NCLEX questions-Laboratory Values...

NCLEX RN - Lab Values & Diagnostics ScienceMedicineHematology Dchandla73 Save NCLEX questions-Laboratory Values...14 terms Bs2williamsPreview Exam 1 Nursing Fundamentals/Med-...108 terms barnesalexis4 Preview The Neurological System part 2 25 terms maddieeg19Preview Conge 43 terms LeM Potassium (K+)

Normal: 3.5 - 5.0 mEq/L

Sodium (Na+)

Normal: 135 - 145 mEq/L

Chloride

Normal: 98 - 107 mEq/L

Magnesium (Mg++)

Normal: 1.2 - 2.1mEq/L

Phosphorus

Normal: 3.0 - 4.5 mg/dL

Calcium

Normal: 9.0 - 10.5 mg/dL

Red Blood Cell (RBC) count

Male: 4.5 - 6.2 million/m3

Female: 4.5 - 5.5 million/m3

Child: 3.2 - 5.2 million/m3

Description:

>Fxns in hgb tranport -> 02 to body tissues >Formed by red bone marrow >Life span of 120 days & removed from blood via liver, spleen, & bone marrow

Purpose:

>Dx: anemia, polycythemia

RBC - causes of decrease >Anemia >Bone marrow failure >Erythropoietin deficiency >Hemolysis >Bleeding >Malnutrition >Multiple myeloma >Leukemia >Pregnancy

>Drugs: chemo drugs, chloramphenicol,

quinidine, hydantoins RBC - signs/symptoms of decrease >Asymptomatic >Low BP >Postural hypotension >Increased HR (Tachycardia) >Increased RR >Decreased LOC >Lightheadedness, Fainting >Dizziness >Weakness >Pale >Diaphoretic >Abdominal pain (internal bleeding) >Palpitations >Low hgb/hct (lags behind)

Reticulocyte count

Description:

>Immature RBCs

Purpose:

>To determine if a patient is bleeding >Best measure Hemoglobin (Hgb)

Male: 14 - 16.5 g/dL

Female: 12 - 15 g/dL

Child: 11 - 12.5 g/dL

Description:

>Main component of erythrocytes & serves as the vehicle for transporting O2 & CO2

Purpose:

>Aids in identifying anemia Hgb - causes of decrease >Blood loss >Nutritional deficiency >Kidney failure >Sickle cell anemia >Cancer/chemotherapy >Leukemia >Multiple myeloma >Enlarged spleen >Thalassemia >Vasculitis >Hypothyroidism Hgb - signs/ymptoms of decrease >Fatigue >Dizziness >Fainting >Weakness >Enlarged spleen >Change in stool color >Hair loss >Yellow of skin, eyes >Decreased BP >Palpitations >Rapid HR >Chest pain >MI

Hgb - causes of increase >Dehydration >COPD or Emphysema >HF >Kidney & Liver cancer >Tumors >Polycythemia rubra vera >Abuse of erythropoietin >Living in high altitude Hgb - signs/symptoms of increase >Weakness >Fatigue >Dizziness >Headache >Joint pain >Abdominal pain >Itching >Bruising Hematocrit (Hct)

Male: 42 - 52%

Female: 35 - 47%

Child: 35 - 45%

Description:

>RBC mass - measures the % of RBCs per fluid volume of blood Hct - causes of increase >Chronic smoking >Dehydration >Lung disease >Hypoxia >Congenital heart disease >Cor pulmonale >Tumors >Polycythemia rubra vera >Living in high altitudes