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Nursing Science 2 - EXAM 1 > Week 4 - QUIZZES > Flashcards

Week 4 - QUIZZES Flashcards

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1
Q

A motor neuron and all the muscle fibers it stimulates form a…

A

motor unit

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2
Q

Excitability refers to the ability of a cell to…

A

respond to a stimulus by producing an electrical signal

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3
Q

Muscle contraction is triggered by impulses carried over…

A

motor neurons

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4
Q

Muscles generate heat, stabilize the body positions and..

A

produce body movements

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5
Q

Myofibrils are composed primarily of…

A

Actin and myosin

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6
Q

What properties of muscle tissue has its ability to generate tension to do work?

A

Contractility

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7
Q

The motor end plate is part of a…

A

Skeletal muscle cell at the synapse

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8
Q

Which type of muscle tissue is involuntary, slow in contracting, and able to regenerate considerably better than other types of muscle?

A

Smooth muscle

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9
Q

A muscle which functions as the prime mover is called a

A

Agonist

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10
Q

An adductor muscle…

A

Moves a part of the body toward the midline

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11
Q

Antagonistic muscle groups

A

Perform opposite functions

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12
Q

In order for skeletal muscles to cause movement they must…

A

cross at least one joint

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13
Q

One of the largest, heaviest muscles of the body which is the chief extensor of the femur is the

A

Gluteus maximus

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14
Q

The Achilles tendon attaches (inserts) on the

A

calcaneus

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15
Q

The hamstring muscles act to

A

flex the leg and extend the thigh

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16
Q

The masseter muscle is located in the

A

Head

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17
Q

The medial compartment of the thigh contains muscles that _______ the thigh.

A

Adduct

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18
Q

The preferred site of injection in the buttocks region is the

A

gluteus medius

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19
Q

The strength and stability of the shoulder joint is provided by the

A

muscles and tendons of the rotator cuff

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20
Q

Tendinitis of the tibialis anterior can result in a painful condition commonly known as

A

shinsplints

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21
Q

Which muscle flexes the vertebral column?

A

rectus abdominis

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22
Q

A bone which has an epiphysis at each end is a

A

Long bone

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23
Q

A callus is

A

a mass of repair tissue that bridges the ends of a broken bone

24
Q

As epiphyseal cartilage cells stop dividing and are replaced by bone, the result is a bony structure called the

A

epiphyseal line

25
Q

Compact bone…

A

is arranged in units called osteons

26
Q

Hemopoiesis occurs in..

A

red marrow

27
Q

If epiphyseal plates are visible in an X-ray the bone is…

A

still growing in length

28
Q

In adults, lipids are stored in the

A

yellow marrow

29
Q

Osteoclasts:

A

break down the bone matrix

30
Q

Spongy bone is found in:

A

the epiphyses of long bones

31
Q

When blood calcium levels rise above normal, osteoclast activity is inhibited by the hormone

A

calcitonin

32
Q

When there is too little calcium in blood, which cells begin resorption of bone to release calcium to the blood?

A

osteoclasts

33
Q

What is found in the epiphyseal plate?

A

chondrocytes

34
Q

True or false: Vitamin D production is a function of the skeletal system

A

False

35
Q

During the later stages of pregnancy, hormones increase the flexibility of this joint to allow for the delivery of the fetus.

A

symphysis pubis

36
Q

The acetabulum….

A

is formed by the ischium, ilium and pubis

37
Q

The glenoid cavity is…

A

a depression for articulation with the head of the humerus

38
Q

The longest, heaviest, and strongest bone of the human skeleton is the

A

femur

39
Q

The pectoral girdle consists of the

A

scapula and clavicle

40
Q

The radius is located on the ___________ side of the forearm.

A

thumb

41
Q

When you sit, the part of the hip that touches the seat of the chair is the

A

ischial tuberosity

42
Q

An opening in a bone through which blood vessels and nerves pass is a..

A

foramen

43
Q

Besides the auditory ossicles, the only moveable bone of the skull is the…

A

mandible

44
Q

How many lumbar vertebrae are there in a normal vertebral column?

A

5 fused

45
Q

If a person slipped on the ice and hit in the back of the head, what bone might most likely be fractured?

A

Occipital bone

46
Q

Soft spots in the skull filled with fibrous connective tissue which will eventually be replaced by bone are called

A

fontanels

47
Q

Spinal nerves enter and leave the spinal cord through passages between the vertebrae called…

A

intervertebral foramina

48
Q

The foramen magnum is found in the…

A

occipital bone

49
Q

What type of bone is the sternum?

A

Flat bone

50
Q

Which bone of the skull articulates with (touches) the vertebral column?

A

Occipital bone

51
Q

What bone is not part of the skull?

A

Hyoid bone

52
Q

What is the opening between the vertebral arch and body of a vertebra that houses the spinal cord?

A

Vertebral foramen

53
Q

Which of the regions of the vertebral column has the greatest number of vertebrae?

A

Thoracic

54
Q

Which suture is found between the parietal bones?

A

Saggital

55
Q

Which type of bones of the body are slightly curved to absorb the stress of the body, and consist mostly of compact bone?

A

Long bones

56
Q

Which vertebrae are largest and strongest?

A

Lumbar

Nursing Science 2 - EXAM 1 (15 decks)

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