Nursing Labs

question

What does BUN stand for
answer

Blood urea nitrogen
question

What is a normal BUN lab value
answer

5-25mg/dl, but higher in elderly
question

where is Urea normally excreted?
answer

Kidneys
question

The BUN test is used in conjunction with what other test?
answer

Creatinine values
question

What is the BUN test used for?
answer

To detect a renal disorder or dehydration
question

What factors increase the BUN
answer

Renal insufficiency/failture Dehydration GI bleed high protein diet Drug influences
question

What can cause a Decreased BUN
answer

Low protein diet Overhydration malnutrition severe liver failture
question

What are some Nursing implications to perform on a client with an abnormal BUN?
answer

Assess hydration status loos for a deficit or excess Assess dietary intake (protein) Monitor urine output. (I&O) Look for diuretics , nephrotoxic drugs (affect BUN)
question

What is Creatinine test indicate?
answer

renal insufficiency or failture
question

What is Creatinine?
answer

a by-product of muscle catabolism
question

Where is creatinine excreted?
answer

kidneys
question

what is a normal creatinine value?
answer

0.5-1.5 mg/dl (less in females)
question

What factors can increase Creatinine?
answer

acute and chronic renal failture cancer prolonged shock diet high in BEEF drug influence
question

What factors can decrease Creatinine?
answer

Pregnancy
question

What should the nurse monitor if there is an abnormal creatinine?
answer

Monitor urine output assess for diet high in RED MEAT Examine ration of BUN to Creatinine
question

If both the BUN and creatinine are elevated what does that mean?
answer

Renal Disease
question

What if the Creatinine is normal but the BUN is elevated, what does that mean?
answer

dehydration
question

What does GFR stand for?
answer

Glomerular filtration rate
question

GFR is a specific indator of?
answer

Kidney function
question

Why do we look at GFR?
answer

It is used in conjunction with creatinine level to diagnose SEVERITY of renal disease
question

What are the 3 main measurements of blood glucose?
answer

Fasting blood glucose (FBS) HGB A1C Capillary sample (fingerstick, accu-check, glucose)
question

What is a normal blood sugar for a normal adult?
answer

70-100mg/dl
question

What is a prediabetic range?
answer

101-126
question

What is a diabetic range?
answer

126 or greater
question

What does A1C stand for?
answer

Glycosylated Hemoglobin
question

What is gyco hemo a.k.a. A1C used for?
answer

best measurement of effectiveness of diabetic therapy, its an average of blood glucose level over a 1-4 month period
question

Whats a normal lab value of A1C for a non-diabetic
answer

2-5%
question

What is a A1C value for a controlled diabetic range
answer

2.5-6%
question

What is an uncontrolled A1C’s diabetics range
answer

8%
question

What can cause an elevated fasting blood sugar level
answer

DM, cushings syndrome, stress, pancreattitis, Steriod drugs
question

What can cause a decrease in fasting blood sugar level?
answer

hypoglycemia, malnutrition, cirrhosis
question

What drug can impact blood glucose levels?
answer

Steroids
question

What protein makes up more than half of plasma proteins?
answer

Albumin
question

What organ in Albumin synthesized in?
answer

liver
question

What is Albumin responsible for?
answer

maintaining plasma oncotic pressure
question

What is normal Albumin lab values?
answer

3.5-5 g/dl
question

What can increase ALBUMIN LEVELS?
answer

Severe dehydration severe vomiting severe dirrhea
question

What can decrease Albumin levels
answer

severe malnutrition malabsorbtion liver failture/cirrhosis renal disease cancer preeclampsia
question

What should the nurse do with a patient with distorted ablumin levels?
answer

monitor for prepherial edema assess skin integrity if edema is present increase protein intake
question

What is included in a CBC?
answer

Hemoglobin and hematocrit RBC and indices WBC and differential Platelet count
question

Where is Hgb found?
answer

protein found in RBS’s
question

what is Hgb composed of?
answer

Iron
question

What does Hgb do?
answer

carries oxygen to blood tissues
question

What is a normal Hgb value? male and female
answer

male- 13.5-17g/dl female- 12-15g/dl
question

How is HCT measured? (hematocrit)
answer

Volume of RBS’s of packed red blood cells per 100ml of blood
question

What is a normal Hct value?
answer

male- 40-54% female- 36-46%
question

What can cause H&H to decrease?
answer

acute blood loss anemia leukemia liver and kidney disease vitamin deficiency malnutrition
question

What can increase H&H values?
answer

dehydration severe diarrhea polycythemia vera
question

What is RBC indices
answer

measurement of the total RBC count as well as size, weight, and hemoglobin concentration of the RBC’s
question

What is RBC indices used for?
answer

used in differential diagnosis of type of Anemia
question

What is a normal RBC
answer

Male- 4.6-6 million/u10*12) female- 4.0-5.0 9MILLION/U10*12)
question

What does MCV stand for?
answer

mean corpuscular VOLUME
question

What does MCH do?
answer

Weight of Hgb in the RBC regardless of size
question

microcytic
answer

small
question

normocytic
answer

normal
question

macrocytic
answer

large
question

MCHC is what?
answer

Hgb concentration per unit volume of RBS’s
question

Normal is called?
answer

normochromic
question

Decreased is called?
answer

hypochromic (pale)
question

RDW does what?
answer

indicated size differences of RBC’s within a sample.
question

RDW is useful in what?
answer

Predicting early anemia
question

What is Anemia?
answer

lack of healthy RBC’s
question

Alterations in RBC indices equal what?
answer

decreased O2
question

Name some symptoms of Iron deficiency
answer

microytic hypochromic (small and pale) chronic bleeding dietary
question

Name some symptoms of B12 deficancy
answer

macrocytic dietary pernicious; lack of intrinsic factor
question

Name some symptoms of folic acid?
answer

macrocytic normochromic (large and red) dietary
question

microtic hyperchromic
answer

small pale
question

macrocytic normochromic
answer

large and red
question

What is the job of platelets?
answer

promote coagulation by sticking to rough and injured tissues
question

What is a low platelet count a potential for?
answer

bleeding
question

what is a normal platelet count?
answer

150000-400000 u
question

What can cause a decreased platelet count?
answer

Thrombycytopenia cancer leukemia anemia liver disease drug influence
question

What can cause an increased platelet count?
answer

polycythemia hemorrhage surgery fractures
question

When someone has an abnormal platelet count what should the nurse assess?
answer

bleeding
question

Where is PT synthesized iN?
answer

liver
question

what is PT converted into?
answer

thrombin to form clots
question

PT is used with INR to monitor what?
answer

oral anticoagulant, warfin and coumadin
question

What is INR stand for?
answer

international normalized ratio
question

PTT is used for?
answer

screening to detect clotting factor deficiencies
question

PTT monitors what?
answer

HEPARIN THERAPY
question

What is a normal PT value
answer

10-13 seconds
question

what is a normal PTT value
answer

60-70 seconds
question

What is normal PT for anticoag therapy
answer

1.5-2 x normal value
question

What is normal PTT for anticoag therapy
answer

1.5-2.5 X normal value
question

What is normal INR for anticoag therapy
answer

2.0-3.0
question

What is a decreased PT/PTT/INR indicate?
answer

Thrombophlebitis MI PE Cancer Drug Influences
question

What is an increased PT/PTT/INR indicate?
answer

anticoagulant therapy liver disease vitamin K deficancy genetic clotting factor disorder drug influences- ASA
question

Your Momma says blood thinner, your nurse says
answer

anticoagulant

Get instant access to
all materials

Become a Member