Question 1

What type of gland secretes substances directly into the bloodstream?

Accepted Answer

Endocrine glands

Answer

Holocrine glands

Answer

Exocrine glands

Answer

Apocrine glands

Question 2

Which type of gland loses a portion of its cell body during secretion?

Accepted Answer

Apocrine glands

Answer

Endocrine glands

Answer

Holocrine glands

Answer

Merocrine glands

Question 3

What is the primary function of serous acini?

Accepted Answer

To secrete a watery, protein-rich product

Answer

To absorb nutrients

Answer

To store lipids

Answer

To secrete viscous mucus

Question 4

Which of the following is a characteristic of mucous acini?

Accepted Answer

They have larger lumens than serous acini

Answer

They are always mixed with serous acini

Answer

They have smaller lumens than serous acini

Answer

They produce watery secretions

Question 5

What is the main function of myoepithelial cells in salivary glands?

Accepted Answer

To provide support and facilitate secretion

Answer

To maintain membrane integrity

Answer

To absorb nutrients

Answer

To produce mucus

Question 6

What is the role of the striated ducts in saliva production?

Accepted Answer

Modification of primary saliva

Answer

Storage of enzymes

Answer

Filtration of blood

Answer

Secretion of lipids

Question 7

Which component is primarily secreted by parotid glands?

Accepted Answer

Watery saliva rich in enzymes

Answer

Saliva with high electrolytes

Answer

Viscous saliva rich in mucin

Answer

Thick saliva with lipids

Question 8

What type of secretory process do merocrine glands use?

Accepted Answer

Exocytosis

Answer

Phagocytosis

Answer

Apocrine secretion

Answer

Holocrine secretion

Question 9

Which ion concentration increases in saliva at higher flow rates?

Accepted Answer

Sodium (Na+)

Answer

Chloride (Cl-)

Answer

Calcium (Ca+)

Answer

Potassium (K+)

Question 10

What is the main property of saliva produced by submandibular glands?

Accepted Answer

Highly glycosylated substances such as mucin

Answer

Low protein content

Answer

High lipid content

Answer

Water-rich saliva

Question 11

What is the main function of exocrine glands?

Accepted Answer

Secrete products through ducts

Answer

Filter blood

Answer

Store bile

Answer

Produce hormones directly into the bloodstream

Question 12

Which type of gland disintegrates its entire cell to secrete substances?

Accepted Answer

Holocrine glands

Answer

Merocrine glands

Answer

Endocrine glands

Answer

Apocrine glands

Question 13

Which type of acini produces a more viscous secretion?

Accepted Answer

Mucous acini

Answer

Merocrine acini

Answer

Serous acini

Answer

Mixed acini

Question 14

What is the role of myoepithelial cells?

Accepted Answer

Facilitate secretion by contracting

Answer

Transport electrolytes

Answer

Store secretory products

Answer

Modify secretions

Question 15

Which duct type primarily modifies primary saliva?

Accepted Answer

Striated ducts

Answer

Secretory ducts

Answer

Intercalated ducts

Answer

Excretory ducts

Question 16

What is the main component secreted by serous acini?

Accepted Answer

Proteins

Answer

Lipids

Answer

Nucleic acids

Answer

Carbohydrates

Question 17

Which salivary gland is primarily responsible for producing watery saliva rich in enzymes?

Accepted Answer

Parotid gland

Answer

Submandibular gland

Answer

Sublingual gland

Answer

Minor salivary glands

Question 18

What is the main function of saliva?

Accepted Answer

Lubrication and protection of oral tissues

Answer

Storage of food

Answer

Absorption of nutrients

Answer

Production of hormones

Question 19

What substance do mucous acini primarily secrete?

Accepted Answer

Mucin

Answer

Amylase

Answer

Water

Answer

Lipids

Question 20

Which of the following is NOT a type of gland classification mentioned?

Accepted Answer

Fibrous glands

Answer

Apocrine glands

Answer

Merocrine glands

Answer

Holocrine glands

Question 21

What are endocrine glands characterized by?

Accepted Answer

They secrete their products into the bloodstream without a duct system.

Answer

They have a duct system for secretion.

Answer

They are only found in the digestive system.

Answer

They secrete primarily mucous products.

Question 22

What type of gland is a sweat gland classified as?

Accepted Answer

Apocrine gland

Answer

Holocrine gland

Answer

Endocrine gland

Answer

Merocrine gland

Question 23

What is the primary function of serous glands?

Accepted Answer

Secrete a watery, often protein-rich product.

Answer

Disintegrate during secretion

Answer

Secrete mucous-rich products

Answer

Store lipids

Question 24

What is the role of myoepithelial cells in glands?

Accepted Answer

They help with the contraction and secretion of saliva.

Answer

They form the duct system.

Answer

They produce mucous.

Answer

They store secretory granules.

Question 25

Which duct is the first pathway for primary saliva after it is produced?

Accepted Answer

Intercalated duct

Answer

Striated duct

Answer

Excretory duct

Answer

Secretory duct

Question 26

What is a unique characteristic of mucous acini?

Accepted Answer

They have a larger lumen than serous acini.

Answer

They have small, concentrated nuclei.

Answer

Their cytoplasm appears dense.

Answer

They are primarily protein-secreting cells.

Question 27

What regulates the secretion of saliva?

Accepted Answer

The autonomic nervous system (ANS)

Answer

Blood pressure

Answer

Body temperature

Answer

Hormonal signals

Question 28

Which component is NOT found in saliva?

Accepted Answer

Red blood cells

Answer

Mucins

Answer

Proteins

Answer

Electrolytes

Question 29

What is the pH range of normal saliva?

Accepted Answer

6.35-6.85

Answer

6.90-7.20

Answer

5.00-5.50

Answer

7.00-7.50

Question 30

What is the major secretory protein found in saliva that aids digestion?

Accepted Answer

Amylase

Answer

Cystatin

Answer

Lactoferrin

Answer

Lipase

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