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Exam 31: Animal Bodies and Homeostasis

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Question 21

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Salmon are able to live in both fresh water and salt water.Salmon are therefore:

A) conformers.
B) regulators.
C) conditioned.
D) effectors.

E) A) and C)
F) B) and C)

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Question 22

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Small birds must eat more frequently than large birds in order to maintain their body temperature.This is because:

A) small birds are cold-blooded.
B) small birds have a lower surface area to volume ratio than large birds.
C) small birds have a higher surface area to volume ratio than large birds.
D) large birds are cold-bloodeD.

E) B) and C)
F) A) and B)

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Question 23

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Insulin is a peptide hormone that controls the level of glucose in the blood.It is released from the pancreas as soon as you eat,even before blood glucose levels rise.This is an example of:

Newborn humans face thermoregulatory challenges as do small mammals.One mechanism they use to generate heat is

You can be outside on an day where the air temperature is 85^oF for hours without getting cold.However,you will get cold in 85^oF water before too long unless you are very active.This difference is due to

The readout recorded in Pavlov's experiments on learning and feedforward regulation was:

Which major tissue type exhibits the shortening of its cells (i.e. ,contraction) as a major function?

Cardiac muscle is under voluntary control.

After a meal,ectotherms often situate themselves in a warm and or sunny spot.This can be critical to the health of the animal.Why is this process important?

Which of the following tissue types is specialized to conduct electrical signals?

The most common measurement of energy in biological systems is the kilocalorie.This is the amount of energy that would be required to raise the temperature of what quantity of water one degree Celsius?

The best terms for a fish whose body temperature varied between 4^oC during the day when it is in deep,cold ocean waters and 26^oC during the night when it comes to the surface to feed would be

Interstitial cystitis is a painful condition characterized by bladder pain and chronic inflammation of the bladder wall.Interstitial cystitis is a disease of the:

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,pH 7.4 is the:

In scleroderma,patients develop a buildup of collagen in their organs.Scleroderma is a disease of what tissue type?

In the blood clotting process,platelets arrive at the site of damage and start secreting substances to attract more platelets.More platelets arrive at the site and secrete attractants to recruit more platelets.This is an example of:

In homeostatic control,the _________ compensates for any deviation between the actual value and the set point.In body temperature regulation in mammals,this function is carried out by __________.

The inner mitochondrial membrane contains numerous inward folds called cristae,which greatly increase the surface area of this membrane.Because ATP is produced on the inner mitochondrial membrane,cristae enhance the ability of the mitochondria to generate ATP.What structure can be thought of as similar to these cristae?

Which of the following lists the organization of a mammalian body from least to most complex?

When body temperature drops below normal,a person starts shivering uncontrollably.This is an example of negative feedback.