ANSC 3270 Midterm 1 Exam Questions
With Correct Answers
What is a stressor? - CORRECT ANSWER✔✔-something that disrupts
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homeostasis in an organism and elicits a stress response
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What is a stress response - CORRECT ANSWER✔✔-involves activation of
| | | | | | | | | |
multiple physiological systems during perceived danger
| | | | |
How does a stress response manifest - CORRECT ANSWER✔✔-as a fight,
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flight or freeze response
| | | |
What is short-term stress response designed to do - CORRECT
| | | | | | | | | |
ANSWER✔✔-enhance survival of an organisms by restoring | | | | | | |
physiological homeostasis |
How is a stress sensory input relayed to the brain (3) - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-through neural transmitters, endocrine hormones and| | | | | |
immune cytokines |
,How is variation in stress response determined by (3) and how are they
| | | | | | | | | | | | |
regulated - CORRECT ANSWER✔✔-determined by genetics,
| | | | | |
environmental factors, and gene-by-environment interactions.
| | | | |
Regulated by epigenetics mechanisms
| | |
What is a resilient animal to stress - CORRECT ANSWER✔✔-they are
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able to resist, cope, or completely recover from perceived danger
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What happened if an animal is sensitized to a stressor - CORRECT
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ANSWER✔✔-can lead to hyper-responsiveness to the same stressor or
| | | | | | | | |
other stressors during subsequent exposure
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What are 3 examples of physical stressors - CORRECT ANSWER✔✔-
| | | | | | | | |
Heat, cold, climate change
| | |
What is an example of a chemical stressor - CORRECT ANSWER✔✔-
| | | | | | | | | |
mycotoxins
What is an example of a biological stressor (4) - CORRECT ANSWER✔✔-
| | | | | | | | | | |
bacteria, fungi, virus, parasite
| | |
infectious stressor |
,What is an example of a physiological stressor - CORRECT ANSWER✔✔-
| | | | | | | | | |
weaning
What was found to be the most infectious time of the year for the
| | | | | | | | | | | | | |
haemonchus contortus in european sheep? Why? - CORRECT
| | | | | | | |
ANSWER✔✔-Jul, Aug, Sept. The parasite can grow in the growing grass, | | | | | | | | | | |
which the sheep eat, and get infected from
| | | | | | |
What is Q0 - CORRECT ANSWER✔✔-Potential infection pressure
| | | | | | |
How does CO2 relate to infection pressure - CORRECT ANSWER✔✔-
| | | | | | | | |
believed that as CO2 increases, so does the infection pressure
| | | | | | | | |
The time of day regulates what 2 viruses in mice - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Herpes and influenza | |
How does a viral infection worsen in the body - CORRECT ANSWER✔✔-
| | | | | | | | | | |
when circadian rhythm is abolished by disruption of a key circadian
| | | | | | | | | | |
clock gene |
What is the key circadian clock gene - CORRECT ANSWER✔✔-BMAL 1
| | | | | | | | | |
, How does BMAL 1 change in humans during the year - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-blood concentration decreases in the winter, and can be | | | | | | | | |
correlated to the increased risk of infection during the winter
| | | | | | | | |
What is the most critical component to animal management in regards
| | | | | | | | | | |
to stressors - CORRECT ANSWER✔✔-matching animals to their
| | | | | | | |
environment. Miss-match can lead to stress and may increase risk of
| | | | | | | | | | |
disease
What is the most appropriate breed for a dog in an apartment -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-Cavalier King Charles Spaniel
| | | |
what is the best dairy breed if you want to increase dairy production in
| | | | | | | | | | | | | |
Brazil - CORRECT ANSWER✔✔-Holstein/Gir cross
| | | |
What breed would you use to increase resistance to gastrointestinal
| | | | | | | | | |
parasites in sheep? - CORRECT ANSWER✔✔-Gulf Coast
| | | | | |
What fish species grows well in warm water - CORRECT ANSWER✔✔-
| | | | | | | | | |
tilapia
What are the 2 different stress axes - CORRECT ANSWER✔✔-1.
