Snakes and Chelonians Flashcards

1
Q

What order are snakes in?

A

Squamata

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2
Q

What is a fossorial habitat?

A

Underground habitat

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3
Q

Cornsnakes resemble what venemous snake?

A

Copperhead

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4
Q

What is the prey of California kingsnakes?

A

Other snakes

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5
Q

How long can California kingsnakes live and grow?

A

up to 20 years

10 ft long

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6
Q

Name 3 pet snakes native to the U.S.A

A

Gopher snake, cornsnake, rosy boa

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7
Q

How long do Rosy boas live and how big do they get?

A

Up to 50 years

4 feet

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8
Q

The red tailed boa is native to what place?

A

North, Central and South America

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9
Q

What habitat does the red tailed boa live in?

A

Arboreal

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10
Q

How big do red tailed boas get?

A

6-10 feet

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11
Q

What is the largest gopher snake?

A

Bull snake

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12
Q

How long do gopher snakes get and live?

A

3-6 feet

15-30 years

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13
Q

Ball pythons are native to what place?

A

Native to central and western Africa

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14
Q

How long do ball pythons live and how long do they grow to?

A

15-20 years

3-5 feet

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15
Q

Surgical equipment used for snakes include:

A

Dremel, stainless steel suture, transparent surgical drapes, and a magnifying surgical headset

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16
Q

What are the 6 common snakes kept as pets?

A

Corn snake, california snake, ball python, rosy boa, red tailed boa, gopher snake

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17
Q

What are topics to discuss with owners that own aquatic snakes?

A

water quality control, filter systems used, sources of water, and frequency of water change are all important. Owners need to list types of cleaning agents and disinfectants used and the frequency of use.

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18
Q

What it is the appropriate temperature range for snakes?

A

75-90 degrees

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19
Q

What is the humidity range of most pet snakes?

A

50%-70%

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20
Q

Which pet snake mimics the rattlesnake by making the rattling noise in their throat?

A

Gopher snake

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21
Q

Nephrotoxic drugs should not be given in which part of the reptilian body?

A

Caudal

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22
Q

What is the common IM injection site in snakes?

A

Epaxial muscles

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23
Q

How are oral meds given to snakes?

A

Stomach tube

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24
Q

What is the most common reptilian disease seen and what’s it caused by?

A

Metabolic bone disease

Caused by really low calcium, low vitamin D3, excessive phosphorous

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25
Q

If fresh feces isn’t available, how can it be obtained?

A

removed from the terminal alimentary tract by gentle palpation or by the insertion of a fecal extractor or cotton tipped applicator through the cloacal vent. A warm water enema can also work.

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26
Q

What is the percentage of water used for an enema in a snake?

A

1% or less

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27
Q

What are the 3 main layers of skin in snakes?

A

Epidermis, stratum germinatavum, and dermis

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28
Q

The dermis consists of what 2 layers?

A

Stratum compactum (innermost layer of dermis of densely knit tissue) and stratum spongiosum (connective tissue, blood vessels, glands, nerve endings, and other cellular structures)

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29
Q

What is eccdysis?

A

Shedding

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30
Q

Snake and lizards have what kind of bacteria?

A

Gram negative

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31
Q

Cross contamination of bacteria can occur between what 2 species?

A

Avians and snakes/lizards

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32
Q

How many chambers are in the snake heart? How many chambers does the snake actually function?

A

3

5

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33
Q

How and why is the heart oriented in terrestrial snakes?

A

Heart is closer to the head and blood vessels in the distal portion of the body dilate to receive more blood

34
Q

How and why is the heart oriented in arboreal snakes?

A

Heart is closer to the head so blood can easily reach the brain while hanging vertically

35
Q

How and why is the heart oriented in aquatic species?

A

Heart is in the middle of the body to make pumping effort minimal. External water pressure compensates for low blood pressure and lack of accumulation in the tail

36
Q

The snake ventricle is divided into what 3 parts?

A

cavum arteriosum, cavum venosum, and cavum pulmonale

37
Q

Snakes can perform what cardiac function?

A

Intracardiac shunting, classified as left to right or right to left.

38
Q

What is a right to left intracardiac shunt? What is it used for?

A

deoxygenated blood that should flow out to the pulmonary circuit is expelled out to the systemic circuit via the aortic arches (increasing the amount of circulating blood, decreasing oxygen content).
Used to increase body temperature and bypass the lungs during breath holding.

39
Q

What does a left to right intracardiac shunt do?

A

stabilizes the oxygen content in the blood

40
Q

In snakes, blood goes to the heart from the kidney via what vein?

