fluid in the joint cavity B. Amount of muscle tone applied to tendon that cross the joint C. Shape of the articulating surfaces D. Number and positioning of reinforcing ligaments

Amount of synovial fluid in the joint cavity

Articulation that allows only slight degrees of movement are classified as A. Amphiarthroses B. Diarthoroses C. Synarthroses D synovial joints

Amphiarthroses

In the embryo, myoblasts fuse to form muscle fibers True or false

True

Which of the following statements regarding joints between the rib and sternum is correct? A. All joints between the rib and sternum are classified as cartilaginous joints B. The joints between the rib and sternum are synarthrotic: the joints between the other ribs and sternum are diarthrotic C. All joints between the ribs and sternum are classified as synovial joints D. The joints between the first ribs and sternum are synchondroses: the joints between the other rib and sternum are symphyses

B. The joints between the rib and sternum are synarthrotic: the joints between the other ribs and sternum are diarthrotic

Multiraxial movement is normally available at this type of joint A. Gliding B. Hinge C. Ball and socket D. Pivot

Ball and socket

The greatest rage of motion is provided by the: A. Pivot joint B. Saddle joint C. Condyloid joint D. Ball-and-socket-joint

Ball-and-socket-joint

The shoulder and hip joints are this type A. Ball-and-socket-joints B. Saddle C. Pivot D. Gliding

Ball-and-socket-joints

Which of the following is not a structural feature of synovial joint? A. A fluid-filled joint cavity B. Reinforcing ligaments C. Bone ends uniting by fibrocartilage D. Bones end covered by hyaline cartilage

Bones end united by fibrocartilage

Connective tissues sac lined with synovial membranes that act as cushion in places where friction develops are called __ A. Tendons B. Bursae C. Menisci D. Ligaments

Bursae

The muscle tissue found in the heart is A. Skeletal muscle tissue B. Smooth muscle tissue C. Cardiac muscle tissue

Cardiac muscle tissue

Using the structural classification, what type of joints is the epiphyseal plate A. Amphiarthrotic joint B. Cartilaginous joints C. Synarthrotic joint D. Fibrous joint

Cartilaginous joint

Synchondroses are best described as A. The interphalangeal joints B. Amphiarthrotic joints designed for flexibility and strength C. Joints that permit angular movement D. Cartilaginous joints with hyaline cartilage uniting the ends of the bones

Cartilaginous joints with hyaline cartilage uniting the ends of the bones

Which of these is not part of actin myofilaments A. Troponin B. Actin C. Cisternae D. Tropomyosin

Cisternae

Sutures are found only within the skull True or false

True

Bundles of collagen fibers that interconnect bones are called A. Muscle B. Ligaments C. Tendon D. Bursae

Ligaments

Within certain synovial joints, fibrous cartilaginous pads, called __ cushion and guide the articulating bones A. Bursae B. Articular cartilage C. Synovial membrane D. Menisci

Menisci

Which of the following is not characteristic of all synovial joints A. Articular cartilage B. Synovial fluid C. Meniscus D. Joint or articular capsule E. Synovial membrane

Meniscus

The shoulder joint is classified as a(n) __ synovial joint A. Biaxial B. Uniaxial C. Multiaxial D. Nonaxial

Multiaxial

Excitability is a functional feature for the following A. muscle and connective tissue B. Connective and epithelial tissue C. Muscle and nervous tissue D. Nervous and epithelial tissue

Muscle and nervous tissue

Stability of synovial joint is affected the most by A. The strength and tightness of the ligaments, tendons, and joint capsule B. The amount of synovial fluid present C. The structure of bones in the joints D. Muscle tone in muscles surrounding joints

Muscle tone in muscles surrounding joints

Which of the following is not a factor that contributes to keeping the articular surfaces of diarthroses in contact A. Number of bones in joint B. Arrangement and tension of the mucked C. Strength and tension of joint ligaments D. Structure and shape of the articulating bones

Number of bones in joint

A group of muscle cells is covered by connective tissue called A. Epimysium B. Endomysium C. Ectromysium D. Intramysium E. Perimysium

Perimysium

Synarthrotic joints ___ A. Have large joint cavities B. Are always cartilaginous joints C. Permit essentially no movement D. Are only found in adults

Permit essentially no movement

Articular cartilage found at the end of the long bones served to A. Form the synovial membrane B. Produce red blood cells (hemopolesis) C. Attach tendons D. Provide a smooth surface at the ends of the long bones

Provide a smooth surface at the ends of the long bones

An epiphyseal plate is what type of joint, even though its temporary A. Synchondrosis B. Syndesmosis C. Suture D. Symphysis

Synchondrosis

Which of the following are correctly paired? A. Synchondrosis: a plate of headlined cartilage unites the bones B. Gomphoses: articulating bones are separated by a fluid containing cavity C. Suture: bones interconnect with fibrocartilage D. Syndesmoses: bony edges interlock

Synchondrosis: a plate of headlined cartilage unites the bones

On the basis of structural classification, which joint is fibrous connective tissue? A. Syndesmoses B. Pivot C. Synchondrosis D. Symphysis

Syndesmoses

The type of joint that is distinguished by having a fluid-filled joint cavity is a __ joint A. Suture B. Synovial C. Fibrous D. Cartilaginous

Synovial

In terms of structure, which type articulation has a joint cavity A. Fibrous joint B. Synovial joint C. Cartilaginous joints

Synovial joint

Osteoarthritis is a degenerative joint disease that results from aging and irritation of the joints True or false

True

Sarcomere is the functional unit of a skeletal muscle cell True or false

True

A __ is a modified bursa that surrounds and lubercates the tendon of certain muscles A. Meniscus B. Articular cartilage C. Joint capsule D. Tendon sheath

Tendon sheath

Which of the following is not parts of the synovial joint? A. Tendon sheath B. Joint cavity C. Articular cartilage D. Articular capsule

Tendon sheath

In skeletal muscles the calcium that binds to troponin comes from A. The sarcolemma B. The sarcoplasm C. The extracellular material D. The sarcoplasmic reticulum

The Sarcoplasmic reticulum

What triggers the change in the 3-D shape of Troponin A. The binding of more calcium ions B. The sliding of the myofilaments C. The shortening of the sacromere D. Cross bridging

The binding of more calcium ion

Satellite cells are located outside the skeletal muscle cells True or false

True

Skeletal muscle fibers develop in the embryo by fusion of myoblasts True or false

True

The T in T-Tubule stands for A. Terminal B. Transverse C. Triad D. Tiny

Transverse

ATPase catalyzes ATP hydrolysis at the heads of a myosin filaments True or false

True

Ligaments connect muscle to bone true or false

false