Study sets matching "muscle contraction chapter 7"

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Study sets matching "muscle contraction chapter 7"

30 terms
Chapter 7 Muscles and Muscle Contraction Practice Set
twitch
tetanus
insertion
origin
a single contraction in response to a brief threshold stimula…
A smooth sustained muscle contraction, such as occurs in skel…
The attachment of a muscle tendon to a moveable bone or the e…
The attachment of a muscle tendon to a stationary bone or the…
twitch
a single contraction in response to a brief threshold stimula…
tetanus
A smooth sustained muscle contraction, such as occurs in skel…
chapter 7 muscle contraction
what are unique features of a muscle c…
what is a muscle fiber
what is the plasma membrane of a muscl…
what are the striations of a muscle fi…
multinucleated... postmitotic... contractile
muscle cell
sarcolemma... sarcoplasm
overlap of thick and thin filaments... dark area= A band... lighter…
what are unique features of a muscle c…
multinucleated... postmitotic... contractile
what is a muscle fiber
muscle cell
9 terms
3. Chapter 7 Muscle Fiber Contraction
muscle fiber contraction
TENSION
TENSION depends on
Muscle Tone
No change in filament length, Filaments slide past each other…
-when muscle cells contract and produce an active force ... -a m…
-the frequency of muscle fiber stimulation... -the number of mus…
resting tension in the muscle
muscle fiber contraction
No change in filament length, Filaments slide past each other…
TENSION
-when muscle cells contract and produce an active force ... -a m…
10 terms
Chapter 7 Muscle Quiz (muscle contraction)
step 1
step 2
step 3
step 4
When the nerve impulse reaches the axon terminals, a neurotra…
Ach attaches to receptors which makes the membrane more perme…
Na+ diffuses in and K+ rushes out, generating an action poten…
AP travels down T-tubules, which causes Ca2+ to be released f…
step 1
When the nerve impulse reaches the axon terminals, a neurotra…
step 2
Ach attaches to receptors which makes the membrane more perme…
32 terms
Chapter 7.2 (Physiology of Muscle Contraction)
axon tip, motor neuron, acetylocholine…
receptors, sarcolema, muscle impulse
over, sarcolemma, muscle fiber, transv…
calcium ions, sarcoplasmic reticulum
Contraction of a muscle fiber is initiated when the ___ ___ o…
Acetylocholine binds to ______ of the _____ causing the forma…
The muscle impulse spreads _____ the _____ and is carried int…
The muscle impulse in the muscle fiber triggers the release o…
axon tip, motor neuron, acetylocholine…
Contraction of a muscle fiber is initiated when the ___ ___ o…
receptors, sarcolema, muscle impulse
Acetylocholine binds to ______ of the _____ causing the forma…
12 terms
Unit 7: Muscle Contraction
Motor unit
Neuromuscular junction
Synaptic cleft
ATP
A motor neuron and all of the muscle fibers it innervates
point of contact between a motor neuron and a skeletal muscle…
space between the end (axon) of a neuron and a muscle cell
(adenosine triphosphate) main energy source that cells use fo…
Motor unit
A motor neuron and all of the muscle fibers it innervates
Neuromuscular junction
point of contact between a motor neuron and a skeletal muscle…
20 terms
Chapter 7: Nerve Supply and Muscle Contraction
motor neuron
neuromuscular junction
motor unit
pre-synaptic membrane
nerve cells that send action potentials to the muscle fiber
a synapse between a motor neuron and a muscle fiber
a motor neuron and all muscle fibers it innervates
the cell membrane of an axon terminal that faces the receivin…
motor neuron
nerve cells that send action potentials to the muscle fiber
neuromuscular junction
a synapse between a motor neuron and a muscle fiber
31 terms
Chapter 7 Bio 55 Muscle Anatomy and Contraction
Types of muscle (3)
Smooth muscle
Cardiac muscle
Skeletal muscle
Smooth muscle, cardiac muscle, and skeletal muscle
Makes up walls of hollow internal organs including mucous tra…
Makes up walls of heart
Attach to and move bones, skin and fasciae, and other muscles…
Types of muscle (3)
Smooth muscle, cardiac muscle, and skeletal muscle
Smooth muscle
Makes up walls of hollow internal organs including mucous tra…
13 terms
2. Chapter 7 The nervous system and skeletal muscle contraction
nervous system
neuromuscular junction
motor neuron
axon terminal
controls skeletal muscle contraction
point of contact between a motor neuron and a skeletal muscle…
1 .controls each muscle fiber ... 2. a neuron that sends an impu…
branches of the motor neuron which becomes part of the neurom…
nervous system
controls skeletal muscle contraction
neuromuscular junction
point of contact between a motor neuron and a skeletal muscle…
5 terms
Chapter 7: Steps of Muscle Contraction Part 2
action potential generation stops as A…
SR reabsorbs Ca+ causing concentration…
Ca+ concentration returning to normal…
without cross bridge interaction, no m…
Steps of muscle contraction 6
Steps of muscle contraction 7
Steps of muscle contraction 8
Steps of muscle contraction 9
action potential generation stops as A…
Steps of muscle contraction 6
SR reabsorbs Ca+ causing concentration…
Steps of muscle contraction 7
5 terms
Chapter 7: Steps of Muscle Contraction Part 1
ACh released by axon terminal at NMJ a…
resulting permeability change for Na+…
Ca+ is released from SR which increase…
Ca+ bind to troponin, moving tropomyos…
Steps of muscle contraction 1
Steps of muscle contraction 2
Steps of muscle contraction 3
Steps of muscle contraction 4
ACh released by axon terminal at NMJ a…
Steps of muscle contraction 1
resulting permeability change for Na+…
Steps of muscle contraction 2
Chapter 7 - Muscle System & Contractions
What are the three types of muscle?
