Exam (elaborations)
NSG 550 Week 5 Exam Questions And Correct Answers
- Course
- Institution
NSG 550 Week 5 Exam Questions And Correct Answers...
[Show more]
Content preview
NSG 550 Week 5 Exam Questions And Correct AnswersAlpha1-antitrypsin deficiency - ANS Genetic disorder resulting in pulmonary [and
hepatic] disease, usually manifesting between 25-50 years with dyspnea, decreased
exercise tolerance, and wheezing. Smoking increases the rate of development of
emphysema.
Neutrophil elastase - ANS Enzyme released from white cells as part of an infection that
can also attack normal lung tissue and is responsible for alveolar destruction in
Alpha1-antitrypsin deficiency.
Alpha1-antitrypsin role A protein that protects the lung from neutrophil elastase. Its
deficiency causes emphysema and other types of damages to the lungs.
COPD screening for Alpha1-antitrypsin deficiency GOLD standards recommend that all
COPD patients are to be screened for Alpha1-antitrypsin deficiency.
ACE - Angiotensin-converting enzyme Converts angiotensin I into angiotensin II. This
results in constriction of the blood vessels which raise blood pressure.
ACE in lung protection - ANSWER ACE2 safeguards against acute lung injury in ARDS by
controlling the renal angiotensin system.
ARDS - ANSWER Acute Respiratory Distress Syndrome; ACE2 may protect against
acute lung injury in this disease.
Pulmonary hypertension and RAS - ANSWER The renin-angiotensin system appears to
play a part in the pathogenesis of pulmonary hypertension and fibrosis.
ABG-Arterial Blood Gas ANSWER Measures oxygen, carbon dioxide and pH in the blood
to evaluate acid-base balance.
, Normal ABG pH ANSWER Normal pH in arterial blood gas is 7.35-7.45.
Normal PCO2 ANSWER Normal range of partial pressure of carbon dioxide in ABG is
35-45 mmHg.
Normal HCO3 ANSWER Normal range of bicarbonate in ABG is 18-22 mEq/L.
Tumor markers for cancers - ANSWER Substances produced by tumor cells; often
tested through biopsy for mutations that help in targeted cancer therapy.
EGFR - ANSWER Epidermal Growth Factor Receptor; one of the most common
mutations checked in non-small cell lung cancer as part of targeted therapy.
KRAS - ANSWER A genetic mutation known in cancer development, especially in lung
cancer; guiding targeted therapy.
ALK-ANSWER Anaplastic Lymphoma Kinase; gene that is mutated in lung cancer and
tested to direct treatment.
Carbon dioxide content-ANSWER The CO2 level in the blood, mainly in the form of
bicarbonate, which acts as major buffer for maintaining acid/base homeostasis.
Carboxyhemoglobin-ANSWER A test to determine exposure to carbon monoxide; >30%
level constitutes serious poisoning.
Poisoning by carbon monoxide- ANSWER Administered 100% oxygen or hyperbaric
oxygen therapy in case of elevated levels of carboxyhemoglobin.
D-dimer- ANSWER It is a protein fragment. It is generated when a blood clot is
degraded. High D-dimer levels indicate the presence of clot formation. It is, however not
specific enough.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Easton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67866 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now