TESTBANK For Essentials of Oral Histology and Embryology, 5th Edition, 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.
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