Muscular System

Question 1

make up 42% of body weight, consisting of long, slender cells known as fibers.

Answer 1

Muscles

Question 2

Muscular system consist of longs lenders cells that are known as what

Answer 2

Fibers

Question 3

This connective tissues or fibers that compose the muscles are enclosed by a fibrous sheath

Answer 3

Fascia

Question 4

Are responsible for all types of body movements they contract or shortens and are the machines of the body

Answer 4

Muscles

Question 5

What are the three types of muscle tissues

Answer 5

Skeletal smooth and cardiac

Question 6

Are responsible for movement maintain posture produces heat or maintaining temperature

Answer 6

Muscles

Question 7

What does muscles do when during cold temperature

Answer 7

They contract to produce heat

Question 8

This type of muscle tissue are described as it is close or parallel to each other

Answer 8

Skeletal muscle tissue

Question 9

This type of muscle tissues are described that are filled with woven fibers

Answer 9

Smooth muscle tissue

Question 10

This type of muscle tissue are described as filled with mitochondria

Answer 10

Cardiac muscle tissue

Question 11

It is a muscle that a person can control

Answer 11

Voluntary muscle

Question 12

Movement that a person can control and it is with conscious control

Answer 12

Voluntary muscle

Question 13

It is a muscle that can functions without a person’s control

Answer 13

Involuntary muscle

Question 14

Doesn’t have a conscious control and its examples are the heart the lungs the stomach the livers and the diaphragm

Answer 14

Involuntary muscle

Question 15

voluntary, striated):
- Attached to bones, enabling movement.
- Works in pairs (one muscle contracts, the other relaxes).
- Controlled by the nervous system.

Answer 15

Skeletal muscle

Question 16

(involuntary):
- Found in internal organs (e.g., stomach, intestines).
- Controls movements within the body.

Answer 16

Smooth muscle

Question 17

(involuntary, striated):
- Found only in the heart, responsible for pumping blood.
- Controlled by electrical impulses from the heart’s pacemaker (sinoatrial node).

Answer 17

Cardiac muscle

Question 18

They do not work on isolation

Answer 18

Skeletal muscles

Question 19

It modifies the four speed direction of movement produced by muscle contraction

Answer 19

Attaching the muscles to a lever

Question 20

They act as a flexor

Answer 20

Biceps

Question 21

They act as supports to the flexor or as the extensors

Answer 21

Triceps

Question 22

Skeletal muscles are attached to and move bones by contracting and relaxing in response to voluntary messages from where?

Answer 22

Nervous system

Question 23

It is the long cells that composes the skeletal muscle tissue that have a striated appearance

Answer 23

Muscle fibers

Question 24

Provides skeletal movement control entrances and exits of digestive tract produces heat and support skeletal position to protect soft tissues

Answer 24

Skeletal muscles (700)

Question 25

Support and positions axial skeleton

Answer 25

Axial muscle

Question 26

Support move and brace limbs

Answer 26

Appendicular muscle

Question 27

Harness forces of contraction to perform specific task

Answer 27

Tendons, aponeuroses

Question 28

What provides to the stimulus

Answer 28

Nerves

Question 29

How the muscles make up the bulk of the weight in our body

Answer 29

By accumulating 1/3 of the it's weight

Question 30

Straight: Elongated long straight

Answer 30

Rectus

Question 31

Largest or big

Answer 31

Maximus

Question 32

Located at the hollow organs

Answer 32

Smooth muscle

Question 33

Located at the temporal bone, helps you squint your eyes

Answer 33

Temporalis

Question 34

Muscles origin and insertion

Answer 34

Sterno located at the sternum

Question 35

What's the shape of deltoid?

Answer 35

Triangular

Question 36

Fibers run parallel to the muscle’s long axis (most skeletal muscles).

Answer 36

Parallel muscles

Question 37

Fibers spread out like a fan and converge on a common attachment site.

Answer 37

Convergent muscles

Question 38

Fibers form an angle with the tendon, producing more tension

Answer 38

Pennate muscles

Question 39

Surround body openings, acting as valves (e.g., muscles around the mouth orbicularis oris).

Answer 39

Circular muscles

Question 40

muscles flex or extend bones

Answer 40

flexor* and *extensor*

Question 41

Fibers fan out and converge at a common attachment point. - Example: Pectoralis major.

Answer 41

Convergent muscles**:

Question 42

Fibers run parallel to the long axis of the muscle. - Most skeletal muscles fall into this category. - Examples: Biceps brachii, rectus abdominis.

