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Anatomy II > Lab Test > Flashcards

Lab Test Flashcards

1
Q

Specific Gravity

A

Indication of how concentrated a solution is compared to water.
SG of water is 1.000

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2
Q

Urine Color Breakdown

A 
Hemoglobin
Hematin
Bilirubin
Urochromogen
Urochrome
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3
Q

Ketones

A

Produced by catabolism of fats

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4
Q

Where does the electrical signal originate in the heart?

A

SA node

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5
Q

Vital Capacity

A

Maximum volume of air that can be exhaled in a single respiratory effort

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6
Q

Forced Vital Capacity

A

Measured when the subject inhales completely, then exhales maximally at the highest possible speed

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7
Q

Tidal Volume

A

Air exchanged with each breath during normal breathing

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8
Q

Inspiratory Reserve Volume

A

Amount of air inspired after tidal volume

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9
Q

Expiratory Reserve Volume

A

Volume of air expired after tidal volume

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10
Q

Residual Volume

A

Amount of air in lungs after maximal expiration

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11
Q

Inspiratory Capacity

A

TV + IRV

Amount of air someone can inspire after tidal expiration

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12
Q

Functional Residual Capacity

A

Amount of air left in lungs after tidal expiration

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13
Q

Total Lung Capacity

A

Total amount of exchangeable and nonexchangeable air

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14
Q

Where does ventricular contraction occur?

A

QRS complex

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15
Q

ECG

A
  1. Atria begin depolarizing (P wave)
  2. Atrial depolarization complete
  3. Ventricular depolarization begins at apex and progresses superiorly as atria repolarize (QR waves)
  4. Ventricular depolarization complete (S wave)
  5. Ventricular repolarization begins at apex and progresses superiorly (T wave)
  6. Ventricular repolarization is complete, heart is ready for the next cycle
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16
Q

Factors Affecting Stroke Volume

A

Preload: INCREASES
Contractility: INCREASES
Afterload: DECREASES

17
Q

Systolic Pressure

A

Peak arterial BP attained during ventricular contraction

Atrial relaxation occurs during systole

18
Q

Diastolic Pressure

A

Minimum arterial BP occurring during the ventricular relaxation between heartbeats
Ventricular relaxation, atrial relaxation, atrial contraction

Anatomy II (16 decks)

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