Question 1

Characteristics of prokaryotes include which of the following? (Select all that apply.)

Accepted Answer

A)  They contain no organelles. 
B)  Their nuclear material is not encased by a nuclear membrane. 
C)  They contain a distinct nucleus. 
D)  They contain histones. 
E)  They contain a cellular membrane. 
A)  They contain no organelles. 
B)  Their nuclear material is not encased by a nuclear membrane. 
C)  They contain a distinct nucleus. 
D)  They contain histones. 
E)  They contain a cellular membrane. A, B, C

Question 2

A student is reviewing functions of the cell. The student would be correct in identifying a chief function of the nerve cell as:

Accepted Answer

A)  sensory interpretation. 
B)  conductivity. 
C)  maintenance of homeostasis. 
D)  communication. 
A)  sensory interpretation. 
B)  conductivity. 
C)  maintenance of homeostasis. 
D)  communication. B

Question 3

An athlete runs a marathon, after which his muscles feel fatigued and unable to contract. The athlete asks the nurse why this happened. The nurse's response is based on the knowledge that the problem is result of a deficiency of:

Accepted Answer

A)  GTP 
B)  AMP 
C)  ATP 
D)  GMP 
A)  GTP 
B)  AMP 
C)  ATP 
D)  GMP C

Question 4

What is the role of cytokines in cell reproduction?

Accepted Answer

A)  Provide growth factor for tissue growth and development 
B)  Block progress of cell reproduction through the cell cycle 
C)  Restrain cell growth and development 
D)  Provide nutrients for cell growth and development 
A)  Provide growth factor for tissue growth and development 
B)  Block progress of cell reproduction through the cell cycle 
C)  Restrain cell growth and development 
D)  Provide nutrients for cell growth and development

Question 5

Which of the following can remove proteins attached to the cell's bilayer by dissolving the layer itself?

Accepted Answer

A)  Peripheral membrane proteins 
B)  Integral membrane proteins 
C)  Glycoproteins 
D)  Cell adhesion molecules 
A)  Peripheral membrane proteins 
B)  Integral membrane proteins 
C)  Glycoproteins 
D)  Cell adhesion molecules

Question 6

The phase of the cell cycle during which the centromeres split and the sister chromatids are pulled apart is referred to as:

Accepted Answer

A)  anaphase. 
B)  telophase. 
C)  prophase. 
D)  metaphase. 
A)  anaphase. 
B)  telophase. 
C)  prophase. 
D)  metaphase.

Question 7

A biopsy of the lung bronchi revealed ciliated epithelial cells that are capable of secretion and absorption. These cells are called _____ columnar epithelium.

Accepted Answer

A)  simple 
B)  ciliated simple 
C)  stratified 
D)  pseudostratified ciliated 
A)  simple 
B)  ciliated simple 
C)  stratified 
D)  pseudostratified ciliated

Question 8

A nurse is discussing the movement of fluid across the arterial end of capillary membranes into the interstitial fluid surrounding the capillary. What mechanical force is involved with this movement?

Accepted Answer

A)  Hydrostatic pressure 
B)  Osmosis 
C)  Diffusion 
D)  Active transport 
A)  Hydrostatic pressure 
B)  Osmosis 
C)  Diffusion 
D)  Active transport

Question 9

How are potassium and sodium transported across plasma membranes?

Accepted Answer

A)  By passive electrolyte channels 
B)  By coupled channels 
C)  By adenosine triphosphate enzyme (ATPase) 
D)  By diffusion 
A)  By passive electrolyte channels 
B)  By coupled channels 
C)  By adenosine triphosphate enzyme (ATPase) 
D)  By diffusion

Question 10

Which of the following can bind to plasma membrane receptors?

Accepted Answer

A)  Oxygen 
B)  Ribosomes 
C)  Amphipathic lipids 
D)  Ligands 
A)  Oxygen 
B)  Ribosomes 
C)  Amphipathic lipids 
D)  Ligands

Question 11

A nurse teaching the staff about platelet-derived growth factor includes information that platelet-derived growth factor (PDGF) stimulates the production of:

Accepted Answer

A)  platelets. 
B)  epidermal cells. 
C)  connective tissue cells. 
D)  nerve cells. 
A)  platelets. 
B)  epidermal cells. 
C)  connective tissue cells. 
D)  nerve cells.

Question 12

A nurse is reviewing a report from a patient with metastatic cancer. What alternation in the extracellular matrix would support the diagnosis of metastatic cancer?

Accepted Answer

A)  Decreased fibronectin 
B)  Increased collagen 
C)  Decreased elastin 
D)  Increased glycoproteins 
A)  Decreased fibronectin 
B)  Increased collagen 
C)  Decreased elastin 
D)  Increased glycoproteins

Question 13

A patient has a body fluid of 300 mOsm/kg. This laboratory result is measuring:

Accepted Answer

A)  osmolality. 
B)  osmolarity. 
C)  osmotic pressure. 
D)  oncotic pressure. 
A)  osmolality. 
B)  osmolarity. 
C)  osmotic pressure. 
D)  oncotic pressure.

Question 14

A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance?

Accepted Answer

A)  Electron-transport chain 
B)  Aerobic glycolysis 
C)  Anaerobic glycolysis 
D)  Oxidative phosphorylation 
A)  Electron-transport chain 
B)  Aerobic glycolysis 
C)  Anaerobic glycolysis 
D)  Oxidative phosphorylation

Question 15

The ion transporter that moves Na+ and Ca2+ simultaneously in the same direction is an example of which of the following types of transport?

