Kopieren und bearbeiten

Exam 3 - Chapter 9, Part One

Beschreibung

Quiz am Exam 3 - Chapter 9, Part One, erstellt von Levi Chodorow am 19/03/2017.
Levi Chodorow
Quiz von Levi Chodorow, aktualisiert more than 1 year ago
Levi Chodorow
Erstellt von Levi Chodorow vor mehr als 9 Jahre
22
0
0

Zusammenfassung der Ressource

Frage 1

Frage
Which of the following is NOT considered one of the basic properties of muscle tissue?
Antworten
  • excitability
  • elasticity
  • support
  • Contractility

Frage 2

Frage
The primary role of this type of muscle tissue is to push fluid and solids along the digestive tract and to perform varied functions in other systems.
Antworten
  • Smooth muscle
  • Cardiac muscle
  • Skeletal muscle

Frage 3

Frage
The primary role of this type of muscle tissue is to push blood through arteries and veins in rhythmic contractions
Antworten
  • Skeletal muscle
  • Cardiac muscle
  • Smooth muscle

Frage 4

Frage
Movement of skeletal muscles is an involuntary contraction
Antworten
  • True
  • False

Frage 5

Frage
__________ muscles are contractile organs directly or indirectly attached to bones of the skeleton.
Antworten
  • Skeletal muscle
  • Cardiac muscle
  • Smooth muscle

Frage 6

Frage
_____ is the ability to continue to contract over a range of resting lengths
Antworten
  • Extensibility
  • Elasticity
  • Excitability
  • Contractility

Frage 7

Frage
The ability to respond to stimuli
Antworten
  • Excitability
  • Responsibility
  • Reaction
  • stimulated

Frage 8

Frage
The ability to rebound toward its original length
Antworten
  • Elasticity
  • Contractility
  • Stimulate
  • Flexion

Frage 9

Frage
Which of the following is/are considered function(s) of skeletal muscle? (Choose all that apply)
Antworten
  • produce skeletal movement
  • Maintain posture and body position
  • Support soft tissue
  • regulate entering and exiting of material
  • control of the body and communication among its parts.

Frage 10

Frage
Is control over swallowing, defecation, and urination voluntary or involuntary?
Antworten
  • Voluntary
  • Involuntary

Frage 11

Frage
Some of the energy used for contraction is converted to heat
Antworten
  • True
  • False

Frage 12

Frage
dense tissue that contain connective tissue wrapped around each muscle fiber, which binds each fiber to its neighbor
Antworten
  • Epimysium
  • Perimysium
  • Endomysium

Frage 13

Frage
dense tissue that divides the muscle into parallel compartments of fascicles (a bundle of structures)
Antworten
  • Perimysium
  • Epimysium
  • Endomysium

Frage 14

Frage
dense tissue that surrounds individual muscle fibers
Antworten
  • Endomysium
  • Perimysium
  • Epimysium

Frage 15

Frage
Nerves innervate the muscle by penetrating the _______
Antworten
  • epimysium
  • Endomysium
  • Perimysium

Frage 16

Frage
There is a chemical communication between a nerve and a muscle The chemical is released into the _____
Antworten
  • neuromuscular junction (aka, neuromuscular synapse)
  • Axon
  • Axon Terminal
  • Synaptic Cleft

Frage 17

Frage
• Blood vessels often parallel the nerves that innervate the muscle. • They then ______
Antworten
  • branch to form coiled networks to accommodate flexion and extension of the muscle
  • dont do anything at all
  • branch to form coiled networks to push blood through arteries and veins
  • flood the body with neural activity

Frage 18

Frage
Membrane that surrounds the muscle cell
Antworten
  • Sarcolemma
  • Sarcoplasm
  • Muscle fiber
  • myofilaments

Frage 19

Frage
The cytosol (the aqueous component of the cytoplasm of a cell) of the muscle cell
Antworten
  • Sarcoplasm
  • Muscle fiber
  • Sarcolemma
  • myosatellite cells

Frage 20

Frage
______ is the same thing as muscle cell
Antworten
  • Muscle fiber
  • Sarcoplasm
  • Sarcolemma
  • myosatellite cells

Frage 21

Frage
Where are nuclei of muscle fibers located?
Antworten
  • just deep to the sarcolemma
  • in the sarcolemma
  • in the Sarcoplasm
  • just deep to the Sarcoplasm
  • the muscle fibers dont have nuclei

Frage 22

Frage
______ are responsible for the contraction of muscles
Antworten
  • myofibrils
  • myofilaments
  • Muscle fibers
  • sarcomeres

Frage 23

Frage
______ are attached to the sarcolemma at each end of the muscle cell
Antworten
  • myofibrils
  • myofilaments
  • sarcomeres
  • Muscle fibers

Frage 24

Frage
______ surrounds each myofibril
Antworten
  • sarcoplasmic reticulum
  • epimysium
  • myosin
  • myofilaments

Frage 25

Frage
_____ are structures that consist primarily of the proteins actin and myosin
Antworten
  • myofilaments
  • Cisternae
  • Sarcolemmas
  • Sarcomeres

