Test Bank - Essentials of Oral Histology and Embryology ///A Clinical Approach|2026 latest update

Oral Histology and Embryology 5th edition Chiego 1


ESSENTIALS OF ORAL HISTOLOGY AND EMBRYOLOGY
5THEDITION CHIEGO TEST BANK A+




Mbuthia
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M
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, Oral Histology and Embryology 5th edition Chiego 2

Chapter 01: Development and Structure of Cells and Tissues Chiego: Essentials of Oral
Histology and Embryology, 5th Edition


MULTIPLE CHOICE

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




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ANS: B

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

DIF:
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Mitochondria generate energy through ATP, not DNA, production.

Recall REF: pp. 2-3 OBJ: 1

2.
a.
b.
Bone
Liver
M
Each tissue originates from mesoderm, EXCEPT one. Which is the EXCEPTION?


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 cells.

DIF: Recall REF: p. 6 OBJ: 3

3. Which chemical is called the second messenger?
a. aDNA
b. mRNA
c. dGMP




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, Oral Histology and Embryology 5th edition Chiego 3

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




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4. Which cellular component facilitates protein synthesis?
a. Ribosomes
b.
c.
d.
Lysosomes
Mitochondria
Plasmalemma ANS: A
M
A
B
Feedback
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Correct. Ribosomes synthesize protein.
Lysosomes facilitate the breakdown of intracellular and extracellular substances.
C
D
M
Mitochondria generate energy.
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?




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, Oral Histology and Embryology 5th edition Chiego 4

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.




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DIF: Recall REF: p. 4 OBJ: 1

7. Posttranslational modifications to proteins produced by the rough endoplasmic reticulum
are
accomplished by
a. mitochondria
.
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b.
c.
d.
Golgi apparatus
messenger RNA
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smooth endoplasmic reticulum ANS: B


A
Feedback M
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

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