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A&p > Chapters 8-10 > Flashcards

Chapters 8-10 Flashcards

1
Q

A fibrous joint that is a peg in socket is called a

A

Gomphosis joint

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2
Q

The cruciate ligament of the knee…

A

Prevent hyperextension of the knee

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3
Q

Articular Cartilage found at the ends of the long bone serves to

A

Provide a smooth surface at the end of synovial joints

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4
Q

Connected tissue sacs lined with synovial membrane that act as cushions in places where friction develops

A

Bursae

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5
Q

The gliding motion of the wrist uses…

A

Plane joints

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6
Q

All synovial joints are freely movable

A

True

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7
Q

And synthesis joints the articular surfaces of the bones are covered with

A

Hyaline cartilage

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8
Q

Semilunar Cartledge pads

A

Menisci

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9
Q

Moving a limb away from the median plane of the body along the frontal plane

A

Abduction

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10
Q

Inversion and Eversion pertain to what

A

Feet

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11
Q

What ligament of the knee initiates the knee-jerk reflex when tapped

A

The patellar ligament

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12
Q

Pointing the toes is an example of

A

Plantar flexion

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13
Q

An example of an interosseous fibrous joint is

A

The radius and ulna along its length

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14
Q

What acts as friction reducing structures

A

Tendon sheaths

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15
Q

Which muscle cells have the greatest ability to regenerate

A

Smooth

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16
Q

Most skeletal muscles contain

A

A mixture of fiber types

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17
Q

Stores oxygen in muscle cells

A

Myoglobin

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18
Q

The major function of the sarcoplasmic reticulum in muscle contraction is to

A

Regulate intracellular calcium concentration

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19
Q

What surrounds individual muscle cells

A

Endomysium

20
Q

Rigor mortis occurs because…..

A

No ATP is available to release attached actin and myosin molecules

21
Q

Functional unit of a skeletal muscle

A

Sarcomere

22
Q

The muscle changes in length and move the load during

A

Isotonic contraction

23
Q

Striated muscle cells are…

A

Long in cylindrical with many nuclei

24
Q

A state of sustained partial contraction

A

Muscle tone

25
Q

The most distinguishing characteristic of muscle tissue

A

The ability to transport chemical energy in mechanical energy

26
Q

What part of the sarcolemma contains acetylcholine receptors

A

Motor end plate

27
Q

Major factor controlling how levers work

A

The difference in the positioning of effort, load, and fulcrum

28
Q

The main factor that determines the power of a muscle

A

The total number muscle cells available for contraction

29
Q

Most powerful muscle in the body

A

Quadriceps

30
Q

Which group of muscles flexes and rotates the neck

A

The scalenes

31
Q

Muscles are not classified by their

A

Type of fibers

32
Q

Which muscle group is involved when A pulled groin occurs

A

Thigh adductors

33
Q

Which muscles are contracted to exhale forcibly

A

Internal intercoastal and rectus abdominus

34
Q

Extracapsular ligament stabilizing the knee include…

A

Lateral and medial collateral ligament‘s preventing lateral and medial angular movements

35
Q

Fibrous joints are classified as

A

Sutures, syndesmoses, and gomphoses

36
Q

Permit essentially no movement

A

Synarthrotic joints

37
Q

Articulations permitting only slight degrees of movement

A

amphiarthroses

38
Q

The role of tropomyosin in skeletal muscles

A

Serves as a contraction inhibitor by blocking the myosin binding sites on the actin molecules

39
Q

Fatigue muscle cells that recover rapidly are the products of

A

Intense exercise of short duration

40
Q

Calcium storage

A

Sarcoplasmic reticulum

41
Q

A sheet like indirect attachment to a skeletal element

A

Aponeurosis

42
Q

Contractile unit of a skeletal muscle

A

Myofibrils

43
Q

Enhance cellular communication during muscle contraction

A

T Tubules

44
Q

Stretching of the muscle is a component of a standard treatment for a muscle strain

A

False

45
Q

Pyruvic acid is converted to …. during vigorous exercise

A

Lactic acid

A&p (4 decks)

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