Frage 26

Frage
______ are thin protein filaments in myofilaments
Antworten
  • Actin
  • Myosin
  • titin
  • troponin

Frage 27

Frage
______ are thick protein filaments in myofilaments
Antworten
  • Myosin
  • Actin
  • troponin
  • titin

Frage 28

Frage
All the myofilaments are arranged parallel to the long axis of the cell
Antworten
  • True
  • False

Frage 29

Frage
______ are/is the main functioning unit of muscle fibers
Antworten
  • Sarcomere
  • myofibrils
  • Muscle fibers
  • mybrofiber

Frage 30

Frage
_____ creates the striations that give the skeletal muscle its identifiable characteristic
Antworten
  • overlapping actin and myosin (A Band)
  • separation of actin and myosin
  • the 10,000 myofibril per sarcomere
  • The Z Line (Z disc)

Frage 31

Frage
Within a sarcomere, the region between the A band and the Z line that contains of only thin filaments is the __________.
Antworten
  • I band
  • M line
  • H band
  • zone of overlap

Frage 32

Frage
Overlapping _____ bands create striations
Antworten
  • Z bands
  • I band
  • A band
  • H band
  • M line

Frage 33

Frage
_____ is a protein that covers the binding sites when the muscle is relaxed
Antworten
  • Tropomyosin
  • Troponin
  • titin
  • nebulin

Frage 34

Frage
Know this picture . . . https://image.slidesharecdn.com/ch09lecturepresentation-140913123742-phpapp01/95/dr-b-ch-09lecturepresentation-15-638.jpg?cb=1410612013 Skeletal muscles consist of muscle fascicles • Muscle fascicles consist of muscle fibers • Muscle fibers consist of myofibrils • Myofibrils consist of sarcomeres • Sarcomeres consist of myofilaments • Myofilaments are made of actin and myosin
Image:
83e6493f-4a88-4ff3-8e78-df2a680930cd (image/jpeg)
Antworten
  • ok
  • no

Frage 35

Frage
Which of the following statements regarding thick filaments is FALSE?
Antworten
  • Myosin heads project toward the actin filaments
  • Adjacent thick filaments are interconnected by proteins of the H band.
  • Myosin filaments consist of an elongated tail and a globular head
  • A core of titin connects the Z lines

Frage 36

Frage
Which of these consists of Actin?
Antworten
  • Thin Filaments
  • Thick Filaments

Frage 37

Frage
Which of these consists of Myosin?
Antworten
  • Thin Filaments
  • Thick Filaments

Frage 38

Frage
A contracting muscle shortens in length
Antworten
  • True
  • False

Frage 39

Frage
Contraction is caused by interactions between _______ and _______ within the sarcomere
Antworten
  • thick and thin filaments
  • myofibrl and fascicle
  • epimysium and perimysium
  • I band and H band

Frage 40

Frage
Contraction is triggered by the presence of ______
Antworten
  • calcium ions
  • phosphate ions
  • collagen fibers

Frage 41

Frage
Arrange the following from smallest structure to largest structure: (perhaps do it on a piece of paper): a. Muscle cell or muscle fiber b. Fascicle c. Myofilaments d. Whole skeletal muscle e. Myofibril
Antworten
  • Myofilaments, Myofibril, Muscle cell or muscle fiber, Fascicle, Whole skeletal muscle
  • dont got it

Frage 42

Frage
According to the sliding filament theory when a muscle contracts, what happens?
Antworten
  • The thick filaments slide past the thin filaments, and the sarcomere shotens.
  • The thin filaments slide past the thick filaments, and the sarcomere shortens.
  • actin filaments slide away from each other allowing the fibers in the muscle to contract

Frage 43

Frage
What controls muscle fibers?
Antworten
  • motor unit
  • motor unit and motor neuron
  • motor neuron
  • muscles
  • None of the listed responses is correct.

Frage 44

Frage
Motor Units (Motor Neurons Controlling Muscle Fibers) have two types of control. The control over the eye muscles is an example of _________; meaning a ___________.
Antworten
  • Precise control; motor neuron controlling two or three muscle fibers
  • less precise control; motor neuron controlling two or three muscle fibers
  • Precise control; A motor neuron controlling perhaps 2000 muscle fibers
  • less precise control; A motor neuron controlling perhaps 2000 muscle fibers

Frage 45

Frage
__________ refers to the condition in which muscles of the body remain semi-contracted for an extended period
Antworten
  • Muscle tension
  • Muscle contraction
  • Muscle retraction

Frage 46

Frage
Muscle tension depends on (choose all that apply)
Antworten
  • The frequency of stimulation
  • The number of motor units involved

Frage 47

Frage
A ______ is a motor neuron controlling Muscle Fibers
Antworten
  • Motor Units
  • muscle fascicles
  • motor neurons
  • neural pathway

Frage 48

Frage
______ is the tension of a muscle when it is relaxed
Antworten
  • Muscle Tone
  • Muscle Control
  • Muscle Contraction
  • Resting Muscle

Frage 49

Frage
_______ stabilizes the position of bones and joints. An example would be the amount of muscle involvement that results in normal body posture
Antworten
  • Resting Muscle
  • Muscle Contraction
  • Muscle Tone
  • Muscle Control

