Question 1

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 endpiecesF) A) and B)
G) B) and E) E

Question 2

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.E) B) and C)
F) None of the above

Question 3

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.E) A) and D)
F) C) and D)

Question 4

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.E) A) and B)
F) A) and C)

Question 5

Intercalated ducts modify the salivary fluid that passes through them.

Accepted Answer

A) True 
 B)False

Question 6

Mucous secretions contain 99% water.

Accepted Answer

A) True 
 B)False

Question 7

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.E) B) and C)
F) A) and D)

Question 8

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 ductsF) D) and E)
G) A) and C)

Question 9

The acinus with the largest lumen is the serous type.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A)   endoplasmic reticulum
B)   Golgi apparatus
C)   cytoplasm
D)   mitochondriaE) C) and D)
F) None of the above

Question 11

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.E) B) and C)
F) None of the above D

Question 12

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 apparatusF) All of the above
G) A) and E)

Question 13

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.E) All of the above
F) None of the above

Question 14

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.E) None of the above
F) B) and D)

Question 15

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.E) A) and B)
F) None of the above

Question 16

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 interlobularF) None of the above
G) A) and B)

Question 17

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.E) None of the above
F) A) and D) A

Question 18

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.F) All of the above
G) B) and D)

Question 19

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.E) A) and B)
F) A) and C)

Question 20

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.E) A) and D)
F) B) and C)

Exam 25: Histology of the Salivary Glands

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

Correct AnswerverifiedE

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Intercalated ducts modify the salivary fluid that passes through them.

Correct AnswerverifiedShow Answer

Mucous secretions contain 99% water.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The acinus with the largest lumen is the serous type.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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D

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A

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