Test Bank For Essentials of Oral Histology and Embryology: A Clinical Approach 6th Edition by Daniel J. Chiego| All Chapters, LATEST UPDATE

Test Bank

Essentials Of Oral Histology And Embryology:
A Clinical Approach
By Daniel J. Chiego

6th Edition

,Chapter 01: Development And Structure Of Cells And Tissues Chiego: Essentials Of
Oral His Tology And Embryology, 6th Edition


MULTIPLE CHOICE

1. Mitochondria produce which chemical for intracellular energy?
a. ADP
b. ATP
c. RNA
d. DNA
ANS: B

Feedback
A Mitochondria generate energy through ATP, not ADP, production.
B Correct. Mitochondria produce energy via ATP.
C Mitochondria generate energy through ATP, not RNA, production.
D Mitochondria generate energythrough ATP, not DNA,

production. DIF: Recall REF: pp. 2-3 OBJ: 1

2. Each tissue originates from mesoderm, EXCEPT one. Which is the EXCEPTION?
a. Bone
b. Liver
c. Blood
d. Muscle
ANS: B

Feedback
A Bone tissue develops from mesodermal cells.
B Correct. Liver tissue is produced by endodermal cells.
C Blood develops from mesodermal cells.
D Muscle tissue develops from mesodermal
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cells. DIF: Recall REF: p. 6 OBJ:

3

3. Which chemical is called the second messenger?
a. Adna
b. Mrna
c. Dgmp

,d. Camp
ANS: D

Feedback
A Camp is the second messenger; adna is not.
B Camp is the second messenger; mrna is not.
C Camp is the second messenger; dgmp is not.
D Correct. Camp transmits information to the intracellular organelles
when activated by surface receptors on the plasma membrane.

DIF: Recall REF: p. 3 OBJ: 3

4. Which cellular component facilitates protein synthesis?
a. Ribosomes
b. Lysosomes
c. Mitochondria
d. Plasmalemma ANS: A

Feedback
A Correct. Ribosomes synthesize protein.
B Lysosomes facilitate the breakdown of intracellular and extracellular substances.
C Mitochondria generate energy.
D The plasmalemma provides a protective barrier and regulates the
transport of substances to and from the cell.

5. Which organelle produces microtubules?
a. Nucleus
b. Centriole
c. Golgi apparatus
d. Endoplasmic reticulum ANS: B

Feedback
A Centrioles generate microtubules; the nucleus does not.
B Correct. Centrioles produce microtubules.
C Centrioles generate microtubules; the Golgi apparatus does not.
D Centrioles generate microtubules; the endoplasmic reticulum

does not. DIF: Recall REF: p. 3 OBJ: 1

6. Which phase of the cell cycle is characterized as the initial resting stage?

, a. S phase
b. G1 phase
c. G2 phase
d. Prophase ANS: B

Feedback
A The S phase is characterized as the stage in which DNA synthesis is complete.
B Correct. The G1 phase is the initial resting stage.
C The G2 phase is characterized by post-DNA duplication.
D Prophase is characterized by four specific structural

changes. DIF: Recall REF: p. 4 OBJ: 1

7. Posttranslational modifications to proteins produced by the rough endoplasmic
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reticulum are
Accomplished by .
a. Mitochondria
b. Golgi apparatus
c. Messenger RNA
d. Smooth endoplasmic reticulum ANS: B

Feedback
A The Golgi apparatus is responsible for posttranslational alterations;
mitochondria are not.
B Correct. The Golgi apparatus makes alterations to proteins produced
by the rough endoplasmic reticulum.
C The Golgi apparatus is responsible for posttranslational alterations;
mrna is not.
D The Golgi apparatus is responsible for posttranslational alterations; the
smooth endoplasmic reticulum is not.

DIF: Recall REF: p. 2 OBJ: 1

8. The provides an ideal environment for the implantation and growth of the embryo.
a. Ovary
b. Uterine tube
c. Myometrium
d. Endometrium ANS:

D Feedback