Question 1

________ secretions are released into interstitial space to diffuse into the blood.

Accepted Answer

A)  Endocrine 
B)  Exocrine 
C)  Mucous 
D)  Serous 
E)  Ribosomal 
A)  Endocrine 
B)  Exocrine 
C)  Mucous 
D)  Serous 
E)  Ribosomal A

Question 2

Movement of material between cells is known as the ________ pathway.

Accepted Answer

A)  transcellular 
B)  paracellular 
C)  metacellular 
D)  transendothelial 
E)  cisendothelial 
A)  transcellular 
B)  paracellular 
C)  metacellular 
D)  transendothelial 
E)  cisendothelial B

Question 3

The combination of fibers and ground substance in supporting connective tissues is known as

Accepted Answer

A)  cytoplasm. 
B)  extracellular matrix. 
C)  blood. 
D)  mucous. 
E)  micelles. 
A)  cytoplasm. 
B)  extracellular matrix. 
C)  blood. 
D)  mucous. 
E)  micelles. B

Question 4

Loose connective tissue functions in

Accepted Answer

A)  supporting small glands. 
B)  supporting epithelia. 
C)  anchoring blood vessels and nerves. 
D)  All of the answers are correct. 
A)  supporting small glands. 
B)  supporting epithelia. 
C)  anchoring blood vessels and nerves. 
D)  All of the answers are correct.

Question 5

Which substance is responsible for activating the digestive enzymes inside lysosomes?

Accepted Answer

A)  air 
B)  water 
C)  acid 
D)  enzymes 
E)  base 
A)  air 
B)  water 
C)  acid 
D)  enzymes 
E)  base

Question 6

This type of epithelia has cells that produce a substance and release it, either onto a surface or into the blood.

Accepted Answer

A)  exchange 
B)  transport 
C)  ciliated 
D)  protective 
E)  secretory 
A)  exchange 
B)  transport 
C)  ciliated 
D)  protective 
E)  secretory

Question 7

Which of the following is NOT a membrane lipid?

Accepted Answer

A)  sphingolipids 
B)  cholesterol 
C)  phospholipids 
D)  All are membrane lipids. 
A)  sphingolipids 
B)  cholesterol 
C)  phospholipids 
D)  All are membrane lipids.

Question 8

Apoptosis and necrosis are described as the two ways cells die.Which one is "messy"? Which is "tidy"? Explain.Why do these forms of cell death exist? What are some advantages and/or disadvantages of each? Use the lining cells of the digestive tract in an example of an advantageous process.

Accepted Answer

Necrosis is a result of damage to cells.

Question 9

Which type of connective tissue does NOT fit with the typical characteristic of a dense ground substance?

Accepted Answer

A)  cartilage 
B)  bone 
C)  blood 
D)  adipose 
E)  tendons 
A)  cartilage 
B)  bone 
C)  blood 
D)  adipose 
E)  tendons

Question 10

Exocrine glands

Accepted Answer

A)  may make either mucous or serous secretions. 
B)  release their secretions into the external environment. 
C)  release their secretions through open tubes, called ducts. 
D)  may work as single cells or as a multicellular organ. 
E)  All of the statements are True. 
A)  may make either mucous or serous secretions. 
B)  release their secretions into the external environment. 
C)  release their secretions through open tubes, called ducts. 
D)  may work as single cells or as a multicellular organ. 
E)  All of the statements are True.

Question 11

Which of the following is an example of a membranous organelle?

Accepted Answer

A)  lysosome 
B)  cilia 
C)  centriole 
D)  ribosome 
E)  cytoskeleton 
A)  lysosome 
B)  cilia 
C)  centriole 
D)  ribosome 
E)  cytoskeleton

Question 12

Mitochondria are considered which of the following?

Accepted Answer

A)  membranous organelle 
B)  transmembrane protein 
C)  inclusion 
D)  cytoskeletal protein 
E)  glycolipid 
A)  membranous organelle 
B)  transmembrane protein 
C)  inclusion 
D)  cytoskeletal protein 
E)  glycolipid

Question 13

Cancer is not one disease but a group of related diseases, caused by abnormal genes, environmental factors, and/or viral infections.Describe the basic common characteristics of cancers, including the role of anchoring junctions and proteases.What is a tumor? What is metastasis? Is cancer usually considered to be contagious? Explain.

