Lungs & Blood

Question 1

What is the normal volume of air displaced between normal inhalation & exhalation when no extra efforts is applied?

Answer 1

500 mg TIdal volume

Question 2

What is vital capacity?

Answer 2

IRV + ERV+ TV

Question 3

The pressure on a mountain in 250 mmHG, what’s the partial pressure of O2?

Answer 3

20% –> 50 mmg

Question 4

What’s the epithelium of respiratory tract?

Answer 4

Pseudostratified ciliated columnar epithelium with globet cells

Question 5

Stretch receptors (Hering-Breuer reflex) of the lung is carried by which nerve?

Answer 5

Vagus

Question 6

What produces mucous in lungs?

Answer 6

Clara cells

Question 7

What happens in obstructive lung disease?

Answer 7

Compliance is increased

decreased in restrictive

Question 8

In which can we see more squamous epithelial metaplasia?

Answer 8

Bronchus

Question 9

Which organ is most likely to undergo red infarction?

Answer 9

Lung

white affects solid organs; red affects loose organs

Question 10

What can emphysema lead to?

Answer 10

respiratory acidosis

Question 11

Hyperventilation can lead to?

Answer 11

alkalosis

Question 12

MEtabolic acidosis is caused by?

Answer 12

Hyperventilation

REMEBER RUBMUB

Question 13

After metabolic/respiratory acidosis, which abnormality of electrolyte is more likely?

Answer 13

hyperkalemia

Question 14

When is intrapleural pressure the most negative?

Answer 14

end of expiration

Question 15

When is alveoli pressure the most negative?

Answer 15

Beginning of inhalation

Question 16

What kind of epithelium is found in the nasopharynx region?

Answer 16

Ciliated pseudostratified columnar epithelium

Question 17

Infant has trouble breathing, what cells are causing the problems?

Answer 17

Type 2 pnemonocytes

Question 18

What describes oxygen transport?

Answer 18

Bohr effect

Question 19

What is true about myoglobin?

Answer 19

Graph is hyperbolic

Question 20

Carotid body measures?

Answer 20

Partial pressure of O2

Question 21

CO decreases ___content but ___is normal

Answer 21

O2, PO2

Question 22

Patient is on nitrous, best way to measure efficiency?

Answer 22

Reserve minute volume

Question 23

Mineral for coagulation?

Answer 23

Zinc & Ca2

Question 24

What carries iron in the plasma?

Answer 24

transferrin

Question 25

Prothrombin acts with which one to form thrombin?

Answer 25

Ca2+

Question 26

What is the substrate of thrombin?

Answer 26

Fibrinogen

Question 27

If we put RBC in hypotonic solution what happens?

Answer 27

hemolysis

Question 28

AntiA & antiB both agglutinate, what blood type?

Answer 28

AB

Question 29

Which one of these help in retraction of blood clots?

Boy bleeds during extraction, his maternal uncle & cousin have the same problem, which factor is involved?

Answer 29

Factor 8 (Hemophilia A)

Question 30

Hemophilia B (Christmas disease) is due to what deficiency?
hemophilia C?

Answer 30

Factor 9

Factor 11