Steve's Test 1 Review

Front 1

True or False, a test can be precise but not accurate?

Back 1

True

Front 2

The proportion of patients with disease that test positive shows the ______ of the test?

Back 2

Sensitivity

Front 3

The proportion of patients without disease who test negative shows the ______ of the text?

Back 3

Specificity

Front 4

TP/TP+FN =

Back 4

Sensitivity

Front 5

FP/FP+TN =

Back 5

Specificity

Front 6

What is the proportion of all people who test positive who truly have disease?

Back 6

TP/FP+TP = Positive Predictive Value = PPV

Front 7

All people who test negative and don't truly have disease.

Back 7

TN/TN+FN = Negative Predictive Value = NPV

Front 8

The further away from _ the more meaningful the ______ ratio is. Which is more meaningful .1, or .4?

Back 8

1
likelihood
.1

Front 9

What is a CBC?

Back 9

Hematocrit
WBC
Hemoglobin
Platelet

Front 10

Fill this in >--<.

Back 10

HGB
WBC>-------<PLT
HCT

Front 11

What cells are included in the WBC differential?

Back 11

Neutrophil
Eosinophil
Basophil
Monocyte
Lymphocyte

Front 12

Can a test tell you what kind of lymphocytes you have, T or B?

Back 12

No

Front 13

Hematocrit can be falsely normal in what?

Back 13

Hemorrhage

Front 14

MCV increased =
MCV decreased =
MCV normal =

Back 14

Macrocytic
Microcytic
Normocytic

Front 15

MCHC increased =
MCHC decreased =
MCHC normal

Back 15

Hyperchromic
Hypochromic
Normochromic

Front 16

So, if you have a high MCV and a low MCHC how would you title it?

Back 16

Macrocytic Hypochromic

Front 17

_______, _________, and ____ can give you low MCV.

Back 17

Thalassemia, Iron Deficiency, ACD

Front 18

RDW measures?

Back 18

Cell Size

Front 19

What is the best way to find cell size?

Back 19

Peripheral Blood Smear

Front 20

What is an immature RBC called?

Back 20

Reticulocyte

Front 21

If you have increased reticulocytes with anemia, this is ?

Back 21

Appropriate

Front 22

If you have decreased reticulocytes with anemia, this is? and can mean what?

Back 22

Inappropriate
Problems with bone marrow

Front 23

Low platelet count is called?

Back 23

Thrombocytopenia

Front 24

Pseudothrombocytopenia is caused by?

Back 24

Platelet Clumping

Front 25

A bone marrow biopsy is not contraindicated in?

Back 25

Thrombocytopenia

Front 26

What is the best way to count platelets?

Back 26

Peripheral Blood Smear

Front 27

What is the best way to test platelet function?

Back 27

Platelet Aggregometry

Front 28

The intrinsic pathway is best studied via?

Back 28

PTT

Front 29

The extrensic pathway is best studied via?

Back 29

PT/INR

Front 30

What is used to measure warfarin?

Back 30

INR

Front 31

A deficiency of factor VIII will show up with what?

Back 31

Prolonged PTT

Front 32

Prothrombin - Thrombin - Fibrinogen - Fibrin - cross linkage. What is the factor studied between fibrin and cross linkage, and what test is used to study this?

Back 32

XIII
Urea Clot Solubility Test

Front 33

What is the major extracellular ion?

Back 33

Na

Front 34

Absence of ADH = ?

Back 34

Diabetes Insipidis

Front 35

Increased plasma osmolality leads to?

Back 35

Increased ADH

Front 36

Increased ADH leads to

Back 36

Increased water reabsorption

Front 37

Increased water reabsorption leads to increased ?

Back 37

Urinary osmolality

Front 38

Hyponatremia in the presence of a urinary osmolality of <100 = ?

Back 38

Diabetes Insipidis

Front 39

Hyponatremia leads to decreased plasma osmolality which leads to decreased ___ meaning decreased Free ___ reabsorption leading to decreased _____ osm.

Back 39

ADH
H20
Urinary

Front 40

If you have a decreased plasma osmolality but still have ADH in play, what will occur?

Back 40

Urine osmolality will be increased above 100

Front 41

If you have a urinary osm. of <25 what could this mean?

Back 41

Dehydration

Front 42

If you are hyponatremic, have a urinary osm >100, and a urinary Na >40 this is considered to be? and caused by what three things?

Back 42

Very inappropriate
SIADH
Hyperthyroidism
Adrenal Insufficiency

Front 43

What are the two adrenal hormones?

Back 43

Cortisol and Aldosterone

Front 44

If you are hypokalemic, the kidney should do what?

Back 44

Excrete less K

Front 45

What are the numbers your kidney should be excreting if hypokalemic?

Back 45

<15 mEq/L or less than 25-30 mEq/L per day

Front 46

What is something that can cause hypokalemia?

Back 46

Vomitting

Front 47

If you have high aldosterone you should have a high?

Back 47

TTKG

Front 48

If you have a TTKG of less than _ you have what?

Back 48

5
Hypoaldosteronism

Front 49

If you have hypocalcemia, and you have confirmed it, what is the next step?

Back 49

Do an intact PTH test.

Front 50

What can cause hypercalcemia?

Back 50

Hyperparathyroidism
Malignancy PTHrp

Front 51

Normal Na =

Back 51

136-144 mEq/L

Front 52

Spot urine Na =

Back 52

>25

Front 53

Plasma K =

Back 53

3.5-5.0

Front 54

Plasma Cl =

Back 54

98-106

Front 55

Plasma H2CO3 =

Back 55

24

Front 56

Total Plasma Ca =

Back 56

8.8-10.3

Front 57

Ionized Calcium =

Back 57

4.5-5.5

Front 58

Serum Phosphate =

Back 58

2.5-4.5 mg/dL

Front 59

Serum Magnesium =

Back 59

1.4-2.0

Front 60

Normal WBC =

Back 60

4400-11000 mm3

Front 61

Hematocrit for
Male:
Female:

Back 61

Male: 46 +/- 4%
Female: 40 +/- 4%

Front 62

Platelet count =

Back 62

150k-450k mm3

Front 63

Hemoglobin for
Male:
Female:

Back 63

Male: 15.7
Female: 13.8

Front 64

MCV =

Back 64

88

Front 65

MCH

Back 65

30.4

Front 66

MCHC

Back 66

34.4

Front 67

RDW

Back 67

13.1

Front 68

Normal INR

Back 68

0.8-1.2

Front 69

What are the most prevelant WBCs?

Back 69

Lymphocytes and Neutrophils