ILA: RESPIRATORY FAILURE

Question 1

Which nerve supplies motor function to the diaphragm?

Answer 1

Phrenic nerve

Question 2

Which nerve supplies voluntary motor function to the larynx?

Answer 2

Vagus nerve

Question 3

If an adult inhales a peanut, where is it most likely to become lodged?

Answer 3

Right main bronchus

Question 4

What is the term used to describe a malignant tumour of the pleural membranes?

Answer 4

Mesothelioma

Question 5

Central chemoreceptors located in the ventral medulla respond to:

Answer 5

CSF pH

Question 6

The main peripheral chemoreceptors are located in the:

Answer 6

Carotid arteries and aortic arch

Question 7

Changes in which blood parameters stimulates carotid chemoreceptors?

Answer 7

Oxygen, carbon dioxide and H+

Question 8

Type I respiratory failure is characterised by arterial blood gas picture of:

Answer 8

Low pO2

Normal/low pCO2

Question 9

Name a condition which would normally lead to type I respiratory failure.

Answer 9

Asthma

Question 10

Chronic type II respiratory failure is characterised by arterial blood gas picture of:

Answer 10

Low pO2
High pCO2
Normal/high HCO3-

Question 11

Name a condition which would normally lead to type II respiratory failure.

Answer 11

Chronic obstructive pulmonary disease

Question 12

What effect does adrenaline have on bronchial arteries?

Answer 12

Bronchodilation

Question 13

What type of cells provide cilia for the mucociliary escalator?

Answer 13

Columnar epithelial cells