Part 1 Flashcards Preview

Physiology 3 Exam 3 > Part 1 > Flashcards

Flashcards in Part 1 Deck (20)
Loading flashcards...
1
Q

Respiratory neurons in the brain stem sets the basic drive of?

A

Ventilation

2
Q

Respiratory neurons in the brain stem descends neural traffic to?

A

Spinal Cord

3
Q

Respiratory neurons in the brain stem activates?

A

Muscles of Respiration

4
Q

Ventilation of alveoli is coupled with?

A

Perfusion of Pulmonary Capillaries

5
Q

Exchange of oxygen and carbon dioxide is necessary for?

A

Pulmonary Physiology

6
Q

Where are respiratory centers located?

A

Brain Stem

7
Q

Respiratory centers in the brain stem are found where?

A

Dorsal and Ventral Medullary Group

8
Q

What do respiratory centers affect?

A

Rate and Depth of Ventilation

9
Q

Respiratory centers are influenced by?

A

Higher Brain Centers
Peripheral Mechanoreceptors
Peripheral and Central Chemoreceptors

10
Q

Inspiratory muscles of ventilation increase?

A

Thoracic Cage Volume

11
Q

What are the inspiratory muscles of ventilation?

A
Posterior Superior Serratus
Anterior Serratus
Sternocleidomastoid
Scaleni
Diaphragm
External Intercostals
Levator Costarum
12
Q

Inspiration is normally an?

A

Active Process

13
Q

Expiratory muscles decrease?

A

Thoracic Cage Volume

14
Q

What are the muscles of expiration?

A
Posterior Inferior Serratus
Internal Intercostals
Transverse Thoracis
Abdominals
Pyramidals
15
Q

Expirations is normally a?

A

Passive Process

16
Q

What muscle is a stabilizer for lumbar spine?

A

Transverse Abdominis

17
Q

When muscles of inspiration contract how much total body energy is used?

A

3%

18
Q

The diaphragm drops the floor of the?

A

Thoracic Cage

19
Q

When muscles of expiration contract they?

A

Pull the rib cage down

20
Q

Expiration is associated with?

A

Recoil of Lungs