Paul's Misc

Question 1

What test will help you to differentiate ARDS from a cardiogenic cause if there is doubt?

Answer 1

Pulmonary artery wedge pressure < 18 mmHg (obtained by pulmonary artery catheterization). ARDS is non-cariogenic

Question 2

What is the normal value for the CVP?

Answer 2

0-10mmHg

Question 3

What is atelectasis?

Answer 3

absence of gas from all or part of the lung

Question 4

What are risk factors for atelectasis?

Answer 4

smoking
COPD
thoracic surgery
high BMI

Question 5

What are the cells of the stomach?
What do they produce?

Answer 5

parietal cells (fundus) - HCL + intrinsic factor
chief cells - pepsinogen
mucous cells - mucous
G-cells (pylorus) - gastrin

Question 6

How is HCL secretion regulated in the stomach?

Answer 6

Simulated by
ACh from parasympathetic
Gastrin
HIstamine

Inhibited by
somatostatin
secretin
CCK

Question 7

Which hormones contribute to emptying of the stomach?

Answer 7

Gastrin
CCK
SEcretin

Question 8

How is Hodgkin Lymphoma staged?

Answer 8

Ann Arbor System
1. single LN
2. 2 or more LN, one side of diaphragm
3. 2 or more LM, both sides of diaphragm
4. extralymphatic sites

A=abscence of systemic symptoms
B=systemic symptoms