Question 1

Surrounding the acini are myoepithelial cells that inhibit salivary secretion because these cells have the ability to contract like a muscle.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. D

Question 2

Secretory function can be modified by each of the following EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Chewing 
B)  Taste 
C)  Smell 
D)  Dehydration 
E)  Tubelike acinal endpieces 
A)  Chewing 
B)  Taste 
C)  Smell 
D)  Dehydration 
E)  Tubelike acinal endpieces E

Question 3

A duct that has infolds of the basal cell membrane is a striated duct.Intercalated ducts,also striated,are very small and directly drain the acini.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. A

Question 4

Each of the following accurately describes intercalated ducts EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Intercalated ducts are large and interlobulated. 
B)  They drain directly into the acini. 
C)  The cells of intercalated ducts are slightly taller than their nuclei. 
D)  Intercalated ducts deliver secretions unchanged to the next set of ducts. 
A)  Intercalated ducts are large and interlobulated. 
B)  They drain directly into the acini. 
C)  The cells of intercalated ducts are slightly taller than their nuclei. 
D)  Intercalated ducts deliver secretions unchanged to the next set of ducts.

Question 5

Salivary glands arise from a cord of epithelium that forms a tube.Their endpiece is pyramidal in shape.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Question 6

Each of the following is true of the connective tissue capsule EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  A salivary gland is surrounded by a connective tissue capsule. 
B)  The connective tissue capsule sends partitions into the gland. 
C)  The connective tissue capsule has varying numbers of lobules. 
D)  The connective tissue capsule is a source of nerves and blood vessels. 
A)  A salivary gland is surrounded by a connective tissue capsule. 
B)  The connective tissue capsule sends partitions into the gland. 
C)  The connective tissue capsule has varying numbers of lobules. 
D)  The connective tissue capsule is a source of nerves and blood vessels.

Question 7

Mucous secretions contain 99% water.

Accepted Answer

A) True 
 B)False

Question 8

Which ducts have mitochondria that appear striped when stained (Select all that apply. )?

Accepted Answer

A)  All intralobular 
B)  Intralobular intercalated 
C)  Intralobular secretory 
D)  All interlobular 
E)  Some interlobular 
A)  All intralobular 
B)  Intralobular intercalated 
C)  Intralobular secretory 
D)  All interlobular 
E)  Some interlobular

Question 9

Each of the following is true of salivary duct systems EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Depending on their size,salivary glands have varying numbers of lobules. 
B)  Intralobulated refers to ducts that are located within the tubule. 
C)  Interlobulated refers to ducts within connective tissue between lobules of the gland. 
D)  Striation only occurs in interlobular ducts. 
A)  Depending on their size,salivary glands have varying numbers of lobules. 
B)  Intralobulated refers to ducts that are located within the tubule. 
C)  Interlobulated refers to ducts within connective tissue between lobules of the gland. 
D)  Striation only occurs in interlobular ducts.

Question 10

The demilune surrounds the salivary gland and aids in the secretion of saliva.This structure has a muscular component and long cellular projections.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Question 11

Merocrine secretion is the process utilized by salivary acini to move saliva into the duct system.While mucous and serous acini utilize only the merocrine process,seromucous acini also employ a process involving immunoglobulins and lysozymes.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Question 12

Serous acini have ions similar to mucous acini but do not have mucins.A mucous secretion is thinner and more watery.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Question 13

Intercalated ducts modify the salivary fluid that passes through them.

Accepted Answer

A) True 
 B)False

Question 14

The acinus with the largest lumen is the serous type.

Accepted Answer

A) True 
 B)False

Question 15

Which structure is the MOST likely to break down starches into long-chain sugars?

Accepted Answer

A)  Mucous acini 
B)  Serous acini 
C)  Seromucous acini 
D)  Connective tissue 
E)  Salivary ducts 
A)  Mucous acini 
B)  Serous acini 
C)  Seromucous acini 
D)  Connective tissue 
E)  Salivary ducts

Question 16

Intercalated ducts conserve water and electrolytes because ions such as sodium and potassium are reabsorbed by capillaries and lymphatic vessels surrounding striated interlobular ducts.