| | | | | | | | | |
sympathetic-adrenal-medullary (SAM) |
2. hypothalamic-pituitary-adrenal-cortex (HPA)
| |
With Correct Answers
What is a stressor? - CORRECT ANSWER✔✔-something that disrupts
| | | | | | | | |
homeostasis in an organism and elicits a stress response
| | | | | | | |
What is a stress response - CORRECT ANSWER✔✔-involves activation of
| | | | | | | | | |
multiple physiological systems during perceived danger
| | | | |
How does a stress response manifest - CORRECT ANSWER✔✔-as a fight,
| | | | | | | | | |
flight or freeze response
| | | |
What is short-term stress response designed to do - CORRECT
| | | | | | | | | |
ANSWER✔✔-enhance survival of an organisms by restoring | | | | | | |
physiological homeostasis |
How is a stress sensory input relayed to the brain (3) - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-through neural transmitters, endocrine hormones and| | | | | |
immune cytokines |
,How is variation in stress response determined by (3) and how are they
| | | | | | | | | | | | |
regulated - CORRECT ANSWER✔✔-determined by genetics,
| | | | | |
environmental factors, and gene-by-environment interactions.
| | | | |
Regulated by epigenetics mechanisms
| | |
What is a resilient animal to stress - CORRECT ANSWER✔✔-they are
| | | | | | | | | | |
able to resist, cope, or completely recover from perceived danger
| | | | | | | | |
What happened if an animal is sensitized to a stressor - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-can lead to hyper-responsiveness to the same stressor or
| | | | | | | | |
other stressors during subsequent exposure
| | | |
What are 3 examples of physical stressors - CORRECT ANSWER✔✔-
| | | | | | | | |
Heat, cold, climate change
| | |
What is an example of a chemical stressor - CORRECT ANSWER✔✔-
| | | | | | | | | |
mycotoxins
What is an example of a biological stressor (4) - CORRECT ANSWER✔✔-
| | | | | | | | | | |
bacteria, fungi, virus, parasite
| | |
infectious stressor |
,What is an example of a physiological stressor - CORRECT ANSWER✔✔-
| | | | | | | | | |
weaning
What was found to be the most infectious time of the year for the
| | | | | | | | | | | | | |
haemonchus contortus in european sheep? Why? - CORRECT
| | | | | | | |
ANSWER✔✔-Jul, Aug, Sept. The parasite can grow in the growing grass, | | | | | | | | | | |
which the sheep eat, and get infected from
| | | | | | |
What is Q0 - CORRECT ANSWER✔✔-Potential infection pressure
| | | | | | |
How does CO2 relate to infection pressure - CORRECT ANSWER✔✔-
| | | | | | | | |
believed that as CO2 increases, so does the infection pressure
| | | | | | | | |
The time of day regulates what 2 viruses in mice - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Herpes and influenza | |
How does a viral infection worsen in the body - CORRECT ANSWER✔✔-
| | | | | | | | | | |
when circadian rhythm is abolished by disruption of a key circadian
| | | | | | | | | | |
clock gene |
What is the key circadian clock gene - CORRECT ANSWER✔✔-BMAL 1
| | | | | | | | | |
, How does BMAL 1 change in humans during the year - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-blood concentration decreases in the winter, and can be | | | | | | | | |
correlated to the increased risk of infection during the winter
| | | | | | | | |
What is the most critical component to animal management in regards
| | | | | | | | | | |
to stressors - CORRECT ANSWER✔✔-matching animals to their
| | | | | | | |
environment. Miss-match can lead to stress and may increase risk of
| | | | | | | | | | |
disease
What is the most appropriate breed for a dog in an apartment -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-Cavalier King Charles Spaniel
| | | |
what is the best dairy breed if you want to increase dairy production in
| | | | | | | | | | | | | |
Brazil - CORRECT ANSWER✔✔-Holstein/Gir cross
| | | |
What breed would you use to increase resistance to gastrointestinal
| | | | | | | | | |
parasites in sheep? - CORRECT ANSWER✔✔-Gulf Coast
| | | | | |
What fish species grows well in warm water - CORRECT ANSWER✔✔-
| | | | | | | | | |
tilapia
What are the 2 different stress axes - CORRECT ANSWER✔✔-1.
| | | | | | | | | |
sympathetic-adrenal-medullary (SAM) |
2. hypothalamic-pituitary-adrenal-cortex (HPA)
| |
