Question 1

Cancer is abnormal, uncontrolled cell division.Which property of epithelial tissues makes them more prone to develop this condition?

Accepted Answer

Epithelial tissues c

Question 2

This organelle is the site of most ATP synthesis in 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 3

Which of the following cytoskeleton components are responsible for the movement of chromosomes during cell division?

Accepted Answer

A)  microfilaments 
B)  intermediate filaments 
C)  thick filaments 
D)  microtubules 
E)  All of the answers are correct. 
A)  microfilaments 
B)  intermediate filaments 
C)  thick filaments 
D)  microtubules 
E)  All of the answers are correct.

Question 4

Chondrocytes secrete a firm but flexible matrix to form what tissue?

Accepted Answer

A)  cartilage 
B)  bone 
C)  loose connective tissue 
D)  fat 
E)  blood 
A)  cartilage 
B)  bone 
C)  loose connective tissue 
D)  fat 
E)  blood

Question 5

Peroxisomes

Accepted Answer

A)  use an enzyme to destroy H₂O₂ that is toxic to the cell. 
B)  are a type of lysosome. 
C)  are responsible for the atrophy of unused muscles. 
D)  are sites for synthesis of fatty acids, steroids, and phospholipids. 
E)  All of the answers accurately describe peroxisomes. 
A)  use an enzyme to destroy H₂O₂ that is toxic to the cell. 
B)  are a type of lysosome. 
C)  are responsible for the atrophy of unused muscles. 
D)  are sites for synthesis of fatty acids, steroids, and phospholipids. 
E)  All of the answers accurately describe peroxisomes.

Question 6

Each of the following is a primary tissue type except one.Identify the exception.

Accepted Answer

A)  muscle tissue 
B)  neural tissue 
C)  osseous tissue 
D)  connective tissue 
E)  epithelial tissue 
A)  muscle tissue 
B)  neural tissue 
C)  osseous tissue 
D)  connective tissue 
E)  epithelial tissue

Question 7

The space that is surrounded by the tissue wall of hollow organs is known as the

Accepted Answer

A)  peritoneal cavity. 
B)  lumen. 
C)  extracellular space. 
D)  epidural space. 
E)  tract. 
A)  peritoneal cavity. 
B)  lumen. 
C)  extracellular space. 
D)  epidural space. 
E)  tract.

Question 8

________ proteins attach loosely to other membrane proteins or polar regions of phospholipids.

Accepted Answer

A)  Nuclear 
B)  Transmembrane 
C)  Cytoskeletal 
D)  Peripheral 
E)  Glycolipid 
A)  Nuclear 
B)  Transmembrane 
C)  Cytoskeletal 
D)  Peripheral 
E)  Glycolipid

Question 9

Mature nerve and muscle cells are expected to lack which organelle(s)?

Accepted Answer

A)  nucleus 
B)  endoplasmic reticulum 
C)  centrioles 
D)  ribosomes 
E)  Golgi bodies 
A)  nucleus 
B)  endoplasmic reticulum 
C)  centrioles 
D)  ribosomes 
E)  Golgi bodies

Question 10

Microvilli are found

Accepted Answer

A)  mostly in muscle cells. 
B)  on the inside of cell membranes. 
C)  in large numbers on cells that secrete hormones. 
D)  in cells that are actively engaged in absorption. 
E)  only on cells lining the reproductive tract. 
A)  mostly in muscle cells. 
B)  on the inside of cell membranes. 
C)  in large numbers on cells that secrete hormones. 
D)  in cells that are actively engaged in absorption. 
E)  only on cells lining the reproductive tract.

Question 11

Microtubules

Accepted Answer

A)  are composed of tubulin. 
B)  are hollow, filamentous structures. 
C)  form cilia that aid in cell movement. 
D)  are the largest cytoplasmic fibers. 
E)  All of the answers are correct. 
A)  are composed of tubulin. 
B)  are hollow, filamentous structures. 
C)  form cilia that aid in cell movement. 
D)  are the largest cytoplasmic fibers. 
E)  All of the answers are correct.

Question 12

Every substance that enters or leaves the internal environment of the body must cross an epithelium.

Accepted Answer

A) True 
 B)False

Question 13

Neurons in the CNS of the adult don't contain centrioles.What does that tell you about CNS neurons?

