Flashcards in Reptiles Deck (97)
What is the difference in turtles, tortoises and terrapins?
Tortoises: dry land
Terrapins: brackish areas (marsh)
What is appendix 1?
Animals that are classified in this are only allowed for research/conservation trade import/export permits
T/F: Ectotherms can't regulate their own body temp
What is the anatomical structure that protects the body, aids in locomotion and allows moisture to be retained?
What species has scutes?
Crocodiles and chelonians
What is the term for shedding?
What factors contribute to dysecdysis?
inappropriate closures/humidity, significant scarring, dehydration
What is the difference in UVA and UVB lighting?
UVB- necessary for production of Vitamin D3 within skin
What substrates can be used in enclosures?
Newspaper, paper towel, astroturf, gravel, aspen shavings, playsand, recycled paper pellets
How do we know the prey of snakes are okay to feed?
No larger than the girth, pre-killed prey preferred
How do we know if the prey of lizards are okay to feed?
No larger than the width of th ehead
Which insects can cause impacitons in lizards?
Crickets and mealworms
Parsley, spinach and chives are rich in what?
Oxalates (oxalic acid) --> can bind Ca and reduce absorption leading to Goiter
What should be included in a patient diary?
Feeding schedule, weight, stool production, ecdysis
What is the name for the copulatory organs?
How do you tell the difference from a male and female tortoise?
Male: concave plastron and longer tail
What is the difference in male vs. female red eared sliders?
Males have longer tails and claws
What is important to understand when restraining a reptile?
They don't have diaphragms
How do you hold a snake?
Place index finger and thumb around mandible
What is the handler rule for snakes?
1 handler per every 3 ft. of body length
What predisposes snakes to alantoaxial subluxation?
Single occipital condyle
What happens when a lizard gets stressed?
Tail autotomy- the tail will fall off and will regrow as a cartilaginous structure
How do you hold a medium sized lizard?
Cradle tail base under armpit and put body/head along forearm
Which reptiles have complete tracheal rings and which ones have incomplete tracheal rings?
Complete: crocs and chelonians
Incomplete: snakes and lizards
Which air sac does gas exchange take place in reptiles?
Cranial air sac
What is particular about snake lungs?
They only have one lung (L typically absent)
Males will sometimes have a vestigial L lung lobe
Since a stethoscope cannot be used on chelonians- how can you listen to the HR and rhythm?
Doppler probe at thoracic inlet
How many chambers do reptile hearts have?
*Crocs have 4*
Which species have external ears?
Lizards and crocs