Respiratory Physiology

Question 1

Progressively weakening diaphragmatic contraction with intact phrenic nerve stimulation a problem in?

Answer 1

NMJ Problems like MG or Restrictive Lung Disease

Question 2

Adding amniotic fluid and creating foam is indicative of?

Answer 2

Surfactant

Question 3

IRV+TV=?

Answer 3

IC

Question 4

ERV+RV?

Answer 4

FRC?

Question 5

IRV+TV+ERV?

Answer 5

VC

Question 6

What is the remaining volume after maximal expiration?

Answer 6

RV

Question 7

What cannot be measured on spirometry?

Answer 7

RV

Question 8

Dead space formula?

Answer 8

Vt*(Paco2-Peco2/Paco2)Taco, Paco, Peco, Paco

Question 9

What is the largest contributor of alveolar dead space?

Answer 9

Apex of healthy lung

Question 10

Minute Ventilation vs Alveolar Ventilation?

Answer 10

In both Vt*RRThen in alveolar ventilation it is (Vt-Vd), subtract dead space

Question 11

Compliance is decreased in?

Answer 11

Fibrosis, pneumonia and pulmonary edema

Question 12

In emphysema patients, FRC is higher or lower?

Answer 12

Higher

Question 13

Fetal Hemoglobin has lower affinity for?

Answer 13

2,3 BPG

Question 14

In tissues the hemoglobin form is called? In the respiratory tract

Answer 14

Taut in Tissues (Deoxygenated)Relaxed in Respiratory