Answer 42

Parallel muscles

Question 43

Fibers are arranged at an angle to the tendon. - **Unipennate** (one side of the tendon), **bipennate** (both sides), **multipennate** (multiple tendons).Example: Deltoid (multipennate).

Answer 43

Pennate muscles

Question 44

Fibers are arranged at an angle to the tendon. - **Unipennate** (one side of the tendon), **bipennate** (both sides), **multipennate** (multiple tendons).

Answer 44

Pennate muscles

Question 45

Fibers are arranged in a circular manner, controlling body openings. - Example: Orbicularis oris (controls the lips).

Answer 45

Circular muscles**

Question 46

Types of Muscle Contractions

Answer 46

Isotonic and isometric

Question 47

Ability to respond to stimuli.

Answer 47

Excitability

Question 48

Ability to contract. When the actin and myosin filament slide across each other

Answer 48

Contractility

Question 49

Ability to stretch without damage.

Answer 49

Extensibility

Question 50

Ability to return to original shape.

Answer 50

Elasticity

Question 51

Muscles can enlarge (hypertrophy) or shrink (atrophy) based on use

Answer 51

Adaptability

Question 52

Is attained due to a muscle moving or an attached bone

Answer 52

Movement

Question 53

IT is the sole fuel to muscle contractions

Answer 53

Atp or Adenosine Triphosphate

Question 54

Attachment to an immovable bone

Answer 54

Origin

Question 55

Attachment to a movable bone

Answer 55

Insertion

Question 56

Muscle shortens, causing movement. Myofilaments are able to slide past each other during contractions

Answer 56

Isotonic contractions

Question 57

Muscle tension increases during relaxation without shortening.

Answer 57

Isometric contractions

Question 58

5 body movements

Answer 58

Adduction abduction rotation flexion extension

Question 59

What are the functions of muscles

Answer 59

Produce movement stabilizes the joint maintain posture generate heat communication and respiration

Question 60

The ability to adapt and that it can be change in response to how it is used

Answer 60

Adaptability

Question 61

Muscles are attached to at least two points which are

Answer 61

The origin and insertion

Question 62

Sense electric shock to the heart of the patient

Answer 62

Defibrillator

Question 63

Myofilaments are able to slide past each other during contractions and are able to shorten

Answer 63

Isotonic contractions

Question 64

Tension increases in the muscle and is unable to shortens

Answer 64

Isometric contractions

Question 65

Even when muscles are not actively moving, some fibers contract to maintain **muscle tone**.

Answer 65

Muscle tone

Question 66

Different fibers contract at different times to provide continuous muscle tone.

Answer 66

Involuntary conyrol

Question 67

occurs if muscles are not used or if they are injured, leading to a loss of muscle tone and shrinking.

Answer 67

Atrophy

Question 68

occurs if muscles are not used or if they are injured, leading to a loss of muscle tone and shrinking.

Answer 68

Atrophy

Answer 69

1. **Increasing muscle size** (hypertrophy). 2. **Increasing muscle strength**. 3. **Improving muscle efficiency**. 4. Making muscles more **resistant to fatigue**.

Question 70

**Involuntary** muscles found in the walls of hollow organs (e.g., intestines, blood vessels).

Answer 70

Smooth muscles

Question 71

This is called as an involuntary muscle because it works automatically rather than under conscious control

Answer 71

Smooth muscle

Question 72

Non-striated** and **spindle-shaped**. - Functions include moving food through the digestive system and regulating blood flow by controlling blood vessel width. - Slow, sustained, and tireless contractions. - Smooth muscles line the stomach, intestines, and bladder.

Answer 72

Smooth muscle

Question 73

They are single-nucleated. - Found in the digestive system and blood vessels. - Help regulate organ functions without conscious control.

Answer 73

Smooth muscles

Question 74

It makes up the walls of the heart and is part of the muscular system and circulatory system

Answer 74

Cardiac muscle

Question 75

Involuntary**, **striated** muscles found only in the heart. - **Myocardium**: The thick, muscular layer of the heart wall responsible for heartbeats. - Controlled by **intrinsic electrical impulses** from the **sinoatrial node** (the heart’s natural pacemaker). - More **mitochondria** compared to skeletal muscles, allowing continuous energy for heartbeats. - **Intercalated discs** connect cardiac muscle cells, ensuring synchronized heartbeats.

Answer 75

Cardiac muscle

Question 76

Involuntary**, **striated** muscles found only in the heart. - **Myocardium**: The thick, muscular layer of the heart wall responsible for heartbeats. - Controlled by **intrinsic electrical impulses** from the **sinoatrial node** (the heart’s natural pacemaker). - More **mitochondria** compared to skeletal muscles, allowing continuous energy for heartbeats. - **Intercalated discs** connect cardiac muscle cells, ensuring synchronized heartbeats.

