Amphibian and reptilian anatomy and physiology

Question 1

crocodylia

Answer 1

alligators and crocodiles

Question 2

squamata

Answer 2

snakes and lizards

Question 3

Chelonia

Answer 3

turtles and tortises

Question 4

rhyncocephalia

Answer 4

tuataras

Question 5

amphibia class

Answer 5

gymnophiona - caecilians
Anura - frogs and toads
cautata - salamanders and newts

Question 6

ectothermic

Answer 6

cold blooded

Question 7

integument components

Answer 7

subcutaneous space
dermis
epidermis

Question 8

chromatophores

Answer 8

pigment containing cells

Question 9

spectacle

Answer 9

modified scales that cover the eyes

Question 10

ecdysis

Answer 10

shedding

Question 11

ecdysis is controlled by what

Answer 11

thyroid

Question 12

hypovitaminosis A

Answer 12

diets difficient in vitamin A
epithelial cells become flattened and lose ability to perform functions – squamous metaplasia

Question 13

appropriate HR for reptiles formula

Answer 13

HR=33.4x(wt in Kg^-0.25)

Question 14

heterophils

Answer 14

analagus to mammalian neutrophils
do not contain peroxides and acid phosphate

Question 15

common blood vessel in reptiles used

Answer 15

ventral coccygeal vein

Question 16

vomeronasal organ

Answer 16

accessory olfactory organ

Question 17

teeth

Answer 17

threcodont - arise from sockets in the skill only in croc
pleurodont - attached to periosteum
acrodont - fused to the biting edges of the mandible and maxillae

Question 18

proteroglyphous and opisthoglyphous

Answer 18

fixed fangs

Question 19

solenoglyphous

Answer 19

fangs fold against mouth

Question 20

aglyphous

Answer 20

non venomous

Question 21

pectoral girdle

Answer 21

skeletal attachment of the forelimb to the thorax