Question

Does anyone have old exams of anatomy and physiology 2086 of professor Lisa Smith?

Answer 1

Courses

Anatomy and Physiology II (BSC 2086)

joints can be classified structurally as

all of the above

an immovable joint is a(n)

synarthrosis

a suture is an example of

synarthrosis

a synovial joint is an example of a(n)

diarthrosis

which of the following is not a function of synovial fluid?

increases osmotic pressure within joint

Bursae are found in all of the following areas except

around blood vessels

the surface of articular cartilage is

both slick and smooth

which of the following is not considered an accessory synovial structure?

synovial membrane

mike falls off his skateboard and sprains his ankle. Which of the following most likely occurs with this type of accident?

a ligament is stretched and collagen fibers in the ligament are damaged

a movement away from the mid-line of the body is called

abduction

to pinch with the thumb and finger is a movement called

opposition

which type of joint is found between the carpal bones?

gliding

the movement known as dorsiflexion and plantarflexion involve moving the

foot

the elbow joint is an example of a(n)________ joint

hinge

in a triaxial articulation

only circumduction is possible

an extension past the anatomical position is known as

hyperextension

which of the following joints is an example of a ball in socket joint?

shoulder

the "rotator cuff" of the shoulder functions to

reinforce the joint capsule and limit the range of movement

factors that increase the stability of the hip joint include

all of the above

the location where two bones meet is called a joint or a(n)

articulation

muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for

contraction

which of the following is a recognized function of skeletal muscle?

all of the above

the dense layer of connective tissue that surrounds the entire skeletal muscle is the

epimysium

the delicate connective tissue that surrounds the skeletal muscle fibers and ties adjacent muscle fibers together is the

endomysium

interactions between actin and myosin filaments of the sarcomere are responsible for

muscle contraction

the plasma membrane of a skeletal muscle fiber is called the

sarcolemma

the skeletal muscle complex known as the triad consists of

a transverse tubule and two terminal cisternae

at rest, the tropomyosin molecule is held in place by

troponin molecules

since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber

shortens

the narrow space between the synaptic terminal and the muscle fiber is the

synaptic cleft

active sites on the actin become available for binding after

calcium binds to troponin

after death, muscle fibers run out of ATP and calcium begins to leak from the sarcoplasmic reticulum into the sarcoplasm. This re sults in a condition known as

depolarization

The muscle weakness of myasthenia gravis results from

loss of acetylcholine receptors in the end-plate membrane,

a single motor neuron together with all the muscle fibers it inner vates is called a(n)

motor unit

a weight lifter strains to lift a heavy weight and there is no move ment of the persons arms holding onto the weight. This type of contraction is called an) _____________contraction

isometric

in which of the following would the motor units have the fewest muscle fibers?

muscles that control the eyes

creatine phosphate

acts as a enorgy reserve in muscle tissue

which of the following is not characteristic of smooth muscle?

the striations are due to the orderly arraignment of actin and myosin

thin filaments are mostly made of the protein

actin

the structural theory that explains how a muscle fiber contracts is called the sliding filament theory.

muscles that guard entrances and exits passageways are________ muscles

circular

a lever consists of

a rigid structure and a fulcrum

the fulcrum of a lever system is the

joint

A(n)_______ is a muscle whose contraction is chiefly responsible for producing a particular movement.

prime mover

a muscle that assists the muscle that is primarily responsible for a given action is an

synergist

the names of the muscle can indicate all of the following except

the collagen content of the muscle

a muscle whose name ends in the suffix-glossus would be found within or attached to the

tongue

muscles with fibers that run parallel to the long axis of the body are called

rectus

each of the following terms is a descriptive term for a muscles ac tion except

sartorius

muscles with fibers that run at an angle to the long axis of the body are called

oblique

when the fulcrum is located between the load and the force, it is called a first class lever

the "kissing muscle" that purses the lips is the

orbicularis oris

which of the following is not an extrinsic eye muscle?

rectus abdominis

the platysma covers the anterior surface of the neck

a muscle that inserts on the body of the mandible is probably in volved in

chewing

during abdominal surgery, the surgeon makes a cut lateral to the linea alba. The muscle that would be cut is the

rectus abdominis

damage to which of the following muscles would interfere most with the ability to breathe?

intercostals

Tom, a trumpet player, asks you which muscles he should de velop in order to be a better trumpeter, what would you tell him?

the buccinator and orbicularis oris.

which of these muscles is a member of the quadriceps group?

all of the above

the preferred site for intramuscular (IM) injections in infants that is part of the four muscles in the anterior thigh is the

vastus lateralis

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