Accepted Answer

A)  Biport 
B)  Uniport 
C)  Antiport 
D)  Symport 
A)  Biport 
B)  Uniport 
C)  Antiport 
D)  Symport

Question 16

Some cancer drugs work during the cell cycle phase where nuclear and cytoplasmic divisions occur. What is this cell cycle phase called?

Accepted Answer

A)  G1 
B)  S 
C)  M 
D)  G2 
A)  G1 
B)  S 
C)  M 
D)  G2

Question 17

What event occurs to return a cell to its resting potential?

Accepted Answer

A)  K+ rushes into the cell. 
B)  Na+ rushes into the cell. 
C)  Na⁺-K⁺ pumps move Na⁺ and K⁺ out of the cell. 
D)  Na⁺-K⁺ pumps move Na⁺ out of the cell and K⁺ into the cell. 
A)  K+ rushes into the cell. 
B)  Na+ rushes into the cell. 
C)  Na⁺-K⁺ pumps move Na⁺ and K⁺ out of the cell. 
D)  Na⁺-K⁺ pumps move Na⁺ out of the cell and K⁺ into the cell.

Question 18

In cellular metabolism, each enzyme has a high affinity for a:

Accepted Answer

A)  solute. 
B)  substrate. 
C)  receptor. 
D)  ribosome. 
A)  solute. 
B)  substrate. 
C)  receptor. 
D)  ribosome.

Question 19

Which phase of catabolism produces the most ATP?

Accepted Answer

A)  Digestion 
B)  Glycolysis 
C)  Oxidation 
D)  Citric acid cycle 
A)  Digestion 
B)  Glycolysis 
C)  Oxidation 
D)  Citric acid cycle

Question 20

A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained?

Accepted Answer

A)  Peroxisomes 
B)  Ribosomes 
C)  The nucleolus 
D)  Suspended in nucleoplasm 
A)  Peroxisomes 
B)  Ribosomes 
C)  The nucleolus 
D)  Suspended in nucleoplasm

Exam 1: Cellular Biology

Characteristics of prokaryotes include which of the following? (Select all that apply.)

A student is reviewing functions of the cell. The student would be correct in identifying a chief function of the nerve cell as:

An athlete runs a marathon, after which his muscles feel fatigued and unable to contract. The athlete asks the nurse why this happened. The nurse's response is based on the knowledge that the problem is result of a deficiency of:

What is the role of cytokines in cell reproduction?

Which of the following can remove proteins attached to the cell's bilayer by dissolving the layer itself?

The phase of the cell cycle during which the centromeres split and the sister chromatids are pulled apart is referred to as:

A biopsy of the lung bronchi revealed ciliated epithelial cells that are capable of secretion and absorption. These cells are called _____ columnar epithelium.

A nurse is discussing the movement of fluid across the arterial end of capillary membranes into the interstitial fluid surrounding the capillary. What mechanical force is involved with this movement?

How are potassium and sodium transported across plasma membranes?

Which of the following can bind to plasma membrane receptors?

A nurse teaching the staff about platelet-derived growth factor includes information that platelet-derived growth factor (PDGF) stimulates the production of:

A nurse is reviewing a report from a patient with metastatic cancer. What alternation in the extracellular matrix would support the diagnosis of metastatic cancer?

A patient has a body fluid of 300 mOsm/kg. This laboratory result is measuring:

A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance?

The ion transporter that moves Na+ and Ca2+ simultaneously in the same direction is an example of which of the following types of transport?

Some cancer drugs work during the cell cycle phase where nuclear and cytoplasmic divisions occur. What is this cell cycle phase called?

What event occurs to return a cell to its resting potential?

In cellular metabolism, each enzyme has a high affinity for a:

Which phase of catabolism produces the most ATP?

A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained?

Genes and Genetic Diseases

Epigenetics and Disease

Altered Cellular and Tissue Biology

Fluids and Electrolytes, Acids and Bases

Innate Immunity: Inflammation and Wound Healing

Adaptive Immunity

Infection and Defects in Mechanisms of Defence

Stress and Disease

Biology of Cancer

Cancer Epidemiology

Cancer in Children and Adolescents

Structure and Function of the Neurological System

Pain, Temperature, Sleep, and Sensory Function

Alterations in Cognitive Systems, Cerebral Hemodynamics, and Motor Function

Disorders of the Central and Peripheral Nervous Systems and Neuromuscular Junction

Alterations of Neurological Function in Children

Mechanisms of Hormonal Regulation

Alterations of Hormonal Regulation

Structure and Function of the Hematological System

Alterations of Hematological Function

Alterations of Hematological Function in Children

Structure and Function of the Cardiovascular and Lymphatic Systems

Alterations of Cardiovascular Function

Alterations of Cardiovascular Function in Children

Structure and Function of the Pulmonary System

Alterations of Pulmonary Function

Alterations of Pulmonary Function in Children

Structure and Function of the Renal and Urological Systems

Alterations of Renal and Urinary Tract Function

Alterations of Renal and Urinary Tract Function in Children

Structure and Function of the Reproductive Systems

Alterations of the Female Reproductive System

Alterations of the Male Reproductive System

Structure and Function of the Digestive System

Alterations of Digestive Function

Alterations of Digestive Function in Children

Structure and Function of the Musculo-Skeletal System

Alterations of Musculo-Skeletal Function

Alterations of Musculo-Skeletal Function in Children

Structure, Function, and Disorders of the Integument

Alterations of the Integument in Children

Filters

The ion transporter that moves Na⁺ and Ca²⁺ simultaneously in the same direction is an example of which of the following types of transport?