Which two muscles have an autonomic ne…
which muscle is slower but has prolong…
which muscle does not easily fatigue?
1. skeletal ... 2. cardiac ... 3. smooth
1. smooth muscle 2. cardiac muscle
smooth muscle
smooth muscle
What are the three types of muscle?
1. skeletal ... 2. cardiac ... 3. smooth
Which two muscles have an autonomic ne…
1. smooth muscle 2. cardiac muscle
47 terms
Chapter 7 - Exctitation of Skeleltal Muscle: Neuromuscular Transmission and Excitation-Contraction Coupling
Skeletal muscle fibers are innervated by
The nerve fiber forms a complex of ___…
The entire nerve fiber, branching nerv…
The entire motor end plate is covered…
Large, myelinated nerve fibers that originate from large moto…
Branching nerve terminals.
Motor End Plate
Schwan Cells
Skeletal muscle fibers are innervated by
Large, myelinated nerve fibers that originate from large moto…
The nerve fiber forms a complex of ___…
Branching nerve terminals.
16 terms
Chapter 7 (BICH 410) - Protein Function: Myoglobin & Hemoglobin, Muscle Contraction, and Antibodies
Myoglobin (Mb)
Hemoglobin (Hb)
Neuroglobin
Cytoglobin
Small, intracellular protein in vertebrate muscle
Intracellular protein that transports oxygen and gives blood…
Present mainly in brain, retina, and endocrine tissues. Preve…
Occurs in most tissues. Prevents reperfusion injury
Myoglobin (Mb)
Small, intracellular protein in vertebrate muscle
Hemoglobin (Hb)
Intracellular protein that transports oxygen and gives blood…
Chapter 7 excitation of skeletal muscle: neuromuscular transmission and excitation-contraction coupling
Skeletal muscle innervated by:
Neuromuscular junction
Motor end plate
Synaptic cleft
Large myelinated nerve fibers originating in anterior horn of…
Nerve ending junction at muscle
Complex of branching terminals invaginating on surface of mus…
20-30 nm gap b/w terminal & fiber membrane
Skeletal muscle innervated by:
Large myelinated nerve fibers originating in anterior horn of…
Neuromuscular junction
Nerve ending junction at muscle
9 terms
ch.7- energy sources for muscle contraction
ATP
creatine phosphate
creatinine
glycogen
direct energy source for muscle contraction; lasts for a few…
is broken down for the resynthesis for ATP; converted to crea…
nitrogenous waste product, excreted by the kidneys
most abundant; stored in muscles, lasts longer than ATP; brok…
ATP
direct energy source for muscle contraction; lasts for a few…
creatine phosphate
is broken down for the resynthesis for ATP; converted to crea…
78 terms
CHEM 4511 Biochemistry I - Chapter 7: Protein Function: Myoglobin, Hemoglobin, Muscle Contraction, and Antibodies
Myoglobin
Hemoglobin
Heme Group
Oxygenation
- a small protein with relatively simple oxygen-binding behav…
- a tetramer of myoglobin-like polypeptide... - a more complicat…
- has a central Fe(II) atom liganded four N atoms of the poly…
- alters the electronic state of the Fe(II)-heme complex, as…
Myoglobin
- a small protein with relatively simple oxygen-binding behav…
Hemoglobin
- a tetramer of myoglobin-like polypeptide... - a more complicat…
24 terms
Ch 7 Anatomy Muscle Contraction
Functions of Muscular System
epimysium
perimysium
endomysium
produce skeletal movement ... maintain body position and posture…
collagen fibers that surrounds the entire muscle and separate…
divides muscle into compartments containing fascicles; surrou…
surrounds each skeletal muscle fiber and ties adjacent muscle…
Functions of Muscular System
produce skeletal movement ... maintain body position and posture…
epimysium
collagen fibers that surrounds the entire muscle and separate…
72 terms
chapter 17: muscle contraction
muscular system
general functions
characteristics of skeletal muscle cells
excitability
-is responsible for the moving the framework of the body... -in…
-movement of the body as a whole or movement of its parts... -he…
excitability (irritability) ... contractibility... extensibility
ability to be stimulated
muscular system
-is responsible for the moving the framework of the body... -in…
general functions
