Name
BIOLOGY 406 HUMAN & COMPARATIVE ANATOMY, SPRING 2009
EXAMINATION #3 (PART 1)
Date
MULTIPLE CHOICE.⎯For the following multiple
choice questions circle the letter in front of the
response that best answers the question or completes
the sentence. (10%, 2% each)
FILL-IN-THE-BLANK/LABEL I.⎯For the
following write the appropriate name for the bone or
suture in the available space. (10%, 1% each)
1. Which of the following is derived
primarily from ectoderm?
a. dorsal mesentery
b. liver
c. nucleus pulposus
d. sweat glands
e. None of the above.
2. Which of the following is derived
primarily from mesoderm?
a. dorsal mesentery
b. hair
c. melanocytes (pigment cells)
d. parotid salivary gland
e. None of the above
3. Which of the following is derived
primarily from endoderm?
a. brain
b. liver
c. melanocytes (pigment cells)
d. vertebrae
e. None of the above
4. Which of the following Best describes
human tooth development
a. Teeth form by keratinization and
thickening of the stratum corneum
over dermal cavities.
b. Teeth form in dermal tissue as
intramembranous bone when
fibroblasts become osteocytes.
c. Teeth form by epidermal ectoderm
sinking into the dermis after neural
crest initiation.
d. Teeth form by cavitation of regions
of splanchnoneural ectoderm
initiated by dermatomal mesoderm..
5. Which of the following connective tissues
lacks collagen?
a. bone
b. cartilage
c. dense irregular connective tissue
d. dense regular connective tissue
e. None of the above (all have collagen)
1
2
3
4
5
6
7
8
9
10
FILL-IN-THE-BLANK/LABEL II.⎯For the following exercises write the appropriate word or
words in the available space. (10%)
1. Based on your understanding of the
human vascular system answer the
following questions. (5%)
2. From what type of vertebrate was the
integument section below taken? (1%)
.
-Blood in the external iliac artery next
moves to the…
.
-Blood in the external iliac vein next
moves to the…
Label the major components of the
integument section below. Be certain to
identify the major structures and layers.
(4%)
.
-Blood in the brachiocephalic artery next
moves to the (2 answers)…
&
the
-Blood in the right brachiocephalic vein
next moves to the…
.
DEFINITIONS.⎯For the following words or phrases define them as accurately and concisely as
possible. (20%, 4% each)
1. Apnea:
2. Cleft Palate:
3. Diphyodont:
4. Foramen:
5. Mesothelium:
Name
BIOLOGY 406 HUMAN AND COMPARATIVE ANATOMY, SPRING 2009
EXAMINATION #3 (PART 2)
Date
SHORT ANSWER.⎯Address each question in as concise and lucid a manner as possible. Do NOT
exceed the space provided.
1. Name and explain the middle ear bones in a human. Identify what these bones are
homologous to in a bird. In addition identify the function generally of each in each organism.
(Feel free, but do not feel obliged, to use a table and/or labeled sketches for your answer.) (12%)
2. Briefly explain how a human and a bird each ventilates its lungs during inhalation and
exhalation. How do they differ. (Feel free but do not feel obliged to use clearly labeled sketches for your answer.)
(12%)
3. Explain how the human skull differs from the generalized ancestral tetrapod skull pattern.
What bones do humans lack entirely, what bones are fused into compound bones, and what
bones are present but in very modified form? (Feel free, but do not feel obliged, to use labeled sketches
for part of your answer.) (16%)
4. Briefly explain how the human arterial system just superior to the heart develops from
the basic amniote pattern. Be certain to identify the major adult vessels and their specific
embryologic origins. (Feel free but do not feel obliged to use a table or clearly labeled sketches for your answer.)
(10%)