Dry Station Q's

Question 1

What is the Muscle tissue type? Is it voluntary / involuntary? Location? Is it striated? Does it have intercalated discs? How many nuclei does it have?

Answer 1

Skeletal Muscle Tissue Voluntary Attached to bone Striated No intercalated discs Multiple nuclei

Question 2

What is the Muscle tissue type? Is it voluntary / involuntary? Location? Is it striated? Does it have intercalated discs? How many nuclei does it have?

Answer 2

Cardiac Muscle Tissue Involuntary The Heart Striated Has Intercalated Disc Some Nuclei

Question 3

What is the Muscle tissue type? Is it voluntary / involuntary? Location? Is it striated? Does it have intercalated discs? (Describe the cells?)

Answer 3

Smooth Muscle Tissue Involuntary Stomach, Digestive Tract No intercalated discs Non-striated Cells seem flattened

Question 4

Define Origin

Answer 4

the site of attachment of a muscles tendon to the stationary bone

Question 5

Define Insertion

Answer 5

The site of attachment to the moveable bone

Question 6

Define Motor Unit

Answer 6

A single motor neuron & all of the muscle fibers within a skeletal muscle that it activates

Question 7

Define Multipule Motor Unit Summation

Answer 7

The gradual recruitment of more and more motor units

Question 8

Name the muscle Most commonly used in IM injections.

What is the volume threshold that determines which would be used?

Answer 8

Deltoid, at 2mL or less

Gluteus Medious, at greater than 2mL

Question 9

What type of contraction is this?

What goes on the X Axis?

What does the red arrow indicate?

What does the yellow period indicate?

What does the orange period indicate?

What does the blue period indicate?

Answer 9

Twitch Contraction

Tension

A Single Stimulus

Latent Period

Contraction Period

Relaxation Period

Question 10

Define Dependant Variable

Answer 10

What is being studied/measure

what changes as a result of the changes to the independent variable

How tall you are at different ages.

Dependant variable = height

Independant = age

Question 11

Define Independant Variable

Answer 11

the variable whose change isn’t affected by any other variable in the experiment

What the scientist changes or what changes on its own

Examples are age and time, there’s nothing you or anything else can do to speed up or slow down time or increase or decrease age