ESSENTIALS OF ORAL HISTOLOGY AND EMBRYOLOGY
5 5 5 5 5 5
5THEDITION CHIEGO TEST BANK A+
5 5 5 5
Test5Bank Page51
, Oral5Histology5and5Embryology55th5edition5Chiego 2
Chapter501:5Development5and5Structure5of5Cells5and5Tissues5Chiego:5Essentials5of5Oral5
Histology5and5Embryology,5 5th5Edition
MULTIPLE5CHOICE
1. Mitochondria5produce5which5chemical5for5intracellular5energy?
a. ADP
b. ATP
c. RNA
d. DNA5
ANS:5B
Feedback
A
Mitochondria5generate5energy5through5ATP,5not5ADP,5production.5
B Correct.5Mitochondria5produce5energy5via5ATP.
C
Mitochondria5generate5energy5through5ATP,5not5RNA,5production.5
D Mitochondria5generate5energy5through5ATP,5not5DNA,5production.
DIF: Recall5 REF:5pp.52-35OBJ:51
2. Each5tissue5originates5from5mesoderm,5EXCEPT5one.5Which5is5the5EXCEPTION?
a. Bone
b. Liver
c. Blood
d. Muscle5
ANS:5B
Feedback
A Bone5tissue5develops5from5mesodermal5cells.
B Correct.5Liver5tissue5is5produced5by5endodermal5cells.5
C Blood5develops5from5mesodermal5cells.
D
Muscle5tissue5develops5from5mesodermal5cells.5
DIF: Recall5 REF:555p.56 OBJ:53
3. Which5chemical5is5called5the5second5messenger?
a. aDNA
b. mRNA
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, Oral5Histology5and5Embryology55th5edition5Chiego 3
c. dGMP
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, Oral5Histology5and5Embryology55th5edition5Chiego 3
d. cAMP5
ANS:5D
Feedback
A55555555cAMP5is5the5second5messenger;5aDNA5is5not.5B5
555555cAMP5is5the5second5messenger;5mRNA5is5not.5C5 c
AMP5is5the5second5messenger;5dGMP5is5not.
D5Correct.5cAMP5transmits5information5to5the5intracellular5organelles5when5activ
ated5by5surface5receptors5on5the5plasma5 membrane.
DIF:5555 Recall5 REF:555p.535555 OBJ:53
4. Which5cellular5component5facilitates5protein5synthesis?
a. Ribosomes
b. Lysosomes
c. Mitochondria
d. Plasmalemma5ANS:5A
Feedback
A Correct.5Ribosomes5synthesize5protein.
B Lysosomes5facilitate5the5breakdown5of5intracellular5and5extracellular5substances.5
C Mitochondria5generate5energy.
D
The5plasmalemma5provides5a5protective5barrier5and5regulates5the5transport5of5s
ubstances5to5and5from5the5cell.
5. Which5organelle5produces5microtubules?
a. Nucleus
b. Centriole
c. Golgi5apparatus
d. Endoplasmic5reticulum5ANS:5B
Feedback
A
Centrioles5generate5microtubules;5the5nucleus5does5not.5
B Correct.5Centrioles5produce5microtubules.
C Centrioles5generate5microtubules;5the5Golgi5apparatus5does5not.
D Centrioles5generate5microtubules;5the5endoplasmic5reticulum5does5not.5
DIF: Recall5 REF:555p.53 OBJ:51
6. Which5phase5of5the5cell5cycle5is5characterized5as5the5initial5resting5stage?
Test5Bank Page53