Question 1

Which of the following is incorrectly matched?

Accepted Answer

A)  Simple cuboidal;kidney tubules
B)  Transitional epithelium;bladder
C)  Stratified squamous;esophagus
D)  Simple columnar;intestines
E)  Simple squamous;nasal passagesF) D) and E)
G) B) and C)

Question 2

Which of the following characteristics would be true of an epithelium specialized for exchange by diffusion (e.g. ,a respiratory epithelium) ?

Accepted Answer

A)  Thin with a relatively large surface area
B)  Thick with a relatively large surface area
C)  Thin with a relatively small surface area
D)  Thick with a relatively small surface area
E)  Thin with a small surface area/volume ratioF) None of the above
G) All of the above

Question 3

The human body's arterial blood pH is tightly maintained around 7.4 by buffering agents that bind hydrogen ions to stop any change in pH.If an acid-base imbalance overcomes the buffer system,the body changes the ventilation rate,or the rate at which gas enters or leaves the lungs.Changing the ventilation rate changes the concentration of CO2 in the blood,which alters the pH of the blood.In this case,the muscles that control the ventilation rate are acting as the:

Accepted Answer

A)  homeostatic challenge.
B)  sensor.
C)  effector.
D)  integrator.
E)  set point.F) None of the above
G) B) and D)

Question 4

In negative feedback,the variable being regulated is changed in the _______ direction,while in positive feedback the variable is changed in the ________ direction.

Accepted Answer

A)  same,opposite
B)  decreasing,increasing
C)  negative,positive
D)  inhibitory,stimulatory
E)  opposite,sameF) B) and D)
G) None of the above

Exam 31: Animal Bodies and Homeostasis

Correct Answer
verified

Which of the following characteristics would be true of an epithelium specialized for exchange by diffusion (e.g. ,a respiratory epithelium) ?

Correct Answer
verified

Which of the following is incorrectly matched?

Correct Answer
verified

In negative feedback,the variable being regulated is changed in the _ direction,while in positive feedback the variable is changed in the __ direction.

Correct Answer
verified

Exam 31: Animal Bodies and Homeostasis

Correct AnswerverifiedShow Answer

Which of the following characteristics would be true of an epithelium specialized for exchange by diffusion (e.g. ,a respiratory epithelium) ?

Correct AnswerverifiedShow Answer

Which of the following is incorrectly matched?

Correct AnswerverifiedShow Answer

In negative feedback,the variable being regulated is changed in the _______ direction,while in positive feedback the variable is changed in the ________ direction.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In negative feedback,the variable being regulated is changed in the _ direction,while in positive feedback the variable is changed in the __ direction.

Correct Answer
verified