Question 1

Which of the following consists of a network of intracellular membranes with attached ribosomes?

Accepted Answer

A)  rough endoplasmic reticulum 
B)  smooth endoplasmic reticulum 
C)  mitochondria 
D)  nucleoli 
E)  Golgi apparatus 
A)  rough endoplasmic reticulum 
B)  smooth endoplasmic reticulum 
C)  mitochondria 
D)  nucleoli 
E)  Golgi apparatus

Question 2

Functions of epithelia include all of the following EXCEPT

Accepted Answer

A)  providing physical protection. 
B)  controlling permeability. 
C)  producing specialized secretions. 
D)  storing energy reserves. 
E)  movement. 
A)  providing physical protection. 
B)  controlling permeability. 
C)  producing specialized secretions. 
D)  storing energy reserves. 
E)  movement.

Question 3

All but one of the structures listed below are a type of cell junction.Identify the exception.

Accepted Answer

A)  desmosomes 
B)  tight junctions 
C)  gap junctions 
D)  loose junctions 
E)  adherens junctions 
A)  desmosomes 
B)  tight junctions 
C)  gap junctions 
D)  loose junctions 
E)  adherens junctions

Question 4

Centrioles

Accepted Answer

A)  function as pipelines to move fluid through the cell. 
B)  direct the movement of DNA during cell division. 
C)  hold the cell's ribosomes in place. 
D)  are white blood cells out of vessels. 
E)  provide shape and stability to a cell. 
A)  function as pipelines to move fluid through the cell. 
B)  direct the movement of DNA during cell division. 
C)  hold the cell's ribosomes in place. 
D)  are white blood cells out of vessels. 
E)  provide shape and stability to a cell.

Question 5

Ribosomal RNA is formed by

Accepted Answer

A)  the endoplasmic reticulum. 
B)  Golgi complexes. 
C)  lysosomes. 
D)  mitochondria. 
E)  nucleoli. 
A)  the endoplasmic reticulum. 
B)  Golgi complexes. 
C)  lysosomes. 
D)  mitochondria. 
E)  nucleoli.

Question 6

Structures composed of epithelial cells that produce secretions are called

Accepted Answer

A)  nuclear pores. 
B)  cell junctions. 
C)  glands. 
D)  ducts. 
E)  micelles. 
A)  nuclear pores. 
B)  cell junctions. 
C)  glands. 
D)  ducts. 
E)  micelles.

Question 7

The term meaning "a mitotic population of cells that persists into adulthood" applies to

Accepted Answer

A)  stem cells. 
B)  totipotent cells. 
C)  apoptosis. 
D)  nurse cells. 
E)  gametocytes. 
A)  stem cells. 
B)  totipotent cells. 
C)  apoptosis. 
D)  nurse cells. 
E)  gametocytes.

Question 8

The watery medium that surrounds a cell is known as

Accepted Answer

A)  cytosol. 
B)  protoplasm. 
C)  extracellular fluid. 
D)  cytoplasm. 
E)  plasma. 
A)  cytosol. 
B)  protoplasm. 
C)  extracellular fluid. 
D)  cytoplasm. 
E)  plasma.

Question 9

Describe the two general meanings of the term membrane, as used in biology.Which usage indicates layers of cells and which indicates layers of molecules?

Accepted Answer

Prior to the use of microscopes, membran

Question 10

The proteins synthesized in the rough endoplasmic reticulum are then sent to the

Accepted Answer

A)  smooth endoplasmic reticulum for storage. 
B)  Golgi complex for packaging. 
C)  lysosome for modification. 
D)  cell membrane for secretion. 
E)  nucleus for cellular use. 
A)  smooth endoplasmic reticulum for storage. 
B)  Golgi complex for packaging. 
C)  lysosome for modification. 
D)  cell membrane for secretion. 
E)  nucleus for cellular use.

Question 11

Functions of connective tissue include

Accepted Answer

A)  establishing a structural framework for the body. 
B)  transporting fluids and dissolved materials. 
C)  providing protection for delicate organs. 
D)  storing energy reserves. 
E)  All of the answers are correct. 
A)  establishing a structural framework for the body. 
B)  transporting fluids and dissolved materials. 
C)  providing protection for delicate organs. 
D)  storing energy reserves. 
E)  All of the answers are correct.

