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MCB Biology Exam 3 Study Guide-Questions with Verified Answers 100% Accuracy
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MCB Biology Exam 3 Study Guide-Questions with Verified Answers 100% Accuracy
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MCB Biology Exam 3 Study Guide-Questions with Verified Answers 2024
100% Accuracy
which is more potent: endotoxins or exotoxins? - Correct Answers
endotoxins
these can give new gene sequences to a host cell - Correct Answers
bacteriophages
what causes symptoms of intense inflammation and shock in some gram
positive bacterial infections? - Correct Answers super antigens
infections with some viruses can induce - Correct Answers chromosomal
changes
what contributes to symptoms of a fungal disease - Correct Answers
allergic response, metabolic products, toxins, capsules
toxins sometimes found in grains contaminated with fungi - Correct
Answers ergot, aflatoxins
many pathogens use the same portal for entry and exit - Correct Answers
true
protein toxin released form living bacterial cells - Correct Answers
exotoxins
exotoxins are mainly gram - Correct Answers positive
when are exotoxins secreted - Correct Answers log phase
what makes exotoxins? - Correct Answers bacteria
endotoxins or exotoxins: which can be released during lists of cell - Correct
Answers both
,toxin that is a part of gram negative bacteria Lipid A - Correct Answers
endotoxin
endotoxins are lipids found - Correct Answers within a bacteria cell
endotoxins are always in gram - Correct Answers negative
these cause macrophages to release cytokines (immune response cells) in
such high amounts they become toxic - Correct Answers endotoxins
what are endotoxins a part of - Correct Answers lipid A
toxins that are destructive to nerve tissue - Correct Answers neurotoxins
neurotoxins can ruin - Correct Answers interneuron communication,
membrane disruption
a toxin produced in or affecting the intestines - Correct Answers
enterotoxin
plasma encoded (or chromosome encoded) exotoxins that affect the
intestine - Correct Answers enterotoxins
these toxins form pores in cell membrane - Correct Answers enterotoxins
cytotoxic because they alter permeability of epithelial (membrane) cells in
small intestine - Correct Answers enterotoxins
what causes enterotoxins - Correct Answers bacteria
if enterotoxins cause the membrane of epithelial cells to be too permeable,
the cells - Correct Answers die
an enterotoxin is made of - Correct Answers plasma encoded exotoxins
endotoxins can cause - Correct Answers blood clotting proteins
what condition occurs because of blood clotting proteins - Correct
Answers disseminated intravascular coagulation
, any life threatening loss of blood pressure - Correct Answers shock
sudden drop in blood pressure caused by bacterial toxins - Correct
Answers septic shock
endotoxins do not cause this to be made - Correct Answers antitoxins
change in body function because of disease - Correct Answers symptom
change due to a disease that can be observed and measured by others -
Correct Answers signs
symptoms or signs that always accompany a particular disease - Correct
Answers syndrome
list 5 stages of disease in order - Correct Answers 1. incubation period
2. prodromal period
3. period of illness
4. period of decline
5. period of convalescence
stage of disease
interval between initial infection and first appearance of signs/symptoms -
Correct Answers incubation period
stage of disease
short period after incubation where mild symptoms/signs occur - Correct
Answers prodromal period
stage of disease
most severe of disease with the strongest symptoms - Correct Answers
period of illness
when does the period of illness end - Correct Answers immune system
destroys pathogens
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