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Flashcards in lungs Deck (16)
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1
Q

anterior and posterior pulmonary plexuses are formed by fibers of?

A

Vagus nerve- parasympathic and sensory
Sympathetic trunk- sympathetic and sensory

These are the nerve supply to the lungs

2
Q

when there is bronchial DILATION and VASOCONSRICTION and DECREASED glandular secretion what system is activated in the lungs?

A

sympathetic activation

3
Q

when there is bronchial CONSTRICTION and VASODILATION and INCREASED glandular secretion what system is activated?

A

parasympathetic activation

4
Q

asthma is caused by spasms of what?

A

smooth muscle, which lies in the segmental bronchi and bronchioles

5
Q

what type of asthma is triggered by allergens?

A

extrinsic

6
Q

what type of asthma is triggered by non-allergic stimuli like stress, cold or exercise?

A

intrinsic

7
Q

what is often associated with upper thoracic subluxations?

A

asthma- adjustments bring relief

8
Q

where do sympathetics originate?

A

T2-T5- impingement here allows parasympathetic to dominate

9
Q

the lower thoracics T9-11 supply what?

A

adrenal medulla which secretes epinephrine- a potent bronchodilator

10
Q

describe the drainage of lymph from the lungs

A
  • lymph from lungs drain to pulmonary and bronchopulmonary

- drain into tracheobronchial nodes

11
Q

what is smokers cough caused by?

A

damaged cilia

12
Q

when cilia of the respiratory epithelium move mucus and dirt up and out its called?

A

mucociliary clearance

13
Q

what is a primary tumor of the bronchus?

A

bronchogenic carcinoma

14
Q

what is the usual causes of a bronchogenic carcinoma?

A

cigarette smoking and air pollution

15
Q

describe bronchogenic carcinoma

A

highly metastatic
spreads quickly to lymph nodes and blood stream traveling via pulmonary veins to heart and circulation
causes enlargement of sentinel node

16
Q

what nerves does lung cancer affect?

A

phrenic- paralysis of half the diaphragm

recurrent laryngeal- paralysis of half of the larynx