TEST BANK FOR ESSENTIALS OF ORAL HISTOLOGY AND EMBRYOLOGY 5TH EDITION CHIEGO LATEST A+ Table of Contents 1. Development and Structure of Cells and Tissues 2. Structure and Function of Cells, Tissues, and Organs 3. Development of the Oral Facial Region 4.

Oral9Histology9and9Embryology95th9edition9Chiego 1


ESSENTIALS9OF9ORAL9HISTOLOGY9AND9EMBRYOLOGY95THEDITIO
N9CHIEGO9TEST9BANK9A+




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Chapter901:9Development9and9Structure9of9Cells9and9Tissues9Chiego:9Essentials9of9Oral9
Histology9and9Embryology,95th9Edition


MULTIPLE9CHOICE

1. Mitochondria9produce9which9chemical9for9intracellular9energy?
a. ADP
b. ATP
c. RNA
d. DNA
9ANS:9B




Feedback
A Mitochondria9generate9energy9through9ATP,9not9ADP,9production.
B Correct.9Mitochondria9produce9energy9via9ATP.
C Mitochondria9generate9energy9through9ATP,9not9RNA,9production.
D Mitochondria9generate9energy9through9ATP,9not9DNA,9production.

9DIF: Recall9 REF:9 pp.92-39OBJ:91

2. Each9tissue9originates9from9mesoderm,9EXCEPT9one.9Which9is9the9EXCEPTION?
a. Bone
b. Liver
c. Blood
d. Muscle
9ANS:9B




Feedback
A Bone9tissue9develops9from9mesodermal9cells.
B Correct.9Liver9tissue9is9produced9by9endodermal9cells.
C Blood9develops9from9mesodermal9cells.
D Muscle9tissue9develops9from9mesodermal9cells.

9DIF: Recall9 REF:9 p.96 OBJ:93

3. Which9chemical9is9called9the9second9messenger?
a. aDNA
b. mRNA
c. dGMP




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d. cAMP
9ANS:9D




Feedback
A cAMP9is9 the9 second9messenger;9 aDNA9 is9 not.
B cAMP9 is9 the9 second9messenger;9 mRNA9 is9 not.
C cAMP9is9the9second9messenger;9dGMP9is9not.
D9 Correct.9 cAMP9 transmits9 information9 to9 the9 intracellular9 organelles9 when9ac
tivated9by9surface9receptors9on9the9plasma9membrane.

DIF: Recall9 REF:9 9 p.93 OBJ:93

4. Which9cellular9component9facilitates9protein9synthesis?
a. Ribosomes
b. Lysosomes
c. Mitochondria
d. Plasmalemma9ANS:9A

Feedback
A Correct.9Ribosomes9synthesize9protein.
B Lysosomes9facilitate9the9breakdown9of9intracellular9and9extracellular9substances.
C Mitochondria9generate9energy.
D The9plasmalemma9provides9a9protective9barrier9and9regulates9the9transport9of
9substances9to9and9from9the9cell.




5. Which9organelle9produces9microtubules?
a. Nucleus
b. Centriole
c. Golgi9apparatus
d. Endoplasmic9reticulum9ANS:9B

Feedback
A Centrioles9generate9microtubules;9the9nucleus9does9not.
B Correct.9Centrioles9produce9microtubules.
C Centrioles9generate9microtubules;9the9Golgi9apparatus9does9not.
D Centrioles9generate9microtubules;9the9endoplasmic9reticulum9does9not.

9DIF: Recall9 REF:9 p.93 OBJ:91

6. Which9phase9of9the9cell9cycle9is9characterized9as9the9initial9resting9stage?




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a. S9phase
b. G19phase
c. G29phase
d. Prophase9ANS:9B

Feedback
A The9S9phase9is9characterized9as9the9stage9in9which9DNA9synthesis9is9complete.
B Correct.9The9G19phase9is9the9initial9resting9stage.
C The9G29phase9is9characterized9by9post-DNA9duplication.
D Prophase9is9characterized9by9four9specific9structural9changes.

9DIF: Recall9 REF:9 p.94 OBJ:91

7. Posttranslational9modifications9to9proteins9produced9by9the9rough9endoplasmic9reticulum
9are

accomplished9by .
a. mitochondria
b. Golgi9apparatus
c. messenger9RNA
d. smooth9endoplasmic9reticulum9ANS:9B

Feedback
A The9Golgi9apparatus9is9responsible9for9posttranslational9alterations;9mitochondria
9are9not.

B Correct.9The9Golgi9apparatus9makes9alterations9to9proteins9produced9by9the
9rough9endoplasmic9reticulum.

C The9Golgi9apparatus9is9responsible9for9posttranslational9alterations;9mRNA9is
9not.

D The9Golgi9apparatus9is9responsible9for9posttranslational9alterations;9the9smooth
9endoplasmic9reticulum9is9not.




DIF: Recall9 REF:9 9 p.92 OBJ:91

8. The provides9an9ideal9environment9for9the9implantation9and9growth9of9the9embryo.
a. ovary
b. uterine9tube
c. myometrium
d. endometrium9ANS:9D

9 Feedback




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