Question 1

What are the cells that are specialized to produce and conduct electrochemical impulses called?

Accepted Answer

A)  neurons
B)  dendrites
C)  axons
D)  fibroblasts
E)  astrocytesF) A) and E)
G) A) and B)

Question 2

It's the ninth inning,and the bases are loaded.As the pitcher winds up to throw the ball,how does each tissue in his arm contribute to this critical pitch? The ________ of his fingers grips the ball.His ________ sends instructions that trigger his ________ to contract.His ________ provides stability and transmits the force produced.

Accepted Answer

A)  ectoderm; ectoderm; mesoderm; endoderm
B)  connective tissue; nerve tissue; muscle tissue; epithelial tissue
C)  epithelium; ectoderm; mesoderm; endoderm
D)  epithelial tissue; nerve tissue; muscle tissue; connective tissueE) A) and B)
F) A) and C)

Question 3

Which of these is not part of loose connective tissue?

Accepted Answer

A)  collagen
B)  elastin
C)  reticulin
D)  chondroitin
E)  adipose cellsF) A) and C)
G) C) and D)

Question 4

Which of the following epithelial tissues secretes mucous and is dense with cilia?

Accepted Answer

A)  cuboidal
B)  squamous
C)  simple
D)  stratified
E)  pseudostratified columnarF) C) and D)
G) A) and B)

Question 5

Which of the following types of epithelia would be likely to make up the tubules of the kidney?

Accepted Answer

A)  cuboidal
B)  squamous
C)  columnar and squamous
D)  columnar
E)  pseudostratifiedF) B) and E)
G) None of the above

Question 6

Which statement describes a home heating and cooling system that functions in a homeostatic way?

Accepted Answer

A)  The temperature always stays the same.
B)  The heater never comes on.
C)  The heater is on at a constant rate.
D)  The thermostat keeps the temperature within a narrow range.E) B) and C)
F) B) and D)

Question 7

Which of the following systems is NOT directly involved with regulation and maintenance of the body's chemistry?

Accepted Answer

A)  the digestive system
B)  the circulatory system
C)  the respiratory system
D)  the urinary system
E)  the reproductive systemF) A) and B)
G) None of the above

Question 8

Why are epithelial membranes not very thick?

Accepted Answer

A)  Epithelial tissues are required to support other cells growing on top of the tissue.
B)  Epithelial tissues play a critical role in transport,and must be thin to allow diffusion to occur.
C)  Epithelial tissues can only reach a certain thickness because their growth is constrained by microtubules inside the cell membrane.
D)  Thick epithelial tissues would collapse due to the drying effect of the environment.
E)  Epithelial tissues are programmed to stop dividing after only a few cell cycles.F) A) and B)
G) C) and D)

Question 9

Which of these methods of heat transfer is not relevant to biological systems?

Accepted Answer

A)  radiation
B)  conduction
C)  convection
D)  evaporation
E)  reflectionF) All of the above
G) C) and E)

Question 10

All connective tissues share which of the following structural features? I-contain cells
II-contain a matrix filled with extracellular material
III-contain sarcomere units

Accepted Answer

A)  I and III
B)  II only
C)  II and III
D)  I,II,and II
E)  I and IIF) A) and C)
G) A) and B)

Question 11

In adult vertebrates,which of these is not one of the four principal kinds of primary tissues?

Accepted Answer

A)  epithelial
B)  connective
C)  supportive
D)  muscle
E)  nerveF) B) and C)
G) C) and E)

Question 12

Which of the following is most likely to function as a defense system?

Accepted Answer

A)  the integumentary system
B)  the musculoskeletal system
C)  the endocrine system
D)  the sensory system
E)  the nervous systemF) A) and D)
G) B) and E)

Question 13

Which of these is not a method used by ectotherms to affect body temperature?

Accepted Answer

A)  countercurrent heat exchange
B)  basking in the sun
C)  shivering
D)  dilation or contraction of blood vessels
E)  increasing metabolic rateF) B) and C)
G) C) and D)

Question 14

When collagen is hydrolyzed it forms gelatin,the main ingredient of a jiggly dessert adored by children.What parts of a cow provide a rich source of collagen?

Accepted Answer

A)  heart and other muscles
B)  brain
C)  glandular organs
D)  skin,tendons,and cartilageE) C) and D)
F) B) and C)

Question 15

If a mammal suffered damage to the temperature sensor in its brain,what would be the result?