Accepted Answer

Cancer results when cells begin to divid

Question 14

This modifies proteins and packages them into secretory vesicles for export from the cell.

Accepted Answer

A)  endoplasmic reticulum 
B)  Golgi apparatus 
C)  lysosomes 
D)  mitochondria 
E)  peroxisomes 
A)  endoplasmic reticulum 
B)  Golgi apparatus 
C)  lysosomes 
D)  mitochondria 
E)  peroxisomes

Question 15

The distinguishing characteristic of connective tissue is

Accepted Answer

A)  that it is arranged in sheets of tissue that lie on body surfaces. 
B)  that it is always dividing, constantly being replaced throughout the body. 
C)  the presence of extensive extracellular matrix containing widely scattered cells. 
D)  the collagen fibers that offer support. 
E)  All of these characteristics help make connective tissue unique. 
A)  that it is arranged in sheets of tissue that lie on body surfaces. 
B)  that it is always dividing, constantly being replaced throughout the body. 
C)  the presence of extensive extracellular matrix containing widely scattered cells. 
D)  the collagen fibers that offer support. 
E)  All of these characteristics help make connective tissue unique.

Question 16

The control center for cellular operations is the

Accepted Answer

A)  nucleus. 
B)  mitochondria. 
C)  Golgi complex. 
D)  endoplasmic reticulum. 
E)  ribosomes. 
A)  nucleus. 
B)  mitochondria. 
C)  Golgi complex. 
D)  endoplasmic reticulum. 
E)  ribosomes.

Question 17

Epithelial cells that are adapted for membrane transport of materials, such as ions and nutrients, usually have ________ on their apical surface.

Accepted Answer

A)  mitochondria 
B)  cilia or flagella 
C)  microvilli 
D)  junctional complexes 
E)  vesicles 
A)  mitochondria 
B)  cilia or flagella 
C)  microvilli 
D)  junctional complexes 
E)  vesicles

Question 18

Describe the structure of the cytoskeleton, and list its functions.

Accepted Answer

The cytoskeleton consists of actin micro

Question 19

The beta cells of the pancreas produce insulin, a protein-based hormone.Which of the following organelles would be found in higher levels in the beta cells?

Accepted Answer

A)  mitochondria 
B)  ribosomes 
C)  microvilli 
D)  lysosomes 
A)  mitochondria 
B)  ribosomes 
C)  microvilli 
D)  lysosomes

Question 20

The nucleus is surrounded by a(n)

Accepted Answer

A)  plasmalemma. 
B)  nuclear envelope. 
C)  cell wall. 
D)  protein coat. 
E)  adhesion molecule. 
A)  plasmalemma. 
B)  nuclear envelope. 
C)  cell wall. 
D)  protein coat. 
E)  adhesion molecule.

Exam 3: Compartmentation: Cells and Tissues

________ secretions are released into interstitial space to diffuse into the blood.

Movement of material between cells is known as the ________ pathway.

The combination of fibers and ground substance in supporting connective tissues is known as

Loose connective tissue functions in

Which substance is responsible for activating the digestive enzymes inside lysosomes?

This type of epithelia has cells that produce a substance and release it, either onto a surface or into the blood.

Which of the following is NOT a membrane lipid?

Apoptosis and necrosis are described as the two ways cells die.Which one is "messy"? Which is "tidy"? Explain.Why do these forms of cell death exist? What are some advantages and/or disadvantages of each? Use the lining cells of the digestive tract in an example of an advantageous process.

Which type of connective tissue does NOT fit with the typical characteristic of a dense ground substance?

Exocrine glands

Which of the following is an example of a membranous organelle?

Mitochondria are considered which of the following?

This modifies proteins and packages them into secretory vesicles for export from the cell.

The distinguishing characteristic of connective tissue is

The control center for cellular operations is the

Epithelial cells that are adapted for membrane transport of materials, such as ions and nutrients, usually have ________ on their apical surface.

Describe the structure of the cytoskeleton, and list its functions.

The beta cells of the pancreas produce insulin, a protein-based hormone.Which of the following organelles would be found in higher levels in the beta cells?

The nucleus is surrounded by a(n)

Introduction to Physiology

Molecular Interactions

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

Filters