Exam (elaborations)
NUR195 - Test 2 questions with verified/correct answers
- Course
- Hondros Nursing 195
- Institution
- Hondros College School Of Nursing
NUR195 - Test 2 questions with verified/correct answers
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NUR195 - Test 2Hematologic and Immune Function - correct answer ✔✔found under the CBC panel
How many liters of blood are in the body? - correct answer ✔✔5-6 liters
RBCs live in the body - correct answer ✔✔for 120 days
Erythrocytes - correct answer ✔✔small RBCs
Leukocytes - correct answer ✔✔white blood cells
Thrombocytes - correct answer ✔✔platelets
Hematopoiesis - correct answer ✔✔production of blood cells in the bone marrow
Hemostasis - correct answer ✔✔stops or control bleeding, clotting mechanism
stem cells - correct answer ✔✔unspecialized cells
renew themselves for long periods of time by cell division
Myeloid - correct answer ✔✔bone marrow
lymphoid - correct answer ✔✔lymph tissue (node)
antibodies and antigens - correct answer ✔✔2 important components of the immune system
,What do you assess for in patients with a low hemoglobin and hematocrit??? - correct answer
✔✔Fatigue
Dyspnea
Activity intolerance
Difficulty concentrating
Pallor
Jaundice- sickle cell anemia
Tachycardia
tinnitus
What do you assess for in patients with a low white blood cell count? - correct answer ✔✔Absolute
neutrophil count (ANC)
<500/mm3 Severe neutropenia
Total WBC (%segs +%bands) =ANC
Signs of infection
Neutrophils - correct answer ✔✔Most abundant WBC
are the 1st to arrive for defense
Immunocompromised patients who normally get neutropenia - correct answer ✔✔patients on certain
medicines
HIV/AIDS
cancer
What do you assess for in patients who are at risk for bleeding? - correct answer ✔✔*Platelet count
*Petechiae- tiny red spots
,*Ecchymosis-bleeding (looks like a bruise under the skin) pt normally doesn't know where bruise came
from
*Bleeding gums
*Hypotension-indicate internal bleeding
*Neuro changes
Thrombocytopenia - correct answer ✔✔Platelet count < 100,000/mm3
(potential for bleeding)
What do you assess for while caring for patients with autoimmune disorders? - correct answer ✔✔*Non
specific
*Impaired wound healing
*Recurrent infections
*Overreaction of autoimmune system-when the body attacks itself
*Medical history
*Family history
*Nutrition status
*Medications- immunosuppressants (steroids)
Gerontologic Considerations related to hematologic and immune function - correct answer ✔✔Higher
risk for anemia because bone marrow is depressed, happens with less exercise
Risk for leukopenia
Increase risk for infection
Decrease response to antigens (the fight starters)
CBC (complete blood count) diagnostic tests - correct answer ✔✔WBC with differential
Hemoglobin and Hematocrit
, Platelets
Red blood cells (RBC)
Peripheral blood smear diagnostic test - correct answer ✔✔Mean corpuscular volume (MCV)
Diagnostic tests related to hematologic and immune function - correct answer ✔✔Bone marrow
aspiration and biopsy
Skin testing
Hgb (male) - correct answer ✔✔14-18 g/dL
Hgb (female) - correct answer ✔✔12-16 g/dL
Platelet count should be - correct answer ✔✔150,000-400,000/mm3
WBC count should be - correct answer ✔✔5,000-10,000/mm3
RBC count should be - correct answer ✔✔4-5.5 million
Iron deficiency anemia - correct answer ✔✔results when there is not enough iron to build Hgb for RBCs
Due to Diet
Blood loss
Chronic ETOH ( alcohol abuse)
low (MCV) mean corpuscular volume
vitamin B12 deficiency - correct answer ✔✔pernicious anemia
Increased intake or decreased absorption from GI tract
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