Domain 1: Basic And Applied Sciences And Nutritional Concepts Flashcards

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1
Q

Communication network within the body

A

Nervous system

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2
Q

Brain and spinal cord; controls anf interpret information

A

Central Nervous System (CNS)

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3
Q

Nerves connecting the CNS to the rest of the body and thr environment

A

Peripheral nervous system

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4
Q

Peripheral nervous system subdivisions

A

Somatic and autonomic

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5
Q

Outer areas body and skeletal muscle; voluntary

A

Somatic

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6
Q

involuntary system (ex. heart, digestion)

A

Autonomic

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7
Q

Autonomic subdivisions

A

Parasympathetic and Sympathetic

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8
Q

function unit of the nervous sytem

A

Neuron

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9
Q

transmits nerve impulses from CNS to effector sites

A

Motor (efferent) neurons

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10
Q

respond to stimuli; transmit nerve impulses from effector sites to CNS

A

Sensory (afferent) neurons

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11
Q

sense distortion in body tissues

A

Mechanoreceptors

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12
Q

respond to pressure, acceleration, and deceleration of joints

A

Joint Receptor

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13
Q

sense changes in muscular tension

A

Golgi tendon organs (GTO)

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14
Q

sense changes in muscles

A

Muscle spindles

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15
Q

connect muscle to bone; provide anchor for muscles to produce force

A

tendons

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16
Q

outer layer of connective tissue surrounding a muscle

A

fascia

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17
Q

bundle of individual muscle fibers

A

fascicles

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18
Q

cellular components and myofibrils encased in a plasma membrane

A

muscle fiber

19
Q

produces muscular contraction; reporting sections of actin and myosin

A

sarcomere

20
Q

thick and thin filaments slide past one another, shortening the entire sarcomere

A

sliding filament theory

21
Q

smaller size; slower to produce tension; fatigue slowly

A

Type 1 (slow twitch) muscle tissue

22
Q

larger size; quick to produce tension; fatigue quickly

A

Type II ( fast twitch) muscle tissue

23
Q

on motor neuron and the muscle fibers it connects with

A

Motor unit

24
Q

contraction of a muscle generated by neural stimulation

A

neural activition

25
Q

chemical messengers that transport impulses from nerve to muscle

A

neurotransmitters

26
Q

attach directly to vertebrae; consist of: transverse abdominis, internal oblique, multifidus, pelvic floor, diaphragm

A

Local Stabilization System

27
Q

attach from pelvis to spine. Consists of: quadratus lumborum, psoas major, external obliques, rectus abdominus, gluteus medius, adductor complex

A

Global stabilization System

28
Q

attach spine and/or pelvis to extremities. Consists of: latissimus dorsi, hip flexors, hamstring complex, quadriceps

A

Movement system

29
Q

skull, rib cage, and vertebral column

A

axial skeleton

30
Q

upper and lower extremities, shoulder and pelvic gridles

A

Appendicular skeleton

31
Q

supports, protects, allows bodily movement

A

Skeletal system funcations

32
Q

flattened or indented portions of a bone; can be muscle attachment sites.

A

Depressions

33
Q

projection protruding from a bone; muscles, tendons, and ligaments can attach

A

Process

34
Q

connects bone to bone; little blood supply; slow to heal

A

ligaments

35
Q

joint motion

A

arthrokinematics

36
Q

no joint cavity, connective tissue, or cartilage; little to no movement

A

non-synovial joints

37
Q

held together by joint capsules and ligaments

A

synovial joints

38
Q

roll, slide, and spin

A

major motion types

39
Q

Important joint types

A

Hinge and Ball-and-Socket

40
Q

elbows, ankles; sagittal plane movement

A

Hinge

41
Q

shoulders, hips; most mobile, all three planes of motion

A

Ball-and-Socket

42
Q

the best method to strengthen bones

A

Weight-bearing exercises

43
Q

system of glands; secretes hormones to regulate bodily function

A

endocrine system

44
Q

anabolic hormone; responsible for male sex traits

A

testosterone