Test Bank For Essentials Of Oral Histology and Embryology: A Clinical Approach 6th Edition Author:Daniel J. Chiego Jr |9780323497251| All Chapters| LATEST VERSION

Essentials Of Oral Histology And Embryology 6thedition Chiego
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,Essentials Of Oral Histology And Embryology 6thedition Chiego
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Chapter 01: Development and Structure of Cells and Tissues Chiego: Essentials of Oral His
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tology and Embryology, 6th Edition
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MULTIPLE CHOICE 6i




1. Mitochondria produce which chemical for intracellular energy?
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a. ADP
b. ATP
c. RNA
d. DNA
ANS: B
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Feedback
A Mitochondria generate energy through ATP, not ADP, production.
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B Correct. Mitochondria produce energy via ATP.
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C Mitochondria generate energy through ATP, not RNA, production.
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D Mitochondria generate energy through ATP, not DNA, production.
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DIF: Recall REF: pp. 2-3 OBJ: 1
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2. Each tissue originates from mesoderm, EXCEPT one. Which is the EXCEPTION?
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a. Bone
b. Liver
c. Blood
d. Muscle
ANS: B
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Feedback
A Bone tissue develops from mesodermal cells.
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B Correct. Liver tissue is produced by endodermal cells.
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C Blood develops from mesodermal cells.
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D Muscle tissue develops from mesodermal cells.
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DIF: Recall REF: p. 6 6 i 6 i 6i OBJ: 3 6i




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

,Essentials Of Oral Histology And Embryology 6thedition Chiego
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d. cAMP
ANS: D
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Feedback
A cAMP is the second messenger; aDNA is not.
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B cAMP is the second messenger; mRNA is not.
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C cAMP is the second messenger; dGMP is not.
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D Correct. cAMP transmits information to the intracellular organelles when
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activated by surface receptors on the plasma membrane.
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DIF: Recall REF: 6 i 6 i6 i p. 3 6i OBJ: 3 6i




4. Which cellular component facilitates protein synthesis?
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a. Ribosomes
b. Lysosomes
c. Mitochondria
d. Plasmalemma ANS: A 6i 6i




Feedback
A Correct. Ribosomes synthesize protein. 6i 6i 6i



B Lysosomes facilitate the breakdown of intracellular and extracellular substances.
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C Mitochondria generate energy. 6i 6i


D The plasmalemma provides a protective barrier and regulates the transport of
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substances to and from the cell.
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5. Which organelle produces microtubules?
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a. Nucleus
b. Centriole
c. Golgi apparatus 6i



d. Endoplasmic reticulum ANS: B 6i 6i 6i




Feedback
A Centrioles generate microtubules; the nucleus does not.
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B Correct. Centrioles produce microtubules.
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C Centrioles generate microtubules; the Golgi apparatus does not.
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D Centrioles generate microtubules; the endoplasmic reticulum does not.
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DIF: Recall REF: p. 3 6 i 6 i 6i OBJ: 1 6i




6. Which phase of the cell cycle is characterized as the initial resting stage?
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, Essentials Of Oral Histology And Embryology 6thedition Chiego
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a. S phase
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b. G1 phase 6i



c. G2 phase 6i


d. Prophase ANS: B 6i 6i




Feedback
A The S phase is characterized as the stage in which DNA synthesis is complete.
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B Correct. The G1 phase is the initial resting stage.
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C The G2 phase is characterized by post-DNA duplication.
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D Prophase is characterized by four specific structural changes.
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DIF: Recall REF: p. 4 6 i 6 i 6i OBJ: 1 6i




7. Posttranslational modifications to proteins produced by the rough endoplasmic reticulum 6i 6i 6i 6i 6i 6i 6i 6i 6i 6i


are
accomplished by . 6i


a. mitochondria
b. Golgi apparatus 6i


c. messenger RNA 6i


d. smooth endoplasmic reticulum ANS: B 6i 6i 6i 6i




Feedback
A The Golgi apparatus is responsible for posttranslational alterations; mitochondria
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are not.
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B Correct. The Golgi apparatus makes alterations to proteins produced by the
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rough endoplasmic reticulum.
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C The Golgi apparatus is responsible for posttranslational alterations; mRNA is
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not.
D The Golgi apparatus is responsible for posttranslational alterations; the smooth
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endoplasmic reticulum is not. 6i 6i 6i




DIF: Recall REF: 6 i 6 i6 i p. 2 6i OBJ: 1 6i




8. The provides an ideal environment for the implantation and growth of the embryo. 6i 6i 6i 6i 6i 6i 6i 6i 6i 6i 6i



a. ovary
b. uterine tube 6i



c. myometrium
d. endometrium ANS: D 6i 6i 6




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