Rodents/Pocket Pets

Question 1

which pocket pets have a clavicle?

Answer 1

all of them I think…rats, guinea pigs, mice, rabbits

Question 2

which species have a fused tibia/fibula and which do not?

Answer 2

fused: rats
unfused: guinea pigs

Question 3

in the rat, which lung is lobed?

Answer 3

the right

left lung has no lobes at all

Question 4

what is different about the rat cardiovascular anatomy?

Answer 4

they have a left and right cranial vena cava

Question 5

what is the dental formula for the rat?

Answer 5

1,0,03

Question 6

how is a rat’s massester muscle different?

Answer 6

there is some in the infraorbital canal to help in cranial pull of the mandible

Question 7

which species have an incompletely divided glandular vs non-glandular and which have a complete separation?

Answer 7

incomplete separation: rat

Question 8

what are the unique features of the rat accessory glands in the male?

Answer 8

the vesicular glands are closely related to the coagulating glands which make the sperm plug

Question 9

what is the gland called in the rat that gives their tears a red pigment?

Answer 9

Harderian gland

Question 10

which species is known for flank glands?

Answer 10

hamsters

Question 11

what is the dental formula for guinea pigs?

Answer 11

1,0,1,3

Question 12

which pocket pet are obligate nose breathers?

Answer 12

rabbits

Question 13

the peg tooth is a characteristic of the ____

Answer 13

rabbit

Question 14

rabbits have an open _____

Answer 14

philtrum

Question 15

rabbits have a unique structure at the end of their ileum called the _____ where the ileum, cecum, and colon meet. It is packed with ____

Answer 15

sacculus rotundus

lymph tissue

Question 16

in rabbits, the ______ coli is the place where the proximal colon, which is ______, becomes the distal colon, which is not _____

Answer 16

fusus coli

haustrated

haustrated

Question 17

what is different about the rabbit cervix?

Answer 17

there are two of them