Accepted Answer

A)  They don't produce any products. 
B)  It doesn't tell you much of anything. 
C)  They don't replicate themselves. 
D)  They don't carry nerve impulses. 
A)  They don't produce any products. 
B)  It doesn't tell you much of anything. 
C)  They don't replicate themselves. 
D)  They don't carry nerve impulses.

Question 14

Groups of tissues that carry out related functions may form structures known as

Accepted Answer

A)  cells. 
B)  organs. 
C)  organelles. 
D)  organisms. 
E)  Impossible to tell from the information given. 
A)  cells. 
B)  organs. 
C)  organelles. 
D)  organisms. 
E)  Impossible to tell from the information given.

Question 15

The term meaning "programmed cell death" is

Accepted Answer

A)  necrosis. 
B)  apoptosis. 
C)  oncogenesis. 
D)  diuresis. 
E)  cytocide. 
A)  necrosis. 
B)  apoptosis. 
C)  oncogenesis. 
D)  diuresis. 
E)  cytocide.

Question 16

Microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers.This tissue would most likely have come from the

Accepted Answer

A)  inner wall of a blood vessel. 
B)  muscle 
C)  larynx. 
D)  tissue that separates skin from underlying muscle. 
E)  bony socket of the eye. 
A)  inner wall of a blood vessel. 
B)  muscle 
C)  larynx. 
D)  tissue that separates skin from underlying muscle. 
E)  bony socket of the eye.

Question 17

Your study partner is having difficulty understanding dense fibrous connective tissue, tendons, and ligaments.Explain to her how they are related to each other and how they are different from other categories of connective tissue.

Accepted Answer

Dense fibrous connective tissue is a cat

Question 18

These degrade long chain fatty acids and toxic foreign molecules.

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 19

Which type of tissue below has minimal extracellular matrix?

Accepted Answer

A)  epithelial only 
B)  connective only 
C)  neural only 
D)  muscle only 
E)  epithelial, neural, and muscle 
A)  epithelial only 
B)  connective only 
C)  neural only 
D)  muscle only 
E)  epithelial, neural, and muscle

Question 20

You are looking at a slide of an unknown organ that has an empty lumen with stratified squamous epithelium contacting the lumen.Deep to the epithelium is a basement membrane and then two layers of smooth muscle.Which of the following organs would this most likely belong to and why?

Accepted Answer

A)  The intestines because they need to move food along and absorb digested products. 
B)  The liver because it secretes enzymes and bile and needs to move them to the gallbladder. 
C)  The esophagus because it is a passageway that needs to move but not absorb food products. 
D)  The urinary bladder because it needs to stretch and constrict to store and eliminate urine. 
A)  The intestines because they need to move food along and absorb digested products. 
B)  The liver because it secretes enzymes and bile and needs to move them to the gallbladder. 
C)  The esophagus because it is a passageway that needs to move but not absorb food products. 
D)  The urinary bladder because it needs to stretch and constrict to store and eliminate urine.

Exam 3: Compartmentation: Cells and Tissues

Cancer is abnormal, uncontrolled cell division.Which property of epithelial tissues makes them more prone to develop this condition?

This organelle is the site of most ATP synthesis in the cell.

Which of the following cytoskeleton components are responsible for the movement of chromosomes during cell division?

Chondrocytes secrete a firm but flexible matrix to form what tissue?

Peroxisomes

Each of the following is a primary tissue type except one.Identify the exception.

The space that is surrounded by the tissue wall of hollow organs is known as the

________ proteins attach loosely to other membrane proteins or polar regions of phospholipids.

Mature nerve and muscle cells are expected to lack which organelle(s)?

Microvilli are found

Microtubules

Every substance that enters or leaves the internal environment of the body must cross an epithelium.

Neurons in the CNS of the adult don't contain centrioles.What does that tell you about CNS neurons?

Groups of tissues that carry out related functions may form structures known as

The term meaning "programmed cell death" is

Microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers.This tissue would most likely have come from the

Your study partner is having difficulty understanding dense fibrous connective tissue, tendons, and ligaments.Explain to her how they are related to each other and how they are different from other categories of connective tissue.

These degrade long chain fatty acids and toxic foreign molecules.

Which type of tissue below has minimal extracellular matrix?

You are looking at a slide of an unknown organ that has an empty lumen with stratified squamous epithelium contacting the lumen.Deep to the epithelium is a basement membrane and then two layers of smooth muscle.Which of the following organs would this most likely belong to and why?

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

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