Latest Update 2026/2027 | Guaranteed Pass |
Graded A+.
Positive predictive value -Answer chances that a given lab result indicates the
presence of a disease
Negative predictive value -Answer chances that a given test result indicates
absence of a condition or disease
CBC consists of: -Answer Stem cells, WBCs, RBCs, Platelets
Granulocytes consist of: -Answer neutrophils, eosinophils, basophil
Neutrophils consist of: -Answer Bands (immature)
Poly, segs, PMN (mature)
Leukocytosis -Answer increase in the number of
white blood cells caused by: infection,
hemoconcentration, stress, leukemia Leukopenia -
Answer Abnormally low white blood cell count
caused by: viral infection, drugs (chemo/abx),
anemia, HIV, Hodgkins
Thrombocytopenia -Answer a condition in which there is an abnormally small
number of platelets circulating in the blood
Causes of thrombocytopenia -Answer Idiopathic, Drug-induced (ASA,
acetaminophen, streptomycin, chemotherapy, thiazide diuretics,
sulfonamides),
Dev. after blood transfusions, Hemorrhage, DIC, Decreased platelet
production, Vasculitis, Infections, Sepsis hypersplenism, leukemia
,Platelet function disorders -Answer Von Willibrands, NSAIA, Liver/kidney
disease
Agranulocytes consist of -Answer lymphocytes and
monocytes types of lymphocytes -Answer T cells
and B cells
Helper (CD2, CD4)
WBC's < 20% puts pt at risk for -Answer Heart failure
WBC's >60% -Answer risk for spontaneous clotting
Thrombocytosis is caused by: -Answer Malignancy, chronic hypoxia,
dehydration, connective tissue disorders
erythrocytosis -Answer increase in the number of red
blood cells causes of erythrocytosis -Answer -
dehydration
-higher altitude living (change O)
-COPD (hypoxia stim prod RBCs)
-Tumors
The following abnormal lab results may be seen in patients with acute
mononucleosis except -Answer Elevated BUN and creatinine
Abnormal labs for pts with acute mono include: -Answer Elevated liver
function tests, Positive EBV titers for immunoglobulin IgM and IgG,
Lymphocytosis and/or atypical lymphocytes
,Which of the following lab findings may be found elevated alone on the liver
function panel of patients who are alcohol abusers? -Answer Serum GGT
(gamma glutamyl transaminase
All of the following are included in the four basic radiographic densities in
chest radiography except:
-Answer Cartilage
· Which of the following lab tests are used in primary care to evaluate renal
function? -Answer Creatinine
· Kerley B lines on chest x-ray are suggestive of: -Answer o Diffusion of water
into pulmonary airspaces.
· A macrocytic, normochromic anemia is diagnosed in an elderly man. The
next test(s) that should be ordered is (are) -Answer o Vitamin B-12, rbc-folate
levels
· Which of the changes occur in the RBC indices in pernicious anemia? -
Answer o Macrocytic, normochromic
· You examine a 22yo Asian female. She has no complaints. Lab results are as
follows:
Hgb=9.1 (12-
14) Hct= 28
(36-42)
RBC= 5 (3.2-4.3)
MCV= 68 (80-96)
RDW= 13% (<15%)
Most likely diagnosis is? -Answer o Thalassemia minor
· The most sensitive test for diagnosis of sickle cell anemia is: -Answer o
Hemoglobin electrophoresis
, · Patient education regarding taking iron replacements includes: -Answer o
Iron is best taken on an empty stomach with juice
· Pernicious anemia is treated with: -Answer Vitamin B12
· Monitoring for a patient taking iron to treat iron deficiency anemia is: -
Answer o Hemoglobin, hematocrit, and ferritin 4 weeks after treatment is
started
· Patients who are being treated for folate deficiency require monitoring of: -
Answer o Hematocrit and hemoglobin at 1 week and then at 8 weeks
· Patients who are beginning therapy with vitamin B12 need to be monitored
for: -Answer neutropenia 1-3 wks
· The dosage of Vitamin B12 to initially treat pernicious anemia is: -Answer
Vitamin B12 1,000 mcg IM daily x 1 week then 1,000 mg IM weekly for a
month
Before beginning IM vitamin B12 therapy, which laboratory values should
be obtained? -Answer o Iron o Reticulocyte count, hemoglobin, and
hematocrit o Vitamin B12
Valerie has been prescribed iron to treat her anemia. Education of patients
prescribed iron would include: -Answer o Increase fluids and fiber to treat
constipation
· Valerie presents to the clinic with menorrhagia. Her hemoglobin is 10.2 and
her ferritin is 15 ng/mL.
Initial treatment for her anemia would be: -Answer o 325 mg ferrous sulfate
tid
Kyle has Crohn's disease and has a documented folate deficiency. Drug
therapy for folate deficiency anemia is: -Answer Oral folic acid 1 to 2 mg per
day
A test with a high sensitivity ... -Answer correctly identifies those patients with
the disease