Question 1

Which cells aid in the operation of the nervous system but are unable to conduct nerve impulses?

Accepted Answer

A)  neurons
B)  intercalated disks
C)  goblet cells
D)  neurogliaE) All of the above
F) A) and D)

Question 2

When we watch Olympic athletes perform,we are admiring the expert control of which systems working together?

Accepted Answer

A)  skeletal,endocrine,and circulatory systems
B)  nervous,circulatory,and skeletal systems
C)  muscular,integumentary,and circulatory systems
D)  nervous,muscular,and skeletal systemsE) A) and D)
F) A) and C)

Question 3

Which type of cells line the lungs and blood vessels?

Accepted Answer

A)  simple squamous epithelium
B)  simple cuboidal epithelium
C)  simple columnar epithelium
D)  stratified squamous epithelium
E)  keratinized squamous epitheliumF) B) and C)
G) None of the above

Question 4

The cell body of a motor neuron resides in the spinal cord,but it may control muscles a long distance away.In a giraffe,the ________ of a leg motor neuron may be six feet long!

Accepted Answer

A)  dendrite
B)  soma
C)  axon
D)  node of RanvierE) B) and C)
F) A) and C)

Question 5

Which is another name for bone cells that remain alive even after the extracellular matrix becomes hardened with calcium phosphate crystals?

Accepted Answer

A)  osteocytes
B)  erythrocytes
C)  leukocytes
D)  fibrocytes
E)  chrondrocytesF) B) and E)
G) A) and B)

Question 6

The most abundant protein in mammals is collagen.This strong,ropelike molecule is particularly abundant in which tissue?

Accepted Answer

A)  heart muscle
B)  spinal cord
C)  ligaments
D)  skeletal muscleE) B) and D)
F) A) and D)

Question 7

Where is the nucleus of a neuron found?

Accepted Answer

A)  axon branches
B)  companion cell
C)  cell body
D)  dendrites
E)  myelin sheathF) D) and E)
G) A) and E)

Question 8

To diagnose and treat a disease,a doctor must evaluate the patient's body at multiple levels of organization.Identify the level of organization relevant to each stage of the process described below. 
(1) As part of Fred's annual physical,the doctor examined his skin,fingernails and hair for signs of disease.Noticing an unusual lesion on his neck,the doctor referred Fred to a dermatologist.
(2) Upon observing the lesion,the dermatologist said,"Yes,this looks like it could be a squamous cell carcinoma,a tumor in the epidermis of the skin."
(3) The dermatologist carefully examined all of Fred's skin for signs of additional tumors,but did not find any.
(4) The dermatologist removed the lesion and sent it for a biopsy.Under the microscope,the pathologist saw some cells with abnormal morphology and confirmed a diagnosis of squamous cell carcinoma.However,he noted that the margins of the lesion were clear of abnormal cells,and the tumor had been successfully removed.

Accepted Answer

A)  organism,cell,tissue,organ
B)  organ system,tissue,organ,cell
C)  organ system,organ,tissue,cell
D)  organism,cell,organ system,tissueE) All of the above
F) A) and C)

Question 9

What feature of cardiac muscle helps the cells coordinate their contraction as a single unit?

Accepted Answer

A)  fused cells with multiple nuclei
B)  covalent bonds between actin and myosin molecules
C)  intercalated disks rich in gap junctions
D)  large numbers of motor neuronsE) A) and D)
F) B) and C)

Question 10

You are researching a family with a heritable disease whose symptoms include hyper-flexible joints,pliable skin,stretchy ligaments,and fragile muscles that tear easily.You plan to use genetic testing to determine the cause of the disease.Which gene do you sequence first?

Accepted Answer

A)  actin
B)  epidermal growth factor
C)  myosin II heavy chain
D)  collagenE) A) and B)
F) A) and D)

Question 11

A couple is having difficulty conceiving a child,and they decide to see a fertility specialist.Which two organ systems will the specialist examine in this couple?

Accepted Answer

A)  reproductive and nervous systems
B)  endocrine and urinary systems
C)  reproductive and endocrine systems
D)  reproductive and urinary systemsE) B) and C)
F) A) and B)

Question 12

Which of the following are the fundamental embryonic tissues called the "germ layers"?

