Respiration

Question 1

(CL) Nasal Cavity & Paranasal Sinuses: What structures are part of the nasal cavity? What directional view?

Answer 1

1. rostral
2. caudal
3. external nares
4. hard palate
5. tongue

Question 2

(CL) Name the structures found on this photo

Answer 2

1. Septum
   - divides nasal cavity
2. Conchae
   - scroll-like bone
   - covered with epithelium (anchors)
   - increases surface area (acts as a filter, humidifies air)
3. Meatus (= space)
   - dorsal, middle, ventral, and common
4. hard palate

Question 3

(CL) Name the structures found on this photo

Answer 3

1. dorsal meatus
2. middle meatus
3. common meatus
4. ventral meatus
5. septum
6. dorsal concha
7. ventral concha

Question 4

(CL) Name the structures that complete the Pharynx

Answer 4

1. Pharynx
2. Oropharynx (ventral to soft palate)
3. Soft palate
4. Laryngopharynx (joins naso & oro to esophagus & trachea)
5. Nasopharynx (dorsal to soft palate)

Question 5

(CL) What is the Pathway for Food in the Pharynx

Answer 5

oral cavity –> oropharynx –> laryngopharynx –> esophagus
- starts ventral of the nasal pathway then crosses over the laryngopharynx to continue dorsally

Question 6

(CL) The Pathway for Air in the Pharynx

Answer 6

nasal cavity –> nasopharynx –> laryngopharynx –> trachea
- starts dorsal of the oral pathway then crosses over the laryngopharynx to continue ventrally

Question 7

(CL) Name the 3 structures that are connected to the Hyoid Apparatus:

Answer 7

Question 8

(CL) Name the 5 structures that are park of the Larynx:

Answer 8

A. Hyoid apparatus
B. Epiglottis
C. Thyroid
D. Arytenoid
E. Cricoid

Question 9

(CL) What are the 3 articulation locations within the Larynx?

Answer 9

1. Thyrohyoid articulation
2. Cricothyroid articulation
3. Cricoarytenoid articulation

Question 10

(CL) Name the structures found on this photo:

Answer 10

1. Trachea
2. Fibroelastic tissue
3. Esophagus
4. Spinal cord

Question 11

(CL) Name the structures in this photo:

Answer 11

1. Terminal bronchiole
2. Venule
3. Arteriole
4. Capillary
5. Alveolar duct
6. Alveolar sac
7. Alveolus

Question 12

(CL) What are the 3 types of pleura?

Answer 12

1. Mediastinal pleura
2. Parietal pleura
3. Visceral pleura
4. Mediastinum

Question 13

(CL) What are the structures/action of lunch ventilation via aspiration pump?

Answer 13

1. Ribs
2. Pleura cavity
3. Lungs
4. Expansion / contraction of pleura cavity
5. Diaphragm

Question 14

(LM) Name the boundaries of the nasal cavity:

Answer 14

1. braincase
2. cribiform plate
3. hard plate
4. nasal bone
5. maxilla

Question 15

(LM) Name the paranasal sinuses in this picture:

Answer 15

1. frontal sinus
2. maxillary sinus
   2a. rostral & caudal maxillary sinus
3. frontal sinus
4. ethmoidal conchae

Question 16

(LM) Name the lung lobes:

Answer 16

1. cranial lobe
2. cardiac notch
3. caudal lobe
4. heart
5. caudal lobe
6. accessory lobe
7. middle lobe
8. cranial lobe
9. heart

Question 17

(LM) Name the structures of diaphragm:

Answer 17

1. xiphoid cartilage
2. muscular portion
3. central tendon
4. caval foramen (w/ caudal vena cava)
5. esophageal hiatus (esophagus)
6. aortic hiatus (w/ aorta)
7. 13th rib
8. crus (left)
9. lumbar vertebra