-movement of the body as a whole or movement of its parts... -he…
Contracts Chapter 7 Contract Provisions
statute of frauds
antenuptial agreement
prenuptial agreement
law requiring certain types of contracts to be in writing to…
contract entered into prior to marriage determining parties'…
same as antenuptial agreements
statute of frauds
law requiring certain types of contracts to be in writing to…
antenuptial agreement
contract entered into prior to marriage determining parties'…
17 terms
Chapter 48: Muscle Contraction
Skeletal Muscle Fiber
Tendons
Skeletal Muscle
Myofibril
Mostly voluntary control; contains bundle of fascicles, fasci…
Connect muscle to bone
A muscle that is attached to the bones of the skeleton and pr…
Has actin and myosin; Striated appearance of skeletal muscle-…
Skeletal Muscle Fiber
Mostly voluntary control; contains bundle of fascicles, fasci…
Tendons
Connect muscle to bone
7 steps of muscle contraction
1
2
3
4
depolarization of the sarcolemma resulting in an end plate po…
depolarization of membrane of t tubule, action potential trav…
depolarization of membrane of the terminal/lateral cisternae…
diffusion of calcium to myofilaments
1
depolarization of the sarcolemma resulting in an end plate po…
2
depolarization of membrane of t tubule, action potential trav…
Chapter 7 Nervous System (specifically steps to muscle contraction) Test 2A
Action #1
Action #2
Action #3
Action #4
Brain sends the action potential down the nerve
AP travels to the end of the nerve and hits the neurtrosmitters
AP causes ACH to be released to the nerve
Ach diffuses into the muscle
Action #1
Brain sends the action potential down the nerve
Action #2
AP travels to the end of the nerve and hits the neurtrosmitters
17 terms
Chapter 7 - Contracts
offer
acceptance
valid
void
a proposal by one party to another intended to create a legal…
a second party's unqualified willingness to go along with the…
legally good
having no legal force
offer
a proposal by one party to another intended to create a legal…
acceptance
a second party's unqualified willingness to go along with the…
24 terms
Test 7 muscle contraction
What is the sliding filament theory
1) Sliding filament theory: when the a…
Sliding filament theory: the myosin tw…
Sliding filament theory: myosin releas…
Created by Huxley brothers in 1954 created a theory that expl…
Myosin head bind
Shorten the sacromere
Z line
What is the sliding filament theory
Created by Huxley brothers in 1954 created a theory that expl…
1) Sliding filament theory: when the a…
Myosin head bind
Ch 7 excitation of Skeletal Muscle: Neuromuscular Transmission and Excitation-Contraction Coupling
calcium stimulates secreation of acety…
acetylcholine
acetylcholinestrase
impulse conducted through muscle ***
AP spreads over terminal>channels open & ENTRY of calcium ion…
removed rapidly by two means;... 1) acetylcholinestrase (most de…
the enzyme that destroys acetylcholine soon after it is liber…
Transmission of AP along T tubules that penetrate all way thr…
calcium stimulates secreation of acety…
AP spreads over terminal>channels open & ENTRY of calcium ion…
acetylcholine
removed rapidly by two means;... 1) acetylcholinestrase (most de…
52 terms
Chapter 7 Contracts and Contract Prep
Unilateral
Bilateral
Express
Implied
One party makes promise
Two party makes promise; each to another
Spoken or written
By action of parties
Unilateral
One party makes promise
Bilateral
Two party makes promise; each to another
Contract ; Chapter 7 Contract provision
Antenuptial agreement
Condition
condition concurrent
condition precedent
contract entered into prior to marriage determining parties r…
Fact or even the happening or nonhappening of which creates o…
promise to perform and performance occur simultaneously
fact or event that must occur before an absolute duty to perf…
Antenuptial agreement
contract entered into prior to marriage determining parties r…
Condition
Fact or even the happening or nonhappening of which creates o…
Muscle contraction - Chapter 10
Step 1
Step 2
Step 3
