Lab Values and Osteoporosis Flashcards
increased neutrophils indicate?
acute bacterial/ viral infection
RBC are increased in:
polycythemia
bands/stabs are?
immature neutrophils
steroids can effect many lab values including
increased glucose
decreased potassium
increased sodium
what is normal lab value for specific gravity?
1.010-1.030
RN receives pre-op lab work for a client scheduled for surgery. Which should be reported?
RBC-4.5
Hbg-12.2
Creatinine-2.6
BUN-15
creatinine of 2.6
what supplements are useful in prevention of osteoporosis?
vitamin D
calcium
what is a normal Hgb in a female?
12-15
plt would be increased in:
- Infection
- Acute blood loss
- Splenectomy
what is a normal Hgb in a male?
13.5-18
Plt lab value relates to what medications?
Enoxaprin, heparin
The RN should instruct the patient with platelet count less than 150,000 to avoid what?
the valsalva maneuver
(bearing down)
what does A DIFF mean?
the CBC was conducted by the computer
RN notes daily WBC in client drop from 3.5 to 2.5 what is the appropriate intervention?
Call physician and request order for reverse isolation
being neutropenic puts you at risk for?
infection
(reverse isolation)
INR relates specifically to what medication?
warfarin
what is a normal RBC level?
4.5-5.9
BNP is the opposite of what hormones function?
ADH
RBC are decreased in
-anemia
-blood loss
basophils are increased in?
allergy, healing, and inflammation (Histamine response)
Potassium lab value relates to what medication?
furosemide
what is a normal range for lymphocytes?
25-35%
Hct is increased in?
Dehydration
Hypovolemia
what does a serum lactate/lactic acid test for?
the end-point of anaerobic breakdown of glucose in the tissues
-Best marker for tissue perfusion
anion gap being decreased point to:
met. alkalosis
WBC are decreased in:
anemia
immunosuppression
what cells are the first line of defense against a bacterial infection
neutrophils
what does BNP do?
diuresis
what is a normal range for basophils?
0.4-1%
Plt would be decreased in
- ITP
- Cancers
- Leukemia
- Chemo
- Sepsis
- DIC
- ETOH
- HIT
- RX
what is the trigger for BNP?
cardiac stretch
what is a normal range for monocytes?
4-6%
what should you remind family members to do when going into a pancytopenia patients room?
wash their hands
eosinophils are increased in?
allergy and parasitic disease
what is normal Hct for a female?
36-46%
what is a normal Hct in males?
40-54%
what do B cells do?
Make antibodies against antigens
what is a normal range for eosinophils?
1-3%
Hgb is high in patients with:
Polycythemia
Dehydration
High altitude
Smokers
COPD
Heart failure
Hct is decreased in?
Blood loss
Anemia
Leukemia
anion gap being increased point to:
met. acidosis
monocytes are increased when? what do they do?
oDestroy viruses, bacteria, and parasites
oIncreased with inflammation
Client with thrombocytopenia has a severe headache, the nurse knows this could represent?
cerebral bleeding
NK cells are decreased in:
some cancers, HIV, chemo, radiation, immune disorders, viruses
Hgb is low in patients with:
Anemia
Blood loss
Fluid overload
Cancer
Kidney disease
what are the risk factors for osteoporosis?
oGenetics/family history
oGender
oHistory of prior fracture-occurring spontaneously
oIncreased age
oLow body weight
oLow lifetime ca and vitamin D intake
oEstrogen deficiency-menses
oCaucasian/Asian
oLack of weight-bearing physical activity
what do helper T cells do?
T8-lysis of infected cells
what is a risk factor for osteoporosis?
-postmenopausal
-hyperthyroidism
what is a normal WBC?
4.5-11
what is a normal range for neutrophils?
50-65 or 70%
The RN should assess client with thrombocytopenia that has developed hemorrhage for _____?
tachycardia
what instruction should be included in discharge teaching in a patient with osteoporosis?
avoid using scatter rugs
a patient is admitted with a diagnosis of a peptic ulcer and important indicator of hemorrhage is?
H and H
what makes up lymphocytes, what cells?
b cells
helper T cells
NK cells
what is the second line of defense to infection?
monocytes
WBC are increased in:
inflammation
infection
trauma
physical or emotional stim
leukemia
NK cells are increased in:
chronic, viral and some bacterial infections
what are the cardiac labs?
oTroponin
oCreatine kinase (CPK)
Iso-enzymes (CPK-MB)
oLactic dehydrogenase (LDH)
oBrain natriuretic peptide (BNP)
what is pancytopenia?
low levels of all cells
(such as in chemotherapy)
risk for bleeding is related to what lab?
platlets
shift to the left means?
bone marrow isn’t producing enough neutrophils leading to high levels of stabs/bands which are not useful. (all of the mature have been used up)
what is a normal platlet level?
150-400
what two cell types are able to perform phagocytosis?
neutrophils
macrophages
the average life span of a neutrophil is…..
12-18 hours
what is a left shift and what does it tell us?
immature neutrophils or “bands” are released into circulation due to the bone marrows inability to produce enough mature neutrophils. This indicates an infection or inflammation
what is the trigger for the ventricles to release bnp?
increased pressure on the heart tissue when it is stretched dude to an increased blood volume
what enzyme is not specific to the liver?
ALT
-alanine aminotransferasse
the 3 liver enzymes….
ALT
AST
ALP
when does the CK-MB level peak?
24 hrs after chest pain onset
what enzyme is helpful in diagnosing an MI?
LDH
-lactic dehydrogenase