Question

In some vertebrates, fever is a mechanism by which elevated body temperature can reduce the rate at which infectious pathogens grow and reproduce. Which of the following is not true of fever? O Fever is a temporary elevation in the "set point" for body temperature, so mechanisms of thermogenesis like shivering can help raise body temperature to the new set point. O Some species of thermoregulating ectotherms, like some lizards, "induce" fever by spending more time at warmer temperatures during temperature shuttling after they've acquired a pathogenic bacterial infection. O Fever is a failure to maintain homeostasis, and fevers occur when animals have lost the ability to regulate body temperature.

          In some vertebrates, fever is a mechanism by which elevated body temperature can reduce the rate at which infectious pathogens grow and reproduce. Which of the following is not true of fever?
O Fever is a temporary elevation in the "set point" for body temperature, so mechanisms of thermogenesis like shivering can help raise body temperature to the new set point.
O Some species of thermoregulating ectotherms, like some lizards, "induce" fever by spending more time at warmer temperatures during temperature shuttling after they've acquired a pathogenic bacterial infection.
O Fever is a failure to maintain homeostasis, and fevers occur when animals have lost the ability to regulate body temperature.

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in some vertebrates fever is a mechanism by which elevated body temperature can reduce the rate at which infectious pathogens grow and reproduce which of the following is not true of fever o 28232

Added by Gonzalo R.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

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Solved by Expert Suman K

07/05/2022

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The question asks to identify the statement that is NOT true about fever, given the context that fever is a mechanism to reduce pathogen growth and reproduction. Show more…

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In some vertebrates, fever is a mechanism by which elevated body temperature can reduce the rate at which infectious pathogens grow and reproduce. Which of the following is not true of fever? O Fever is a temporary elevation in the "set point" for body temperature, so mechanisms of thermogenesis like shivering can help raise body temperature to the new set point. O Some species of thermoregulating ectotherms, like some lizards, "induce" fever by spending more time at warmer temperatures during temperature shuttling after they've acquired a pathogenic bacterial infection. O Fever is a failure to maintain homeostasis, and fevers occur when animals have lost the ability to regulate body temperature.

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00:01 We have a sequence of events given here that occurs at the time of fever in the body.

00:09 So we need to arrange those events in other chronological order, like how the fever occurs or what all the changes happening in the body.

00:18 Okay, so let's start with the first event that occur when there is a fever.

00:25 So when there is a fever, there is an entree of pathogen first of all.

00:28 So when there is a pathogen entry, then only body will show its immune response where the fever is one of its immune responses.

00:37 Correct.

00:38 So assuming that there is an entry of pathogens, the sentence b would come in the first step or the first sequence that the neutrophils means they are macrophagocytes actually the neutrophiles and macrophages.

01:02 Which are phagocytes will secret a fever producing substance known as pyrogy.

01:12 So this is the first thing that is going to happen.

01:15 Later on, the g statement, that is that pyrogyn will now stimulate the hypothalamus, the anterior portion of hypothalamus, hypothalamus to secret progestaglandine e, which is also.

01:35 Known as pge.

01:37 So, hypothalamus is a temperature regulator, correct? so upon secretion of pge, next is the f statement.

01:47 The body will start shivering.

01:50 So there are shivers and chills seen in the body because of the constriction in blood vessel over the skin.

02:03 Blood vessel will start to constrict.

02:06 So there will be cold, chills and shivers.

02:12 Next sequence comes is that the a statement...

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