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NUR195 - Test 2 questions with verified/correct answers

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NUR195 - Test 2 questions with verified/correct answers

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  • August 2, 2024
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NUR195 - Test 2
Hematologic 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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