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PT: Nutrition Exam 1 > Diagnostic Testing > Flashcards

Diagnostic Testing Flashcards

1
Q

Sensitivity

A

Ability to detect small quantities of measured component

Rule of disease (if negative)

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2
Q

Specificity

A

Ability to measure solely component of interest

Rule in disease (if positive)

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3
Q

Accuracy

A

How close it is to accepted value

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4
Q

Precision

A

Ability to reproduce

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5
Q

Hyponatremia causes

A

D/V
Meds
Excess water intake
Burns

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6
Q

Hyponatremia symptoms

A 
Confusion
Nausea
Cramps 
Fatigue
Seizures
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7
Q

Hypokalemia causes

A

D/V
Diuretics
Renal disease

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8
Q

Hypokalemia symptoms

A

Cardiac arrhtyhmias

Muscle cramping

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9
Q

What meds can cause hyponatremia?

A

Diruetics

SSRIs

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10
Q

Hyperkalemia causes

A

Renal failure
Excessive intake
Ace inhibitors
Aldosterone antagonists

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11
Q

Hyperkalemia symptoms

A

Cardiac arrhythmias

Muscle weakness

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12
Q

High CO2 causes

A

Hypoventilation

Lung disase

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13
Q

Low CO2 causes

A

Chronic renal failure
Ketoacidosis
Addison’s disease
Hyperventilation

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14
Q

Symptoms of CO2p

A

Dependent on cause or timing of onset

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15
Q

BUN

A

Product of protein catabolism

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16
Q

High BUN

A

Dehydration

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17
Q

Low BUN

A

Malnutrition

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18
Q

Low creatinine

A

Cachexia

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19
Q

High creatinine

A

Renal dysfunction

Dehydration

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20
Q

Creatinine

A

Product of muscle breakdown

Marker of renal function

21
Q

Hyperglycemia causes

A

Diabetes
Corticosteroids
Cushings disease
Extreme stress

22
Q

Hyperglycemia symptoms

A

Depends on severity

23
Q

Hypoglycemia causes

A

Diabetes

Meds

24
Q

Hypoglycemia symptoms

A

Sweating, tremor, hunger

25
Q

Hypocalceima causes

A

Dietary deficiency
Hypoparathyroidism
Vit D deficiency

26
Q

Hypocalcemia symptoms

A

Paresthesias around mouth
Muscle cramping
Tetany
Seizures

27
Q

Hypercalcemia causes

A

Hyperparathyroidism

Paget’s disease

28
Q

Hypercalcemia symptoms

A

Renal insufficiency
Nephrolithiasis
Constipation

29
Q

High AST/ALT

A

Liver injury or inflammation

Many causes

30
Q

Hyperalbuminemia causes

A

Dehydration

High protein

31
Q

Hypoalbuminema causes

A

Liver disease
Loss of bowels or kidneys
Malnutrition

32
Q

Hypoalbuminemia symptoms

A

Edema

33
Q

Alkaline phosphatase

A

Found mostly in liver and bones

34
Q

High alkaline phophstase

A

Liver disease
Increased bone turnover
High during pregnancy, growth

35
Q

Low alkaline phosphatase

A

Malnutrition

Wilsons disase

36
Q

False + pregnancy test

A

Recent miscarriage

Medications

37
Q

False - pregnancy

A

Testing too early

38
Q

False + ovulation

A

Irregular cycles
PCOS
Fertility meds

39
Q

False - ovulation

A

LH surge outside of time tested

40
Q

Small ketones

A

Re test in few hours

41
Q

Moderate to large ketones

A

Contact provider or medical attention

42
Q

Glucose false +

A

Ascorbic acid
B lactam
Levodopa
Salicylates

43
Q

UTI - test

A

Still see provider

44
Q

Leukocytes +

A

Might not have been clean catch

45
Q

False positive in fecal occult blood testing

A
  • aspirin or NSAIDs
  • iron
  • red meat
  • vitamin C
  • certain fruits and veggies
46
Q

HIV false -

A

If before 3 months after risk

47
Q

PT/INR testing?

A

Warfarin

48
Q

Warfarin cutoff to be confirmed with blood test

A

> 4.5

PT: Nutrition Exam 1 (12 decks)

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