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Frog Dissection

Total questions: 37

Worksheet time: 18mins

Name
Class
Date
1.
Largest organ in frog's body
a)
heart
b)
Small intestine
c)
large intestine
d)
liver
2.
Adaptation of the feet for swimming in water
a)
Hind legs
b)
webbed feet
c)
toes
d)
teeth
3.
Small tube like structure which connects the stomach to the large intestine
a)
Small intestine
b)
Large intestine
c)
stomach
d)
anus
4.
Name this organ...
a)
Lungs
b)
Heart
c)
Small intestine
d)
Large intestine
5.
Name this organ...
a)
Small intestine
b)
Large intestine
c)
Liver
d)
Spleen
6.
Name this organ...
a)
kidneys
b)
lungs
c)
liver
d)
pancreas
7.
Name this organ...
a)
Heart
b)
Gall bladder
c)
Liver
d)
Lungs
8.
Name this organ..
a)
Pancreas
b)
Stomach
c)
Liver
d)
Anus
9.

Name this organ...(these were more yellow in our frogs)

a)

Fat bodies

b)

liver

c)

small intestine

d)

pancreas

10.
Name this organ..
a)
Mouth
b)
Eardrum
c)
Tongue
d)
Teeth
11.
Name this organ..(looked like a shriveled up pea)
a)
Liver
b)
Pancreas
c)
Gall Bladder
d)
Spleen
12.
What is the first step when prepping your frog for dissection?
a)
Make a vertical cut through the skin using the scalpel
b)
Make a horizontal cut through the skin using the scalpel
c)
Pin each of the specimen's legs down using the surgical pins
d)
Open the flaps of skin using the surgical tweezers
13.
Which is the largest organ with 3 lobes seen here?
a)
The heart
b)
The liver
c)
The stomach
d)
The spleen
14.
Which dissection instrument is seen here and used to make surgical incisions?
a)
Surgical Tweezers
b)
Surgical 
c)
Surgical Pins
d)
Scalpel
15.
Which dissection instrument is seen here and used to move organs around?
a)
Surgical Tweezers
b)
Surgical Pins
c)
Scalpel
d)
Surgical blade handle
16.

Which feature moistens and protects the eye?

a)

Chromatophore

b)

tympanum

c)

nictitating membrane

d)

nares

17.

Find the location of the abdomen.

a)

1

b)

2

c)

3

18.

Which picture shows the dorsal side of the bullfrog?

a)

Left

b)

Right

19.

Find the location of the cloaca.

a)

1

b)

2

c)

3

d)

4

20.

Find the location of a nare.

a)

1

b)

2

c)

3

d)

4

21.

Which picture shows the ventral side of the bullfrog?

a)

Left

b)

Right

22.

Where do frogs store energy?

a)

fat bodies

b)

stomach

c)

liver

d)

fatty tissue in the skin, like humans

23.

How many chambers does a frog heart have?

a)

1

b)

2

c)

3

d)

4

24.

Male or Female?

a)

Female

b)

male

25.

Male or Female?

a)

Male

b)

Female

26.

What external structures would the frog have if it was a male?

a)

testicles

b)

eggs

c)

enlarged thumb pad

d)

vocal sacs

27.

The teeth of the frog are not for chewing. What could they be used for?

a)

Scare predators

b)

hold the prey

c)

protection from predators

d)

attract potential mates

28.
Identify the structure indicated by number 3
a)
Eustachian tubes
b)
Glottis
c)
Maxillary Teeth
d)
Vomarine Teeth
29.
Identify the structure indicated by number 6
a)
Eustachian Tubes
b)
Glottis
c)
Esophagus
d)
Tympanic membrane
30.
Identify the structure indicated by number 7
a)
Tympanic membrane
b)
Eustachian tubes
c)
Esophagus
d)
Ear drum
31.
Two knob-like backward slanting teeth, located on the upper jaw of the frog
a)
Vomerine teeth
b)
Nictitating membrane
c)
Tympanic membrane
d)
Eustachian tubes
32.
Tube leading from the throat to the inside of the tympanic membrane of the ear
a)
Eustachian tubes
b)
Vomerine teeth
c)
Nictitating membrane
d)
Tympanic membrane
33.
A vertical slit in the bottom jaw that is the air passage to the lungs.
a)
Eustachian tubes
b)
Glottis
c)
Vomerine teeth
d)
Lymph nodes
34.
What is this?
a)
Scalpel
b)
Forceps
c)
Dissection Tray
d)
Scissors
35.
What is this?
a)
Scalpel
b)
Forceps
c)
Dissection Tray
d)
Scissors
36.
What are these?
a)
Scalpel
b)
Forceps
c)
Dissection Probes
d)
Scissors
37.

Ridged teeth, located around the upper jaw of the frog

a)

Vomerine teeth

b)

Nictitating membrane

c)

Maxillary Teeth

d)

Eustachian tubes

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