An tech V Lizards, snakes, chelonians, amphibians, and hematology

What does ecdysis mean?

shedding of the skin

Do lizard shed their skin in one piece like snakes?

no

What does dysecdysis mean?

difficult shedding

What is unique about gecko’s and their skin if threatened by a predator?

can automize tear or release the entire skin

What is tail autotomy ?

the loss or release of the tail

How is tail autotomy useful in lizards?

creates a distraction and allows escape

What does a heart of a lizard consist of ?

3 chambers consisting of 2 atrias and 1 ventricle

How is ventilation accomplished in a lizard?

rib expansion by the contraction of intercostal muscles

What type of lighting is best and why?

UV- B for vitamin D3

Calcium deficiency can cause what?

metabolic bone disease

Name the nutritional disorder that can effect the eye?

Hypovitaminosis A

Where are IM injections given in a lizard?

epaxial and bicep muscles

Do snakes shed their skin in one piece or several pieces?

one piece

What is unique about the mandible of the snake?

lacks mandibular symphysis, which allow it to move sideways

What does the heart consist of in a snake?

3 chambers, 2 atrias, and 1 ventricle

What is unique about snake lungs?

have a single functioning right lung and a small non functioning left lung, right lung is generally one half or more of the snake’s body length

Do snakes possess a urinary bladder?

no

How often are adult snakes fed?

once a week to every 14 days

Name 3 sites for venipuncture on a snake

jugular, cardiosentesis, and palatine vein

A turtle's shell is divided into. How many parts and what are those parts called?

2 parts/ carapace and plastron

How do aquatic and softshell turtles exchange oxygen?

through oral cavity and cloaca

What is the term use to describe infections of the shell involving loss of scutes

shell rot

Do turtles possess a diaphragm and why is this a concern?

no, they cannot clear discharge in their lungs by coughing, causes pneumonia

What sites are used for blood collection in turtles?

jugular, brachial, subcarapacial, tail, femoral, ocassionally the heart

What is the term for consuming the shed skin?

dermatophagy and keratophagy

What are the three functions of the skeleton?

protection, locomotion, support for terrestrial exsistence

What are four modalities of respiration in amphibians?

brachial (gills), buccopharyngel (cheeks), cutaneous and pulmonic

What organ functions in food recognition?

Jacobson’s organ (vomeronasal)

Frogs are considered food gulpers what does this mean?

prey is swallowed whole with little to no chewing

What are common surgical procedures performed on amphibians?

celiotomy, mass removal, and limb amputation

What is a unique white blood cell in reptiles?

azurophil

What is the predominant white blood cell in rat snakes?

heterophils

What is unique about a reptiles their RBC's?

they are nucleated

What type of cbc is used in reptiles?

manual