Answer 76

Cardiac muscle

Question 77

- Striated appearance. - **Single nucleus** per cell. - **Steady pace** due to the heart’s pacemaker.

Answer 77

Cardiac muscle

Question 78

Attach muscle to a bone

Answer 78

Tendons

Question 79

Fibrous sheath that encloses muscles it protects muscle

Answer 79

Fascia

Question 80

Muscle contractions begin when _______________ it send signals

Answer 80

The nervous system

Question 81

Where does the signal travel from our nervous system to our body in a single cell

Answer 81

Motor Neuron

Question 82

Name of the place where motor neuron reaches a muscle cell

Answer 82

Neuromuscular junction

Question 83

Name of the place where motor neuron reaches a muscle cell

Answer 83

Neuromuscular junction

Question 84

Fuel to muscle movement and contractions

Answer 84

ADENOSINE TRIPHOSPHATE

Question 85

Fuels the signal to send information to the stimulus to the brain

Answer 85

Neuro transmitter

Question 86

When a clot in a blood vessel interrupts the blood flow to the brain a muscle does not receive the signal to contract

Answer 86

A stroke or cerebrovascular accident

Question 87

Assessing your muscular changes act

Answer 87

FAST

Question 88

What does FAST stands for

Answer 88

F stands for face a stands for arms s stands for speech and t stands for time

Question 89

Also known as oculomotor

Answer 89

Extrinsic eye muscle

Question 90

Originate on the surface of the orbit and controls the position of the eye

Answer 90

Oculomotor muscles or extensic eye muscles

Question 91

Clenching or grinding of teeth during sleeping

Answer 91

Beaxism

Question 92

Where does the muscle of mastication move the mandible

Answer 92

Temporo-mandibular joint or tmj

Question 93

It is the strongest jaw muscle

Answer 93

Masseter

Question 94

Assist in elevating the mandible by clenching the teeth while resting the hand on the side of the face below and then above the zygomatic arch

Answer 94

Temporalis

Question 95

As various combinations can elevate depress protract the mandible or slide it from side to side

Answer 95

Pterygoid

Question 96

Strongest jaw muscle.

Answer 96

Masseter

Question 97

Elevates the mandible (jaw).

Answer 97

Temporalis

Question 98

Elevates the mandible (jaw).

Answer 98

Temporalis

Question 99

Assist in jaw movement (side to side).

Answer 99

Pterygoid

Question 100

What are the muscle of inspiration in respiration

Answer 100

Diaphragm,external intercostal, pectoralis minor and scalene

Question 101

What are the muscle of expiration in respiration

Answer 101

Internal intercostal and transverse thoracics

Question 102

What are the muscles in the pelvic floor

Answer 102

Bulbospongiosus, levator ani, ischiocavernosus, superficial transverse and coccygeus

Question 103

Also referred as the central tendon in the perineum

Answer 103

Perineal body

Question 104

Is a fire draw muscular structure located at the middle of the perineum

Answer 104

Perineal body

Question 105

Nasa allow us to move but sometimes the wear and tear that comes from moving our bodies can lead to disorders of the muscular system

Answer 105

Muscular system pathologies: common disorders and conditions

Question 106

Caused by overstretching or tearing of muscle fibers.

Answer 106

Strains

Question 107

A stream muscle or cold muscle is a painful injury that may happen when muscles are overwork or stretched too much or too quickly

Answer 107

Strains

Question 108

Overuse of tendons may lead to painful swelling and irritation

Answer 108

Tendonitis

Question 109

is a strong, uncontrolled muscle contraction.

Answer 109

muscle cramp

Question 110

Is also called median nerve compression occurs when tendons become inflamed causing compression of the median nerve

Answer 110

Carpal tunnel syndrome

Question 111

Between the carpal ligament which restrains and aligns the tendons that move the hands and fingers

Answer 111

Carpal tunnel

Question 112

The decrease in size and wasting of muscle tissues

Answer 112

Muscular atrophy

Question 113

It occurs because of the weakening muscles in the lower abdomen

Answer 113

Inguinal hernia

Question 114

A bulge occurs in the groin median the aerial between the lower part of the abdomen and tie

Answer 114

Inguinal hernia

Question 115

A condition in which increase pressure within the muscle compartment of a leave produces ischemia or blood starvation

Answer 115

Compartment syndrome