BSNC 1000 Questions with CORRECT Answers

BSNC 1000 (12) Questions with CORRECT Answers


Question:
Explain capacity building
Answer:
the process of empowering others and strengthening their capabilities. Used to
address health concerns in nursing in order to implement decisions, actions or
teach

Question:
What is hypoxemia?
Answer:
low oxygen in the blood

Question:
What is hypoxia?
Answer:
low O2 content in tissues

Question:
What is ischemia?
Answer:
lack of oxygenated blood flow

Question:
What is histoxic hypoxia?
Answer:
Cells fail to use oxygen

Question:
What is anoxia?
Answer:
complete lack of oxygen in tissues

, Question:
What is emphysema?
Answer:
airflow limitation due to a destruction of elastin fibers and abnormal enlargment
of alveoli

Question:
What is the pathogenesis for emphysema?
Answer:
Neutrophils in alveoli secrete protease (elastase) to kill pathogens. Alveoli are
coated with alphaantitrypsin (AAT) to prevent elastase from further damaging

Question:
What is stroke volume?
Answer:
the amount of blood ejected by the heart in any one contraction

Question:
What three factors affect stroke volume?
Answer:
Preload = amount of blood in ventricles at end of diastoli

Question:
How does cardiac dysfunction impair gas exchange?
Answer:
Blood vessels are stiff which causes a higher pressure gradient so blood cannot be
pumped as the heart is overloaded

Question:
How does fibrous and less elastic alveoli impair gas exchange?
Answer:
Decreases O2 diffusion due to decreased surface area for gas exchange to take
place. Residual volume is also decreased, so expiration is not as effective which
increases build of of CO2