Frage 50

Frage
_______ are specialized muscle cells that are monitored by sensory nerves to control muscle tone
Antworten
  • Muscle Spindles
  • Muscle Fibers
  • red fibers
  • white fiber

Frage 51

Frage
Enlargement of the muscle is known as _______
Antworten
  • Muscle Hypertrophy
  • Muscle Atrophy
  • Myopathies

Frage 52

Frage
Exercise causes (choose all that apply)
Antworten
  • An increase in the number of mitochondria
  • An increase in the activity of muscle spindles
  • An increase in the concentration of glycolytic enzymes
  • An increase in the glycogen reserves
  • An increase in the number of myofibrils

Frage 53

Frage
______ is the discontinued use of a muscle
Antworten
  • Muscle Atrophy
  • Muscle Hypertrophy
  • Myopathies

Frage 54

Frage
What is muscle tone?
Antworten
  • the reduction in muscle size, tone, and power
  • the resting tension of skeletal muscles
  • a single contraction
  • muscle recruitment

Frage 55

Frage
the study of, Myofibrils, Myofilaments, Sarcomeres is _______
Antworten
  • Microscopic anatomy
  • Gross anatomy

Frage 56

Frage
Myofibrils are bundles of myofilaments (protein filaments).
Antworten
  • True
  • False

Frage 57

Frage
Humans rely on muscles for:
Antworten
  • Many of our physiological processes
  • Virtually all our dynamic interactions with the environment
  • Stores minerals needed by blood cells.
  • Oxen-agates the body

Frage 58

Frage
Epimysium, perimysium, and endomysium converge to form ______. (Read them all)
Antworten
  • tendons
  • connective tissue
  • Aponeuroses
  • All of these (they're the same thing - tends = bundle, aponeuroses = sheet)

Frage 59

Frage
Myosin (thick filament) and Actin are arranged in repeating units called _______
Antworten
  • sarcomeres
  • tropomyosin
  • muscle waves
  • transverse tubules

Frage 60

Frage
Thin Filaments (Actin) Consists of twisted filaments of F actin strands and G actin globular molecules. Which of these consists of an active site (binding site)
Antworten
  • G actin molecules
  • F actin strand

Frage 61

Frage
One sarcomere can defined as _____ line to _____ line
Antworten
  • z to z
  • a to a
  • h to h
  • b to b

Frage 62

Frage
This is a picture of a portion of a sarcomere. What bank is represented by the red on the bottom. This is a stack of Actin and Z line.
Image:
0717679d-220b-4b17-93ea-0bfd63888152 (image/png)
Antworten
  • I band
  • Z line
  • B line
  • H line

Frage 63

Frage
In between the I bands is the ____ band. This is represented by the green in this picture.
Image:
b50cf2aa-4654-4c9b-83d7-97b45b1d87c5 (image/png)
Antworten
  • A band
  • B band
  • Boy band
  • Z band

Frage 64

Frage
In this picture the orange is the H zone. In the H zone there is only myosin and it is therefore less dark than the rest of the A band where actin and myosin are stacked.
Image:
7e311da6-6b28-4e69-ae22-f7c6fa1f5749 (image/png)
Antworten
  • True
  • False

Frage 65

Frage
Muscle fiber also contains an abundance of WHAT, a starchlike carbohydrate that provides energy for the cell during heightened levels of exercise.
Antworten
  • glycogen
  • calcium
  • calcium phosphate
  • cytosol

Frage 66

Frage
Part of actin filaments. A thin filament also has molecules of protein called WHAT (an elongated protein winds along the groove of the F actin).
Antworten
  • Tropomyosin
  • Troponin
  • titin
  • myoblast

Frage 67

Frage
Each tropomyosin molecule has a smaller calcium-binding protein called WHAT bound to it. Holds tropomyosin in position
Antworten
  • titin
  • myoblast
  • troponin
  • myosin

Frage 68

Frage
a light band; from Z disks to ends of thick filaments
Antworten
  • I band
  • h band
  • a band
  • z band

Frage 69

Frage
n the middle of the A band, there is a lighter region called the WHAT, into which the thin filaments do not reach.
Antworten
  • H band
  • B band
  • z band
  • I band

Frage 70

Frage
The thick filaments originate at a dark WHAT in the middle of the H band.
Antworten
  • M Line
  • Z line
  • K line
  • S line

Frage 71

Frage
Each light I band is bisected by a dark narrow WHAT which provides anchorage for the thin filaments
Antworten
  • Z disk
  • M line
  • H band
  • I band

Frage 72

Frage
Each segment of a myofilament from one Z disc to the next is called a WHAT
Antworten
  • muscle fiber
  • myofibril
  • sarcomere

Frage 73

Frage
Myofilaments are made of actin and myosin
Antworten
  • True
  • False

Frage 74

Frage
Study of Perimysium, Endmysim and epimysium
Antworten
  • gross
  • microscopic
Zusammenfassung anzeigen Zusammenfassung ausblenden

Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.

ähnlicher Inhalt

Bibliothek durchsuchen