APRN Cancer – Pathophysiology – Qs And As
In which cell function is BRCA1, a gene mutated in women with familial breast
carcinoma, involved? ✔️Ans - Transcriptional regulation and DNA repair
A mutation of a somatic cell is passed along to any offspring ✔️Ans - False
Basal metabolic rates of people with cancer are usually __________ than normal.
✔️Ans - Higher
Autocrine stimulation is the ability of cancer cells to: ✔️Ans - secrete
growth factors that stimulate their own growth
Familial cancers are associated with all of these, except ✔️Ans -
spontaneous development across generations
What are characteristics of "cancer in situ"?
-Cells have broken through the local basement membrane.
-Cells have invaded immediate surrounding tissue.
-Cells remain localized in the glandular or squamous cells.
-Cellular and tissue changes indicate dysplasia ✔️Ans - Cells remain
localized in the glandular or squamous cells.
What are tumor cell markers? ✔️Ans - Hormones, enzymes, antigens, and
antibodies produced by cancer cells
What is the consequence for cells when the functioning TP53 gene is lost due
to mutation? ✔️Ans - Cells escape apoptosis.
What is the primary role of vascular endothelial growth factor (VEGF), basic
fibroblast growth factor (bFGF), and transforming growth factor-alpha (TGF-
a) in cell metastasis? ✔️Ans - To develop new blood vessels to feed cancer
cells
Which of the following describes a malignant cell? Select all that apply.
✔️Ans - -Rapid growth
-Invasive
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 LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.