A

Post caval vein

41
Q

If blood travels through the renal portal system, it only goes through the:

A

convoluted tubules, not the glomeruli

42
Q

The hepatic portal system drains:

A

blood from the intestines into the liver

43
Q

The renal portal system drains:

A

venous channels of tail into kidneys

44
Q

The hypophyseal portal system drains:

A

hypothalamus into sinusoids of anterior pituitary, is the smallest portal system

45
Q

Snake veins lack what?

A

Valves to prevent backflow

46
Q

Why should a feeding tube in snakes be placed in the stomach and not the esophagus?

A

Snake’s esophagus is static and the bolus will sit there for hours

47
Q

What are 3 adaptations in snakes that makes sure there’s enough blood flow?

A

Contraction of smooth muscles along the vessels, undulation/contraction of skeletal muscles massaging blood towards the heart, tight skin in arboreal species acts as an antigravity suit

48
Q

Do reptiles have lymph nodes?

A

No

49
Q

What are common venipuncture sites of snakes?

A

Caudal/Coccygeal vein, cardiac puncture, ventral abdominal vein, palatine vein

50
Q

Describe the lungs of most snakes

A

Most snakes have a larger right lung and smaller nonfunctional left lung

51
Q

What are the vomeronasal organs used for in snakes?

A

Sense a den or pheromones

52
Q

What is sputum in snakes?

Under a microscope, what common parasites can be seen?

A

Mix of saliva and mucus.

Rhabditis spp., Entomelas spp., and Stongloides stercoralis

53
Q

Do snakes have urinary bladders?

A

No

54
Q

Snake kidneys lack what?

A

Loop of henle and renal pelvis

55
Q

What are the 6 hormones released by the adenopophysis in snakes?

A

Adrenocorticotropin• Follicle stimulating hormone• Luteinizing hormone• Prolactin• Somatotropin• Thyrotropin

56
Q

What are the 2 parts of the pituitary gland in snakes?

A

neuropophysis and adenopophysis

57
Q

Which gland in snakes control eccdysis?

A

Thyroid

58
Q

When doing a cloacal probe on a female snake, what should you keep in mind?

A

Female snakes have a blind diverticulum

59
Q

What is a zoonotic bacteria from snakes/reptiles?

A

Salmonella

60
Q

What is vitellogenesis?

A

Production of the yolk

61
Q

What are chelonians?

A

Turtles and tortoises

62
Q

What is the carapace? How many bones does it contain?

A

Hard covering over the upper body

About 50

63
Q

What is the plastron? How many bones does it contain?

A

Hard covering over the lower body

9

64
Q

What are scutes?

A

Individual plates over the chelonian shell

65
Q

What are 3 common pet turtles?

A

Red eared slider, map turtles, box turtles

66
Q

What is the diet of young and adult chelonians?

A

Young chelonians are more carnivorous, and most are herbivores as adults.

67
Q

What is a carnivore, herbivore and omnivore chelonian?

A

Carnivore: Snapping turtle
Herbivore: tortoise
Omnivore: Box turtle, sea turtle

68
Q

Which scute can venipuncture be done under?

A

Nuchal scute

69
Q

How can soft shelled turtles breath?

A

Through their skin

70
Q

What 3 reptiles have no diaphram?

A

Snake, birds and turtles

71
Q

What size is it illegal to sell turtles?

A

Under 4 inches

72
Q

What 2 animals have a 3 chambered heart?

A

Snakes and chelonians

73
Q

Which reptiles have a bladder?

A

Chelonians

74
Q

What are venipuncture sites of chelonians?

A

Jugular vein• Brachial vein• Subcarapacial vein• Ventral tail vein• Dorsal tail vein• Femoral vein• Occipital venous sinus• Heart

75
Q

What is shell rot?

A

Loss of scutes, wet form is from bacterial infection or hemorrhagic discharge, dry form is from fungal or bacterial infection

76
Q

Where is the primary site of microbial fermentation in chelonians?

A

Large intestine

77
Q

Which part of the reproductive system in chelonians hold eggs prior to laying?

A

Avary

78
Q

SCUD (Septicemic Cutaneous Ulcerative Disease) affects primarily who? What does it cause?

A

Aquatic turtles

Shell and skin lesions

79
Q

What causes gout in reptiles that produce lots of uric acid like birds and turtles?

A

Buildup of uric acid via damage to the kidneys

80
Q

What are 3 protozoan parasites?

A

Eimeria, Giardia, Coccidiosis