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 Chieg
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,Essentials Of Oral Histology And Embryology 6thedition Chieg
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Chapter 01: Development and Structure of Cells and Tissues Chiego: Essentials of Oral
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Histology and Embryology, 6th Edition
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MULTIPLE CHOICE x@




1. Mitochondria produce which chemical for intracellular energy?
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a. ADP
b. ATP
c. RNA
d. DNA
ANS:
x@ 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, productio
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n. DIF: Recall REF:
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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:
x@ x@ B

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:
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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 Chieg
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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 whe
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n activated by surface receptors on the plasma membrane.
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DIF: Recall REF: x @ x @ x @ p. 3 OBJ: 3
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4. Which cellular component facilitates protein synthesis?
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a. Ribosomes
b. Lysosomes
c. Mitochondria
d. Plasmalemma ANS: A x@ x@




Feedback
A Correct. Ribosomes synthesize protein.
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B Lysosomes facilitate the breakdown of intracellular and extracellular substances.
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C Mitochondria generate energy. x@ x@




D The plasmalemma provides a protective barrier and regulates the transport
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of x@ 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
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d. Endoplasmic reticulum ANS: B x@ x@ x@




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 no
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t. DIF: Recall REF:
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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 Chieg
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a. S phase
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b. G1 phase x@




c. G2 phase x@




d. Prophase ANS: B x@ x@




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 change
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s. DIF: Recall REF:
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7. Posttranslational modifications to proteins produced by the rough endoplasmic reticulu
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m arex@




accomplished by . x@




a. mitochondria
b. Golgi apparatus x@




c. messenger RNA x@




d. smooth endoplasmic reticulum ANS: B x@ x@ x@ x@




Feedback
A The Golgi apparatus is responsible for posttranslational alterations; mitochondri
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a are not.
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B Correct. The Golgi apparatus makes alterations to proteins produced by t
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he rough endoplasmic reticulum.
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C The Golgi apparatus is responsible for posttranslational alterations; mRNA
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is not.
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D The Golgi apparatus is responsible for posttranslational alterations; the smoo
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th endoplasmic reticulum is not.
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DIF: Recall REF: x @ x @ x @ p. 2 OBJ: 1
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8. The provides an ideal environment for the implantation and growth of the embryo.
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a. ovary
b. uterine tube x@




c. myometrium
d. endometrium ANS: D x@ x@




Feedback
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