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 Chie
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,Essentials Of Oral Histology And Embryology 6thedition Chie
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Chapter 01: Development and Structure of Cells and Tissues Chiego: Essentials of Or
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al Histology and Embryology, 6th Edition
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MULTIPLE CHOICE km




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




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, producti
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on. DIF: Recall REF:
km k m k m pp. 2-3 OBJ: 1
km km km




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:
km B
km




Feedback
A Bone tissue develops from mesodermal cells.
km km km km km



B Correct. Liver tissue is produced by endodermal cells.
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C Blood develops from mesodermal cells.
km km km km



D Muscle tissue develops from mesodermal cell
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s. DIF: Recall REF:
km k m k m p. 6 OBJ: 3
km km




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 Chie
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d. cAMP
ANS: D
km km




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 w
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hen activated by surface receptors on the plasma membrane.
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DIF: Recall REF: k m k mk m p. 3 OBJ: 3
km km




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




Feedback
A Correct. Ribosomes synthesize protein.
km km km



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


D The plasmalemma provides a protective barrier and regulates the transpor
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t of substances to and from the cell.
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5. Which organelle produces microtubules?
km km km



a. Nucleus
b. Centriole
c. Golgi apparatus
km



d. Endoplasmic reticulum ANS: B km km km




Feedback
A Centrioles generate microtubules; the nucleus does not.
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B Correct. Centrioles produce microtubules.
km km km



C Centrioles generate microtubules; the Golgi apparatus does not.
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D Centrioles generate microtubules; the endoplasmic reticulum does n
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ot. DIF:
km Recall REF: k m k m p. 3 km OBJ: 1 km




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 Chie
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a. S phase
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b. G1 phase km



c. G2 phase km


d. Prophase ANS: B km km




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 chang
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es. DIF:
km Recall REF: k m k m p. 4 km OBJ: 1 km




7. Posttranslational modifications to proteins produced by the rough endoplasmic reticul
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um are km



accomplished by . km


a. mitochondria
b. Golgi apparatus km


c. messenger RNA km


d. smooth endoplasmic reticulum ANS: B km km km km




Feedback
A The Golgi apparatus is responsible for posttranslational alterations; mitochond
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ria are not.
km km



B Correct. The Golgi apparatus makes alterations to proteins produced by
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mthe rough endoplasmic reticulum.
km km km



C The Golgi apparatus is responsible for posttranslational alterations; mRN
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A is not.
km km


D The Golgi apparatus is responsible for posttranslational alterations; the smo
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oth endoplasmic reticulum is not.
km km km km




DIF: Recall REF: k m k mk m p. 2 OBJ: 1
km km




8. The provides an ideal environment for the implantation and growth of the embryo.
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a. ovary
b. uterine tube km



c. myometrium
d. endometrium ANS: km km




D Feedback
km