Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J. Chiego

Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J.
Chiego




Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J.
Chiego

,Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J. Chiego


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

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 energy through 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 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.
Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J. Chiego

,Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J. Chiego

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.

DIF: Comprehension REF: p. 2 OBJ: 1

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.


Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J. Chiego

,Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J. Chiego

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 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
A The ovary is the female reproductive organ, in which the ova or eggs are
produced.
B The uterine tube conducts the egg from the ovary to the uterus.
C The myometrium is the smooth muscle that lines the uterus.
D Correct. The endometrium provides the ovum with the nourishment necessary
for implantation and growth.

DIF: Comprehension REF: pp. 6-9 OBJ: 3

9. Intercalated disks are present in which type of muscle?
a. Cardiac
b. Smooth

Test Bank for Essentials of Oral Histology and Embryology 5th Edition by Daniel J. Chiego