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Applied Human Anatomy > Lab Sims > Flashcards

Lab Sims Flashcards

1
Q

What does hemoglobin measure?

A

the oxygen carrying capacity

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2
Q

What does hematocrit measure?

A

it is a calculated value
hemoglobin x 3

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3
Q

How is a reticulocyte count ordered?

A

immature red blood cells
it must be ordered seperately

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4
Q

What causes increased leukocytosis?

A

bacterial infection, vomiting, stress, steroid use

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5
Q

What causes reduce leukopenia?

A

viral infection, chronic disease

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6
Q

major extracellular cation

A

sodium

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7
Q

major intracellular cation

A

potassium

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8
Q

sodium less than 120 carries high risk of ?

A

seizures

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9
Q

as sodium is reabsorbed what is lost?

A

potassium

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10
Q

Does magnesium needed be ordred seperately?

A

yes, not part of the BMP

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11
Q

Magnesium is bestfriends with?

A

Calcium and Potassium (K)
one affects the other

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12
Q

Chloride is a?

A

extracellular anion

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13
Q

Hypochloremia and hyperchloremia occur with what?

A

parallel shifts with Na or HCO3 levels

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14
Q

The CO2 content is an indirect measure of?

A

HCO3 anion
bestfriends

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15
Q

How to calculate an anion gap?

A

(sodium + potassim) - (chloride+ bicarbonate)

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16
Q

AG results from what?

A

the small amounts of anions in he blood that are not normally measured

17
Q

AG is healpful in identifying the causes of?

A

metabolic acidosis

18
Q

List out MUDPILES

A
19
Q

If both BUN and creatinine are elevated that means?

A

kidney failure

20
Q

BUN alone is not an accurate measure of?

A

kidney function

21
Q

What does an increased or decreased creatinine mean?

A

increased= decreased GFR
decreased= increased GFR

22
Q

Calcium has an inverse relationsip with?

A

phosphorus via PTH stimulation
enemies

23
Q

What is included in a BMP?

A

NA
Cl
BUN
K
HCO3
Cr
Glucose

24
Q

What has high rates of false positives?

A

D-dimer

25
Q

When should you use a D-dimer?

A

only when you suspect no PE and need to confirm

Applied Human Anatomy (6 decks)

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