Accepted Answer

A)  tissues,organs,and organ systems
B)  mesoderm,muscle,and tissue
C)  ectoderm,endoderm,and exoskeleton
D)  mesoderm,endoderm,and ectoderm
E)  mesoderm,exoderm,and hydrodermF) B) and E)
G) None of the above

Question 13

Which of the following types of muscles are striated?

Accepted Answer

A)  skeletal and smooth
B)  cardiac only
C)  triceps and biceps only
D)  skeletal and cardiac
E)  skeletal,smooth,and cardiacF) B) and D)
G) B) and C)

Question 14

A friend asks you how exocrine glands differ from endocrine glands.She knows that both form from invaginated epithelium.How do you respond?

Accepted Answer

A)  Exocrine and endocrine glands are essentially the same,both produce products that are secreted to the skin's surface.
B)  Exocrine glands produce hormones which enter the blood stream,while endocrine glands secrete sweat and oil directly to the surface of the skin.
C)  Endocrine glands produce hormones which enter the blood stream,while exocrine glands secrete sweat and oil directly to the surface of the skin.
D)  Exocrine glands are found in the thoracic cavity while endocrine glands are located in the pleural cavity.
E)  The liver is an endocrine gland that secretes directly into epithelial tissues.The pituitary gland is an exocrine gland that secretes into the blood stream.F) A) and C)
G) B) and C)

Question 15

Some animals allow their body temperature to conform to the environment.What is the old term for these animals,and what is the newer preferred term?

Accepted Answer

A)  heterotherms; homeotherms
B)  homeotherms; endotherms
C)  isotherms; poikilotherms
D)  poikilotherms; ectotherms
E)  endotherms; homeostatsF) C) and D)
G) A) and E)

Question 16

What are epithelial cells with a flat,irregular shape and tapered edges called?

Accepted Answer

A)  columnar
B)  pseudostratified
C)  squamous
D)  cuboidal
E)  stratifiedF) A) and C)
G) A) and B)

Question 17

Mechanisms that help generate heat and those that allow release of heat are an example of ________.Collectively,these mechanisms increase the ________ of body temperature.

Accepted Answer

A)  endothermic regulation; flexibility
B)  poikilothermic regulation; stability
C)  ectothermic regulation; flexibility
D)  antagonist effectors; stabilityE) A) and C)
F) B) and C)

Question 18

The axon of a neuron can only communicate with other neuronal cells.

Accepted Answer

A) True 
 B)False

Question 19

You are an engineer at a power plant that creates large volumes of hot waste water,which disrupts the ecosystem of the river it drains into.Another part of the plant requires warm oil,and the plant uses large amounts of energy to heat it.Inspired by countercurrent exchange in whales,you save energy and benefit the environment by

Accepted Answer

A)  running the oil pipes under the river after dumping in the hot waste water
B)  running the oil pipes around the waste water pipes,to allow heat transfer from water to oil
C)  running the waste water and oil through a single pipe
D)  adding a sensor,integrating center and effectors to control temperature in both pipesE) A) and C)
F) B) and C)

Question 20

Which of these thermoregulation processes can be sustained for the longest period of time?

Accepted Answer

A)  shivering
B)  sweating
C)  nonshivering thermogenesis
D)  hibernation
E)  feverF) None of the above
G) A) and E)

Exam 41: The Animal Body and Principles of Regulation

Mechanisms that help generate heat and those that allow release of heat are an example of .Collectively,these mechanisms increase the of body temperature.

Correct Answer
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Where is the nucleus of a neuron found?

Correct Answer
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Which of these thermoregulation processes can be sustained for the longest period of time?

Correct Answer
verified

What feature of cardiac muscle helps the cells coordinate their contraction as a single unit?

Correct Answer
verified

The axon of a neuron can only communicate with other neuronal cells.

Correct Answer
verified

Which is another name for bone cells that remain alive even after the extracellular matrix becomes hardened with calcium phosphate crystals?

Correct Answer
verified

The most abundant protein in mammals is collagen.This strong,ropelike molecule is particularly abundant in which tissue?