Step 4
Calcium ion is released from SR
Calcium ion binds to troponin
Myosin cross-bridges bind to the actin thin filament
Myosin head pivots toward the center of the Sarcomere (M line)
Step 1
Calcium ion is released from SR
Step 2
Calcium ion binds to troponin
7 terms
7 steps muscle contraction
one
two
three
four
nervous message down motor neuron
acetycholine crosses neuromuscular junction
impulse travels through t-tubules of sarcoplasmic reticulum..…
calcium binds to troponin(on actin)
one
nervous message down motor neuron
two
acetycholine crosses neuromuscular junction
10 terms
Lecture 7: Muscle Contraction
What did scientists in the 50's believ…
What categories can muscles be divided…
Draw the difference between Cardiac, S…
What two filaments make up sacromeres?…
Scientists believed the spiral shortening of proteins was the…
Muscles can be divided into smooth and striated muscles, stri…
Sarcomeres, the contractile unit of a skeletal muscle fiber,…
Actin is a protein that forms the thin filament of the sacrom…
What did scientists in the 50's believ…
Scientists believed the spiral shortening of proteins was the…
What categories can muscles be divided…
Muscles can be divided into smooth and striated muscles, stri…
20 terms
Chapter 7 Contracts
offer
acceptance
genuine agreement
consideration
One of the six elements of a valid contract. It is the propos…
One of the six elements of a valid contract. It is the unqual…
One of the six elements of a valid contract. It is when the o…
One of the six elements of a valid contract. It is the thing…
offer
One of the six elements of a valid contract. It is the propos…
acceptance
One of the six elements of a valid contract. It is the unqual…
HAP CHPT 7 Muscle Contraction and Neurons
Sarcomere
Myofibril
Fascicle
Tendon
A single contractile unit of a muscle.
The name given for a bundle of myofilaments (actin and myosin).
A bundle of muscle fibers.
Connects muscle to a bone.
Sarcomere
A single contractile unit of a muscle.
Myofibril
The name given for a bundle of myofilaments (actin and myosin).
20 terms
Chapter 6: Muscle Contraction
Step 1 of Muscle Contraction
Step 2 of Muscle Contraction
Step 3 of Muscle Contraction
Step 4 of Muscle Contraction
a nerve impulse reaches the axon terminals of motor neurons
calcium channels open, allowing calcium ions to enter the axo…
calcium ion entry causes vesicles to release acetylcholine
ACh diffuses across the synaptic cleft and bonds to receptors…
Step 1 of Muscle Contraction
a nerve impulse reaches the axon terminals of motor neurons
Step 2 of Muscle Contraction
calcium channels open, allowing calcium ions to enter the axo…
Chapter 48 Muscle Contraction
skeletal muscle
cardiac muscle
smooth muscle
muscle fibers
responsible for all voluntary movements as well as breathing,…
responsible for beating of the heart
creates movement in many hollow internal organs, such as dige…
skeletal muscle cells; large, multinucleate
skeletal muscle
responsible for all voluntary movements as well as breathing,…
cardiac muscle
responsible for beating of the heart
9 terms
Chapter 10: muscle contraction
muscle twitch
a muscle twitch is
a single twitch has
the latent period
there is an increase in force production when doing the movem…
a single response of a muscle cell due to a single stimulation
three phases (the latent period, the contractile phase, and t…
upon stimulation, the response is delayed. (if load is heavy,…
muscle twitch
there is an increase in force production when doing the movem…
a muscle twitch is
a single response of a muscle cell due to a single stimulation
14 terms
Chapter 9 Muscle Contraction
sliding filament theory
action potential
synapse
acetylcholine
...
message from nerve
...
...
sliding filament theory
...
action potential
message from nerve
14 terms
Muscle contraction chapter 10
Sliding filament theory
Action potential
Synapse
Acetylcholine
...
Message form nerve
Region where communication occurs between 2 end neurons
Neurotransmitter involved in mucsle contraction
Sliding filament theory
...
