Nurs 142 Module 3 Actual Questions And Answers.

NURS 142 MODULE 3 ACTUAL QUESTIONS AND ANSWERS
What is the purpose of lab and diagnostic tests - CORRECT ANSWER✅✅Screening

Diagnosis

Monitoring



What percentage of total body weight is blood? - CORRECT ANSWER✅✅6-8%



What are the functions of blood - CORRECT ANSWER✅✅-Transport O2 and CO2

-waste removal (co2)

-body regulation (temp and acid base balance)



What does CBC mean - CORRECT ANSWER✅✅Complete blood count



What is CBC composed of - CORRECT ANSWER✅✅WBC count

RBC count

Hemoglobin

Hematocrit

Platelet count



Normal RBC count in adults/elderly - CORRECT ANSWER✅✅4.0-6.0 x106 microL



What is the difference in RBC count in male and females - CORRECT ANSWER✅✅Male is higher



What is the lifespan of blood - CORRECT ANSWER✅✅120 days



What does a decreased level of RBC mean - CORRECT ANSWER✅✅Blood loss

Anemia

Overhydration

, What does increased level of RBC mesn - CORRECT ANSWER✅✅Dehydration

High altitude

COPD/cardiovascular disease



What is hemoglobin - CORRECT ANSWER✅✅Main component of RBC that carries 02 and CO2



Normal male hemoglobin - CORRECT ANSWER✅✅13.5-17 g/dL



Normal female hemoglobin - CORRECT ANSWER✅✅12-15 g/dL



Critical hemoglobin lab - CORRECT ANSWER✅✅<5, >20 (clog up blood vessels)



What is hematocrit - CORRECT ANSWER✅✅VOLUME of Packed RBCS



Normal male hematocrit - CORRECT ANSWER✅✅40-54%



Normal female hematocrit - CORRECT ANSWER✅✅36-46%



Elderly hematocrit levels are - CORRECT ANSWER✅✅Slightly decreased normals



Critical hematocrit levels and what they could mean - CORRECT ANSWER✅✅<15%(overhydration)
>60% (dehydration)



Interventions for decreased Hct, Hgb, and RBCS - CORRECT ANSWER✅✅-Health teaching

-Diet rich in iron

-safety

-collaborative