This quiz will test your knowledge of the skull and its different aspects. The quiz will consist of fill in the blank, multiple choice, and short essay.
Questions and Answers
1.
The most ancient part of the skull that first arose to support the pharyngeal slits in protochordates is the ________________.
A.
Neurocranium
B.
Chondrocranium
C.
Dermatocranium
D.
Splanchnocranium
Correct Answer
D. Splanchnocranium
2.
In Squalus, the mandibular arch is composed of ______________ ventrally.
Correct Answer
3.
Identify structure A.
Correct Answer rostrum
4.
What is the function of structures B, C, and D in the Squalus skull?
Correct Answer formation of a protective eye cup
5.
Which jaw attachment is attached to the braincase anteriorly by a ligament connecting the palatoquadrate to the skull and posteriorly by the hyomandibular?
A.
Paleostylic
B.
Euautostylic
C.
Amphistylic
D.
Hyostylic
Correct Answer
C. AmpHistylic
6.
Identify structure E and tell what it contains.
Correct Answer otic capsule contains the semicircular ducts otic capsule, semicircular ducts otic capsule and semicircular ducts
7.
Identify structure F.
Correct Answer eye orbit
8.
Which is NOT a true characteristic of hyoid apparatus in tetrapods?
A.
It is not a ventral derivative of the splanchnocranium
B.
Develops in the floor of the pharynx
C.
Supports bone of tongue
D.
Part of the feeding mechanism in mammals
Correct Answer
A. It is not a ventral derivative of the splanchnocranium