Accepted Answer

A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct,but the reason is NOT correct. 
D)  The statement is NOT correct,but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct. 
A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct,but the reason is NOT correct. 
D)  The statement is NOT correct,but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct.

Question 17

The primary function of excretory ducts is to carry saliva.However,the striated interlobular ducts also modify salivary content as the fluid passes through them.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Question 18

Each of the following is carried in the saliva EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Lysosomes 
B)  Sodium 
C)  Potassium 
D)  Bicarbonate 
E)  Golgi apparatus 
A)  Lysosomes 
B)  Sodium 
C)  Potassium 
D)  Bicarbonate 
E)  Golgi apparatus

Question 19

During formation,the "future saliva" is packaged by a membrane within the

Accepted Answer

A)  endoplasmic reticulum 
B)  Golgi apparatus 
C)  cytoplasm 
D)  mitochondria 
A)  endoplasmic reticulum 
B)  Golgi apparatus 
C)  cytoplasm 
D)  mitochondria

Question 20

Secretory control comes from the central nervous system.Control of secretion is tied to chewing,taste,and smell.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Exam 25: Histology of the Salivary Glands

Surrounding the acini are myoepithelial cells that inhibit salivary secretion because these cells have the ability to contract like a muscle.

Secretory function can be modified by each of the following EXCEPT one.Which one is the EXCEPTION?

A duct that has infolds of the basal cell membrane is a striated duct.Intercalated ducts,also striated,are very small and directly drain the acini.

Each of the following accurately describes intercalated ducts EXCEPT one.Which one is the EXCEPTION?

Salivary glands arise from a cord of epithelium that forms a tube.Their endpiece is pyramidal in shape.

Each of the following is true of the connective tissue capsule EXCEPT one.Which one is the EXCEPTION?

Mucous secretions contain 99% water.

Which ducts have mitochondria that appear striped when stained (Select all that apply. )?

Each of the following is true of salivary duct systems EXCEPT one.Which one is the EXCEPTION?

The demilune surrounds the salivary gland and aids in the secretion of saliva.This structure has a muscular component and long cellular projections.

Merocrine secretion is the process utilized by salivary acini to move saliva into the duct system.While mucous and serous acini utilize only the merocrine process,seromucous acini also employ a process involving immunoglobulins and lysozymes.

Serous acini have ions similar to mucous acini but do not have mucins.A mucous secretion is thinner and more watery.

Intercalated ducts modify the salivary fluid that passes through them.

The acinus with the largest lumen is the serous type.

Which structure is the MOST likely to break down starches into long-chain sugars?

Intercalated ducts conserve water and electrolytes because ions such as sodium and potassium are reabsorbed by capillaries and lymphatic vessels surrounding striated interlobular ducts.

The primary function of excretory ducts is to carry saliva.However,the striated interlobular ducts also modify salivary content as the fluid passes through them.

Each of the following is carried in the saliva EXCEPT one.Which one is the EXCEPTION?

During formation,the "future saliva" is packaged by a membrane within the

Secretory control comes from the central nervous system.Control of secretion is tied to chewing,taste,and smell.

Oral Cavity

The Tooth: Functions and Terms

Fundamental and Preventive Curvatures

Dentition

Development, form, and Eruption

Occlusion

Dental Anomalies

Supporting Structures

Clinical Considerations

Tooth Identification

Root Morphology

Incisors

Canines

Premolars

Molars

Deciduous Dentition

Basic Tissues

Development of Orofacial Complex

Dental Lamina and Enamel Organ

Enamel, Dentin, and Pulp

Root Formation and Attachment Apparatus

Eruption and Shedding of Teeth

Oral Mucous Membrane

The Tongue

Osteology of the Skull

Nose, Nasal Cavity, and Paranasal Sinuses

Muscles of Mastication, Hyoid Muscles, and Sternocleidomastoid and Trapezius Muscles

Tempo-romandibular Joint

Muscles of Facial Expression

Soft Palate and Pharynx

Arterial Supply and Venous Drainage

Salivary Glands

Nervous System

Lymphatics and Spread of Dental Infection

Anatomical Considerations of Local Anesthesia

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