more CP (patho)

Question 1

Chronic hypoxia

Answer 1

causes decreased sensitivity of central chemoreceptors to CO2, now only responds to O2 levels, so if given O2 therapy, it may decrease RR. (normally decreases RR when CO2 is high)

Question 2

squamous cell carcinoma

Answer 2

cigarette smoking, centrally located

late metastasis

Question 3

adenocarcinoma

Answer 3

more peripheral, invades blood and lymph

early metastasis

Question 4

large cell carcinoma

Answer 4

spreads early and extensively

Question 5

small cell carcinoma

Answer 5

worst one to have, “oat seed”. early metastasis, worst prognosis

Question 6

Horner’s syndrome

Answer 6

SNS disorder, miosis, ptosis, and loss of sweating on one side of the face

Question 7

Metastatic lung cancers are much more common than primary lung cancers

Answer 7

True

Question 8

intermittent claudication

Answer 8

mm pain due to lack of oxygen delivery because of poor arterial blood flow.
s/s: pain at rest, bruits, pale/cool skin when elevated, blue skin when dependent, no hair growth on legs and shiny skin, pain with stairs and activity, decreased pulse