Accepted Answer

A)  The integrating center would not receive inputs to compare to the set point.Body temperature could rise or fall to dangerous levels.
B)  Only the integumentary system is required to sense temperature changes.Body temperature would remain stable.
C)  The animal would have to rely on shivering instead of vasoconstriction to maintain body heat.
D)  The animal would fall back onto a more primitive ectothermic mode of regulation.E) None of the above
F) All of the above

Question 16

If the set point of the hypothalamus were to suddenly rise to 40°C (as in the induction phase of a fever) ,what would the initial response of the body be?

Accepted Answer

A)  glands release sweat
B)  muscles contract to cause shivering
C)  nothing
D)  body temperature drops
E)  blood vessels dilateF) A) and D)
G) C) and E)

Question 17

Goblet cell hyperplasia is associated with asthma.Based on their function,what is the likely outcome of an overabundance of goblet cells?

Accepted Answer

A)  decreased mucus production
B)  excess mucus production
C)  excess O2 absorption
D)  decreased CO2 absorptionE) B) and C)
F) A) and D)

Question 18

Which of these factors would have the least effect on heat transfer processes in animals?

Accepted Answer

A)  surface area of the body
B)  difference between body temperature and ambient temperature
C)  internal insulation such as blubber
D)  external insulation such as feathers or fur
E)  bone densityF) A) and C)
G) A) and D)

Question 19

Which of these animals has the highest metabolic rate per unit body mass?

Accepted Answer

A)  shrew
B)  horse
C)  cat
D)  human
E)  elephantF) C) and D)
G) A) and E)

Question 20

Due to a mutation in a smooth muscle gene,the blood vessels in the skin of a certain strain of mouse become dilated when temperature falls below a certain point.Based on the likely outcome of this mutation,what precautions should the researchers take to maintain the health of their mice?

Accepted Answer

A)  The mouse room should be maintained at a cooler than normal temperature.
B)  The mouse room should be consistently maintained at a warm temperature.
C)  The mice will have weak muscles,and should be provided with exercise wheels.
D)  The mice will be susceptible to high blood pressure,and should not be provided with exercise wheels.E) C) and D)
F) B) and C)

Exam 41: The Animal Body and Principles of Regulation

Which of these factors would have the least effect on heat transfer processes in animals?

Correct AnswerverifiedShow Answer

Which of the following is most likely to function as a defense system?

Correct AnswerverifiedShow Answer

Which statement describes a home heating and cooling system that functions in a homeostatic way?

Correct AnswerverifiedShow Answer

When collagen is hydrolyzed it forms gelatin,the main ingredient of a jiggly dessert adored by children.What parts of a cow provide a rich source of collagen?

Correct AnswerverifiedShow Answer

Which of these animals has the highest metabolic rate per unit body mass?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following epithelial tissues secretes mucous and is dense with cilia?

Correct AnswerverifiedShow Answer

If the set point of the hypothalamus were to suddenly rise to 40°C (as in the induction phase of a fever) ,what would the initial response of the body be?

Correct AnswerverifiedShow Answer

Which of these is not a method used by ectotherms to affect body temperature?

Correct AnswerverifiedShow Answer

Which of the following types of epithelia would be likely to make up the tubules of the kidney?

Correct AnswerverifiedShow Answer

What are the cells that are specialized to produce and conduct electrochemical impulses called?

Correct AnswerverifiedShow Answer

If a mammal suffered damage to the temperature sensor in its brain,what would be the result?

Correct AnswerverifiedShow Answer

Goblet cell hyperplasia is associated with asthma.Based on their function,what is the likely outcome of an overabundance of goblet cells?

Correct AnswerverifiedShow Answer

Which of these methods of heat transfer is not relevant to biological systems?

Correct AnswerverifiedShow Answer

All connective tissues share which of the following structural features? I-contain cells II-contain a matrix filled with extracellular material III-contain sarcomere units

Correct AnswerverifiedShow Answer

Which of the following systems is NOT directly involved with regulation and maintenance of the body's chemistry?

Correct AnswerverifiedShow Answer

In adult vertebrates,which of these is not one of the four principal kinds of primary tissues?

Correct AnswerverifiedShow Answer

Why are epithelial membranes not very thick?

Correct AnswerverifiedShow Answer

Due to a mutation in a smooth muscle gene,the blood vessels in the skin of a certain strain of mouse become dilated when temperature falls below a certain point.Based on the likely outcome of this mutation,what precautions should the researchers take to maintain the health of their mice?

Correct AnswerverifiedShow Answer

Which of these is not part of loose connective tissue?

Correct AnswerverifiedShow Answer

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