Pulm

Question 1

What causes the greenish discoloration in sputum?

Answer 1

MPO

Question 2

During aerobic exercise, what happens to CO2 and O2 in arteries/veins

Answer 2

Increase CO2 in veins, decrease O2 in arteries

Question 3

A person with S3, dyspnea, bibasilar crackles has dyspnea for what reasons?

Answer 3

LV failure. Results in backed up blood to lungs, pulm edema hypertension –> pulm edema. Fluid in lungs decrease compliance! So lungs can’t expand.

Question 4

A patient with increased elastic resistance (pulm fibrosis, edema, ARDS) has increased or decreased WOB?

Answer 4

Patients with stiff lungs favor high RR and low tidal volume. High airflow resistance are the opposite.

Question 5

Parent has 1/30 chance of getting a disease that is AR and the other parent is 1/100. What is the chance the kid has it?

Answer 5

(1/302)(1/100*2)

Question 6

Unaffected child who is heterozygous recessive parents has what chance of being a genetic carrier?

Answer 6

2/3

Question 7

What intercostal space as measured from the L midclavicular line is the apex of the heart?

Answer 7

5. LV lies there. All other medial to the L midclavicular line