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

,Chapter 01: Development and Structure of Cells and Tissues Chiego: Essentials of Oral Hi
2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s



stology and Embryology, 6th Edition
2s 2s 2s 2s




MULTIPLE CHOICE 2s




1. Mitochondria produce which chemical for intracellular energy?
2s 2s 2s 2s 2s 2s



a. ADP
b. ATP
c. RNA
d. DNA
ANS:
2s 2s B

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A Mitochondria generate energy through ATP, not ADP, production.
2s 2s 2s 2s 2s 2s 2s


B Correct. Mitochondria produce energy via ATP.
2s 2s 2s 2s 2s



C Mitochondria generate energy through ATP, not RNA, production.
2s 2s 2s 2s 2s 2s 2s



D Mitochondria generate energy through ATP, not DNA, production.
2s 2s 2s 2s 2s 2s 2s




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




2. Each tissue originates from mesoderm, EXCEPT one. Which is the EXCEPTION?
2s 2s 2s 2s 2s 2s 2s 2s 2s 2s



a. Bone
b. Liver
c. Blood
d. Muscle
ANS:
2s 2s B

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A Bone tissue develops from mesodermal cells.
2s 2s 2s 2s 2s



B Correct. Liver tissue is produced by endodermal cells.
2s 2s 2s 2s 2s 2s 2s



C Blood develops from mesodermal cells.
2s 2s 2s 2s


D Muscle tissue develops from mesodermal cells.
2s 2s 2s 2s 2s




2s DIF: Recall REF: p. 6 2 s 2 s 2s OBJ: 3 2s




3. Which chemical is called the second messenger?
2s 2s 2s 2s 2s 2s


a. aDNA
b. mRNA
c. dGMP

,d. cAMP
ANS: D
2s 2s




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A cAMP is the second messenger; aDNA is not.
2s 2s 2s 2s 2s 2s 2s



B cAMP is the second messenger; mRNA is not.
2s 2s 2s 2s 2s 2s 2s



C cAMP is the second messenger; dGMP is not.
2s 2s 2s 2s 2s 2s 2s



D Correct. cAMP transmits information to the intracellular organelles whe
2s 2s 2s 2s 2s 2s 2s 2s



n activated by surface receptors on the plasma membrane.
2s 2s 2s 2s 2s 2s 2s 2s




DIF: Recall REF: 2 s 2 s2 s p. 3 2s OBJ: 3 2s




4. Which cellular component facilitates protein synthesis?
2s 2s 2s 2s 2s



a. Ribosomes
b. Lysosomes
c. Mitochondria
d. Plasmalemma ANS: A 2s 2s




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A Correct. Ribosomes synthesize protein.
2s 2s 2s



B Lysosomes facilitate the breakdown of intracellular and extracellular substances.
2s 2s 2s 2s 2s 2s 2s 2s



C Mitochondria generate energy. 2s 2s


D The plasmalemma provides a protective barrier and regulates the transport o
2s 2s 2s 2s 2s 2s 2s 2s 2s 2s



f substances to and from the cell.
2s 2s 2s 2s 2s 2s




5. Which organelle produces microtubules?
2s 2s 2s



a. Nucleus
b. Centriole
c. Golgi apparatus
2s



d. Endoplasmic reticulum ANS: B 2s 2s 2s




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A Centrioles generate microtubules; the nucleus does not.
2s 2s 2s 2s 2s 2s


B Correct. Centrioles produce microtubules.
2s 2s 2s



C Centrioles generate microtubules; the Golgi apparatus does not.
2s 2s 2s 2s 2s 2s 2s


D Centrioles generate microtubules; the endoplasmic reticulum does not.
2s 2s 2s 2s 2s 2s 2s




2s DIF: Recall REF: p. 3 2 s 2 s 2s OBJ: 1 2s




6. Which phase of the cell cycle is characterized as the initial resting stage?
2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s

, a. S phase
2s



b. G1 phase 2s



c. G2 phase 2s


d. Prophase ANS: B 2s 2s




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A The S phase is characterized as the stage in which DNA synthesis is complete.
2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s



B Correct. The G1 phase is the initial resting stage.
2s 2s 2s 2s 2s 2s 2s 2s



C The G2 phase is characterized by post-DNA duplication.
2s 2s 2s 2s 2s 2s 2s


D Prophase is characterized by four specific structural changes.
2s 2s 2s 2s 2s 2s 2s




DIF: Recall REF: p. 4
2s 2 s 2 s 2s OBJ: 1 2s




7. Posttranslational modifications to proteins produced by the rough endoplasmic reticulu 2s 2s 2s 2s 2s 2s 2s 2s 2s


m are 2s



accomplished by . 2s


a. mitochondria
b. Golgi apparatus 2s


c. messenger RNA 2s


d. smooth endoplasmic reticulum ANS: B 2s 2s 2s 2s




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A The Golgi apparatus is responsible for posttranslational alterations; mitochondria
2s 2s 2s 2s 2s 2s 2s 2s



are not.
2s 2s



B Correct. The Golgi apparatus makes alterations to proteins produced by th
2s 2s 2s 2s 2s 2s 2s 2s 2s 2s


e rough endoplasmic reticulum.
2s 2s 2s



C The Golgi apparatus is responsible for posttranslational alterations; mRNA i
2s 2s 2s 2s 2s 2s 2s 2s 2s


s not.
2s


D The Golgi apparatus is responsible for posttranslational alterations; the smoot
2s 2s 2s 2s 2s 2s 2s 2s 2s



h endoplasmic reticulum is not.
2s 2s 2s 2s




DIF: Recall REF: 2 s 2 s2 s p. 2 2s OBJ: 1 2s




8. The provides an ideal environment for the implantation and growth of the embryo.
2s 2s 2s 2s 2s 2s 2s 2s 2s 2s 2s



a. ovary
b. uterine tube 2s



c. myometrium
d. endometrium ANS: D 2s 2s




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2s