Question 12

Describe the progression of a fertilized egg, from totipotent cell through pluripotent and multipotent stem cells.How might stem cells be of therapeutic value? What is plasticity?

Accepted Answer

This is di

Question 13

The heaviest organ in the body is the

Accepted Answer

A)  liver. 
B)  brain. 
C)  skin. 
D)  stomach. 
E)  urinary bladder. 
A)  liver. 
B)  brain. 
C)  skin. 
D)  stomach. 
E)  urinary bladder.

Question 14

This type of epithelia is found in the epidermis, esophagus, and mouth, and these stacked layers of cells prevent exchange, while they resist chemicals, bacteria, and other destructive forces.

Accepted Answer

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

Question 15

Describe the anatomical and fluid compartments of the body.How do the lumens of hollow organs fit into these classifications? Which fluid-containing cavities are considered to be internal and which are external? Of those that are external, why are they external (give examples)? You may wish to design a flow chart to help answer this.

Accepted Answer

The anatomical compartments are the cran

Question 16

Which of the following statements is NOT True regarding mitochondria?

Accepted Answer

A)  The outer mitochondrial membrane is responsible for its shape. 
B)  The intermembrane space is used in the production of ATP. 
C)  Mitochondria contain their own DNA and RNA. 
D)  Mitochondria can replicate themselves only when directed by the cell's nuclear DNA. 
E)  Mitochondria are responsible for providing energy to the cell. 
A)  The outer mitochondrial membrane is responsible for its shape. 
B)  The intermembrane space is used in the production of ATP. 
C)  Mitochondria contain their own DNA and RNA. 
D)  Mitochondria can replicate themselves only when directed by the cell's nuclear DNA. 
E)  Mitochondria are responsible for providing energy to the cell.

Question 17

When cancer develops in one tissue and spreads to another via the blood or the lymph, the cancer is said to have undergone what process?

Accepted Answer

A)  differentiation 
B)  metastasis 
C)  cytokinesis 
D)  mutation 
A)  differentiation 
B)  metastasis 
C)  cytokinesis 
D)  mutation

Question 18

Describe the composition and function of the extracellular matrix.

Accepted Answer

In any tissue, the extracellular matrix

Question 19

On the row of cells indicated below, match A-E to the terms in the following question(s).
   Figure 3.1
-Referring to Figure 3.1, which letter represents the apical membrane?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 20

All of the following are synthesized along various sites of the endoplasmic reticulum except one.Identify the exception.

Accepted Answer

A)  proteins 
B)  fatty acids 
C)  steroids 
D)  RNA 
E)  phospholipids 
A)  proteins 
B)  fatty acids 
C)  steroids 
D)  RNA 
E)  phospholipids

Exam 3: Compartmentation: Cells and Tissues

Which of the following consists of a network of intracellular membranes with attached ribosomes?

Functions of epithelia include all of the following EXCEPT

All but one of the structures listed below are a type of cell junction.Identify the exception.

Centrioles

Ribosomal RNA is formed by

Structures composed of epithelial cells that produce secretions are called

The term meaning "a mitotic population of cells that persists into adulthood" applies to

The watery medium that surrounds a cell is known as

Describe the two general meanings of the term membrane, as used in biology.Which usage indicates layers of cells and which indicates layers of molecules?

The proteins synthesized in the rough endoplasmic reticulum are then sent to the

Functions of connective tissue include

Describe the progression of a fertilized egg, from totipotent cell through pluripotent and multipotent stem cells.How might stem cells be of therapeutic value? What is plasticity?

The heaviest organ in the body is the

This type of epithelia is found in the epidermis, esophagus, and mouth, and these stacked layers of cells prevent exchange, while they resist chemicals, bacteria, and other destructive forces.

Which of the following statements is NOT True regarding mitochondria?

When cancer develops in one tissue and spreads to another via the blood or the lymph, the cancer is said to have undergone what process?

Describe the composition and function of the extracellular matrix.

On the row of cells indicated below, match A-E to the terms in the following question(s). Figure 3.1 -Referring to Figure 3.1, which letter represents the apical membrane?

All of the following are synthesized along various sites of the endoplasmic reticulum except one.Identify the exception.

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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