Thrall chapter 30 canine and feline oesophagus Flashcards
1) Which muscles make up the cranial oesophageal sphincter?
a) Thyropharyngeus
b) Palatopharyngeus
c) Cricothyroideus
d) Cricopharyngeus
A, D
2) True or false, the vagal trunk passes through the oesophageal hiatus?
a) True
b) False
A
3) Which of the following statements is true?
a) In dogs the muscular layer in the caudal third of the oesophagus is composed of smooth muscle
b) In cats the muscular layer in the caudal third of the oesophagus is composed of smooth muscle
c) In dogs the muscular layer of the oesophagus is made of smooth muscle
d) In both dogs and cats the muscular layer in the caudal third of the oesophagus is composed of smooth muscle
B
4) In which projection can the caudal third of the oesophagus sometimes be seen when it contains a small amount of fluid and still be considered normal?
a) VD
b) DV
c) Left lateral
d) Right lateral
C
5) What is represented in the image below by the black arrow?
a) Longus colli muscle
b) Longus capitus muscle
c) Partial oesophageal stricture
d) Indentation by the azygous vein
D
6) Which vessels supply oxygenated blood to the oesophagus?
a) Thyroid arteries, bronchoesophageal artery, oesophageal branches of the aorta and intercostal arteries, left gastric artery.
b) Carotid artery, bronchoesophageal artery, oesophageal branches of the aorta and intercostal arteries, left gastric artery.
c) Thyroid arteries, oesophageal branches of the aorta and intercostal arteries, left gastric artery.
d) Thyroid arteries, bronchoesophageal artery, oesophageal branches of the aorta and intercostal arteries, right gastric artery.
A
7) Which of the following is not a fluoroscopic feature of cricopharyngeal achalasia?
a) Incomplete/lack of opening of the cricopharyngeal sphincter or delayed time to opening of the sphincter
b) Barium retention in the pharynx
c) Aspiration of contrast in to the larynx and trachea
d) Short time to opening of cricopharygeal sphincter
7) D – how to tell pharyngeal dysphagia from cricopharyngeal
8) Which type is dysphagia is most common in cats?
a) Oral
b) Pharyngeal
c) Cricopharyngeal
d) Oesophageal
D
9) True or false. The most common vascular ring anomalies that cause clinical disease are caused by a persistent right fourth aortic arch and regression of the left fourth aortic arch.
a) True
b) False
A
Which nerve is not involved in control of swallowing?
A V
B VII
C VIII
D IX
E X
F XII
C
Which lymph nodes don’t drain the oesophagus?
Medial retropharyngeal
Mandibular
Deep cervical
Cranial mediastinal
Bronchial
Portal
Splenic
Gastric
Axillary
Mandibular, axillary
What is the most common cause of megaesophagus in dogs?
Neuromuscular junction disease (m. Gravis(
Disease of muscle (myositis)
Polyneuropathy
Idiopathic
Disease of the central nervous system
Idiopathic
Which oesophageal neoplasias are associated with spirocerca lupi infection?
Squamous cell carcinoma and fibrosarcoma
Adenocarcinoma and branchioma
Leiomyosarcoma and osteosarcoma
Osteosarcoma and fibrosarcoma
Osteosarcoma and fibrosarcoma
Which breed is reported to have congenital oesophageal hernias?
French Bulldog
German Shepherds
Great Dane
Shar-pei
shar- pei