Correct Answer
verified

Which of the following types of muscles are striated?

Correct Answer
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Correct Answer
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Which type of cells line the lungs and blood vessels?

Correct Answer
verified

A friend asks you how exocrine glands differ from endocrine glands.She knows that both form from invaginated epithelium.How do you respond?

Correct Answer
verified

A couple is having difficulty conceiving a child,and they decide to see a fertility specialist.Which two organ systems will the specialist examine in this couple?

Correct Answer
verified

When we watch Olympic athletes perform,we are admiring the expert control of which systems working together?

Correct Answer
verified

Correct Answer
verified

Which of the following are the fundamental embryonic tissues called the "germ layers"?

Correct Answer
verified

You are researching a family with a heritable disease whose symptoms include hyper-flexible joints,pliable skin,stretchy ligaments,and fragile muscles that tear easily.You plan to use genetic testing to determine the cause of the disease.Which gene do you sequence first?

Correct Answer
verified

Some animals allow their body temperature to conform to the environment.What is the old term for these animals,and what is the newer preferred term?

Correct Answer
verified

Which cells aid in the operation of the nervous system but are unable to conduct nerve impulses?

Correct Answer
verified

The cell body of a motor neuron resides in the spinal cord,but it may control muscles a long distance away.In a giraffe,the ________ of a leg motor neuron may be six feet long!

Correct Answer
verified

What are epithelial cells with a flat,irregular shape and tapered edges called?

Correct Answer
verified

Exam 41: The Animal Body and Principles of Regulation

Mechanisms that help generate heat and those that allow release of heat are an example of ________.Collectively,these mechanisms increase the ________ of body temperature.

Correct AnswerverifiedShow Answer

Where is the nucleus of a neuron found?

Correct AnswerverifiedShow Answer

Which of these thermoregulation processes can be sustained for the longest period of time?

Correct AnswerverifiedShow Answer

What feature of cardiac muscle helps the cells coordinate their contraction as a single unit?

Correct AnswerverifiedShow Answer

The axon of a neuron can only communicate with other neuronal cells.

Correct AnswerverifiedShow Answer

Which is another name for bone cells that remain alive even after the extracellular matrix becomes hardened with calcium phosphate crystals?

Correct AnswerverifiedShow Answer

The most abundant protein in mammals is collagen.This strong,ropelike molecule is particularly abundant in which tissue?

Correct AnswerverifiedShow Answer

Which of the following types of muscles are striated?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which type of cells line the lungs and blood vessels?

Correct AnswerverifiedShow Answer

A friend asks you how exocrine glands differ from endocrine glands.She knows that both form from invaginated epithelium.How do you respond?

Correct AnswerverifiedShow Answer

A couple is having difficulty conceiving a child,and they decide to see a fertility specialist.Which two organ systems will the specialist examine in this couple?

Correct AnswerverifiedShow Answer

When we watch Olympic athletes perform,we are admiring the expert control of which systems working together?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following are the fundamental embryonic tissues called the "germ layers"?

Correct AnswerverifiedShow Answer

You are researching a family with a heritable disease whose symptoms include hyper-flexible joints,pliable skin,stretchy ligaments,and fragile muscles that tear easily.You plan to use genetic testing to determine the cause of the disease.Which gene do you sequence first?

Correct AnswerverifiedShow Answer

Some animals allow their body temperature to conform to the environment.What is the old term for these animals,and what is the newer preferred term?

Correct AnswerverifiedShow Answer

Which cells aid in the operation of the nervous system but are unable to conduct nerve impulses?

Correct AnswerverifiedShow Answer

The cell body of a motor neuron resides in the spinal cord,but it may control muscles a long distance away.In a giraffe,the ________ of a leg motor neuron may be six feet long!

Correct AnswerverifiedShow Answer

What are epithelial cells with a flat,irregular shape and tapered edges called?

Correct AnswerverifiedShow Answer

Mechanisms that help generate heat and those that allow release of heat are an example of .Collectively,these mechanisms increase the of body temperature.

Correct Answer
verified

Correct Answer
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Correct Answer
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