Joints and muscle tissue (final review)

Slightly moveable joints are classified as:

A. synarthroses B. diarthroses C. sutures D. amphiarthroses E. gomphoses

amphiarthroses

This type of freely moveable joint provides the widest range of motion:

A. diarthrosis B. symphysis C. syndesmoses D. synchondrosis E. synostosis

diarthrosis

Which of the following is NOT a type of synarthrosis?

A. synostosis B. syndesmosis C. gomphosis D. synchondrosis E. suture

syndesmosis

An immoveable joint is called a(n):

A. amphiarthrosis B. diarthrosis C. synovial joint D. synarthrosis E. syndesmosis

synarthrosis

The cartilaginous pad that separates the two pubic bones anteriorly is this type of joint:

A. synchondrosis B. synostosis C. suture D. gomphosis E. symphysis

symphysis

The collagen fibers that connect the bones of the leg form this type of slightly moveable joint:

A. syndesmosis B. symphysis C. gomphosis D. suture E. synchondrosis

syndesmosis

An epiphyseal plate represents this type of joint:

A. synostosis B. synchondrosis C. syndesmosis D. gomphosis E. diarthrosis

synchondrosis

Our teeth are imbedded within bony sockets by this type of joint:

A. suture B. syndesmosis C. gomphosis D. synchondrosis E. symphysis

gomphosis

Our glenohumeral joint is this type of joint:

A. hinge B. ball-and-socket C. gliding D. pivot E. saddle

ball-and-socket

Our knee is this type of joint:

A. condyloid B. ball-and-socket C. gliding D. pivot E. hinge

hinge

The joints between the bones of the hand (metacarpals) and our digits (phalanges) are:

A. hinge B. ellipsoid C. gliding D. pivot E. saddle

ellipsoid

This type of joint is found between the atlas (C1) and the axis (C2):

A. hinge B. ball-and-socket C. gliding D. pivot E. saddle

pivot

Of the following joints, which provides the widest range of motion:

A. hinge B. ball-and-socket C. gliding D. pivot E. saddle

ball-and-socket

The first carpometacarpal joint where our thumb joins the hand is this type of joint:

A. hinge B. ball-and-socket C. gliding D. pivot E. saddle

saddle

From anatomical position, moving the upper limb laterally, away from the midline, is:

A. extension B. abduction C. flexion D. adduction E. hyperextension

abduction

Moving the head from anatomical position to touch the chest is:

A. extension B. rotation C. flexion D. dorsiflexion E. adduction

flexion

From anatomical position, moving the lower limb medially, towards the midline, is:

A. extension B. abduction C. flexion D. adduction E. hyperextension

adduction

Turning one's head from right to left is:

A. flexion B. abduction C. extension D. rotation E. circumduction

rotation

This type of circular movement of the outstretched upper limbs creates an imaginary cone:

A. flexion B. abduction C. extension D. rotation E. circumduction

circumduction

This type of movement occurs when a hinge joint's increasing angle exceeds 180 degrees:

A. hyperextension B. abduction C. flexion D. adduction E. extension

hyperextension

Which of the following is NOT true of skeletal muscle tissue:

A. is involuntary B. is striated C. generates heat D. is attached to bone E. is multinucleated

is involuntary

The layer of connective tissue found around a muscle fascicle is called:

A. endomysium B. periosteum C. endosteum D. epimysium E. perimysium

perimysium

Which of the following is the smallest unit?

A. muscle fiber B. muscle C. myofiber D. myofibril E. muscle fascicle

myofibril

What structure stores calcium in skeletal muscle that will directly trigger contraction when released?

A. sarcolemma B. sarcoplasmic reticulum C. transverse tubules D. synaptic vesicles

sarcoplasmic reticulum

What fascicle arrangement is found around the eyes and mouth?

A. fusiform B. circular C. unipennate D. parallel E. none of these

circular

Movement of a nerve impulse down which structure found within a muscle cell triggers the release of calcium?

A. sarcoplasmic reticulum B. axon terminal C. T tubule D. synaptic vesicle E. endomysium

T tubule

What is attached to titan?

A. the sarcolemma B. the sarcoplasmic reticulum C. actin D. troponin E. myosin

myosin

What region contains only actin?

A. A band B. I band C. H zone D. Z disc E. M line

I band

Which occurs first?

A. the recovery stroke B. the formation of a cross-bridge C. the breakdown of ATP D. the power stroke E. all of these occur simultaneously

the formation of a cross-bridge

What structure does calcium bind to according to the sliding filament theory?

A. troponin B. myosin heads C. tropomyosin D. sarcolemma E. none of these

troponin

According to the sliding filament theory, what structure on actin moves out of the way to reveal binding sites for myosin heads?

A. troponin B. tropomyosin C. T tubules D. terminal cisternae E. none of these

tropomyosin

Acetylcholine is found stored within these structures at the neuromuscular junction:

A. T tubules B. sarcoplasmic reticulum C. sarcolemma D. post-synaptic membrane E. synaptic vesicles

synaptic vesicles

In this region, both actin and myosin are present when the myofibril is relaxed:

A. A band B. T tubules C. I band D. H zone E. terminal cisternae

A band

Biceps brachii is a good example of this fascicle arrangement that includes a belly:

A. circular B. bipennate C. unipennate D. fusiform E. parallel

fusiform

This term refers to the cell membrane of a muscle cell:

A. sarcoplasmic reticulum B. T tubule C. sarcolemma D. sarcomere E. none of these

sarcolemma

Professional weightlifters probably:

A. have a higher ratio of fast glycolytic fibers compared to other fiber types B. have a higher ratio of slow oxidative fibers C. have a higher ratio of fast oxidative fibers D. have equal ratios of all types E. rely on aerobic exercise to build muscle

A. have a higher ratio of fast glycolytic fibers compared to other fiber types

This connective tissue is found on the outside of a muscle:

A. endomysium B. perimysium C. epimysium D. sarcolemma E. periosteum

epimysium

Which of the following muscles best represents a convergent fascicle arrangement?

A. biceps femoris B. sartorius C. pectoralis major D. orbicularis oculi E. rectus femoris

pectoralis major

Muscles that work together are:

A. prime movers B. agonists C. antagonists D. synergists E. none of these

synergists

Myosin is a:

A. muscle fiber B. muscle cell C. muscle fascicle D. myofibril E. myofilament

myofilament