Action potential
Message form nerve
22 terms
Anatomy - Chapter 7 - Muscle terms
acetylcholine
3 types of muscle types
abdominal hernia
hernia
a neurotransmitter - carries nerve impulse across synaptic cl…
smooth, cardiac, skeletal
organs protrude through abdominal wall
organ protrude through a weak muscle
acetylcholine
a neurotransmitter - carries nerve impulse across synaptic cl…
3 types of muscle types
smooth, cardiac, skeletal
12 terms
Chapter 10 Muscle contraction
1
2
3
4
Electrical impulse travel in dentrites of motor neuron
Electrical Impulse travels out axon of motor neuron to axon t…
ACh released into synaptic cleft
ACh binds to and stimulates receptors on motor end plate of m…
1
Electrical impulse travel in dentrites of motor neuron
2
Electrical Impulse travels out axon of motor neuron to axon t…
29 terms
(7) Muscle Contraction
Striated Muscle
Smooth Muscle
Skeletal Muscle
Cardiac Muscle
-banding patterns in muscle seen under polarized light. Bandi…
bundles of muscle fibers surrounding hollow organs or tubes,…
-striated ... -connected to bone and responsible for movement of…
-striated... -intercalated disks... -heart muscle, spontaneous cont…
Striated Muscle
-banding patterns in muscle seen under polarized light. Bandi…
Smooth Muscle
bundles of muscle fibers surrounding hollow organs or tubes,…
7 terms
7 Steps of Muscle Contraction
Action potential generated, which stim…
Ca2+ released
Ca2+ binds to troponin, shifting the a…
Myosin cross bridges attach & detach,…
Step 1
Step 2
Step 3
Step 4
Action potential generated, which stim…
Step 1
Ca2+ released
Step 2
7 Steps of Muscle Contraction
Action potential generated, which stim…
Ca2+ released
Ca2+ binds to troponin, shifting the a…
Myosin cross bridges attach & detach,…
Step 1
Step 2
Step 3
Step 4
Action potential generated, which stim…
Step 1
Ca2+ released
Step 2
27 terms
chapter 9 (muscle contraction)
step 1
step 2
step 3
step 4
calcium is released by SR (sarcoplasmic reticulum)
calcium binds to troponin
troponin moves tropomyosin out of the way
actin active site is uncovered
step 1
calcium is released by SR (sarcoplasmic reticulum)
step 2
calcium binds to troponin
14 terms
Muscle contraction chapter 9
Sliding filament theory
Motor neuron
Axon terminal
Action potential
...
Nerve cells that activate skeletal muscle cells
End od neuron nearest to the target
Message from nerve
Sliding filament theory
...
Motor neuron
Nerve cells that activate skeletal muscle cells
11 terms
Capacity to Contract (Chapter 7)
Abandonment
Majority
Aliens
disaffirm a contract
Minor's surrender of special protection given to him or her b…
Legal adulthood
People who live in this country but owe their... allegiance to a…
To show the intent not to live up to the contract
Abandonment
Minor's surrender of special protection given to him or her b…
Majority
Legal adulthood
14 terms
muscle contraction chapter 9
sliding filament theory
motor neuron
axon terminal
action potential
theory that explains how muscle contraction occurs
nerve cells that activate skeletal muscle cells
often club-shaped endings by which axons make synaptic contac…
an electrical event that travels along a nerve fiber or muscl…
sliding filament theory
theory that explains how muscle contraction occurs
motor neuron
nerve cells that activate skeletal muscle cells
15 terms
Muscle Contraction Chapter 10
Neuromuscular junction
Excitation-Contraaction (E-C) coupling
Sarcomere: Crossbridge Cycling
What happens in the first step of the…
Release of neurotransmitters, Acetycholine (ACh) from the syn…
ACh binding propogation of an action potential along the sarc…
Ca2+ (calcium) binding to troponin triggers sliding thin fila…
Ca2+ binds with troponin in thin muscle filaments causing cha…
Neuromuscular junction
Release of neurotransmitters, Acetycholine (ACh) from the syn…
Excitation-Contraaction (E-C) coupling
ACh binding propogation of an action potential along the sarc…
14 terms
Muscle Contraction - chapter 9
Activation
Excitation-contraction coupling
Neuromuscular Junction
Action Potential
neural stimulation at a neuromuscular junction
Generation and propagation of an action potential along the s…
-Electrical signal from brain travels t the end of nerve.... -Si…
-Depolarization: Ach makes Na channel open and Na moves into…
Activation
neural stimulation at a neuromuscular junction
Excitation-contraction coupling
Generation and propagation of an action potential along the s…
ANATOMY CHPT 7 ENERGY SOURCES FOR MUSCLE CONTRACTION
ATP, creatine phosphate, and glycogen
ATP
glycogen
creatinine, kidneys
name the three sources of energy for muscle contraction, in t…
the second and third energy sources are actually used to prod…
the most abundant of the three energy sources is ____________…
when creatine phosphate is broken down to creatine plus phosp…
ATP, creatine phosphate, and glycogen
name the three sources of energy for muscle contraction, in t…
ATP
the second and third energy sources are actually used to prod…
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