An allergic response is different from a normal inflammation response in that it is a hypersensitivity reaction to a specific antigen, while a normal inflammation response is a non-specific response to tissue injury or infection.
What is the difference between allergic response and normal inflammation response?An allergic response involves the release of histamine and other mediators by mast cells and basophils, leading to vasodilation and increased permeability of blood vessels, resulting in the classic symptoms of allergy such as itching, hives, and swelling.
This response occurs when the body reacts to a foreign substance, such as pollen or certain foods, that it perceives as harmful. A normal inflammation response, on the other hand, occurs when there is tissue injury or infection.
It is a non-specific response that involves the release of chemical mediators such as prostaglandins and leukotrienes, leading to vasodilation and increased permeability of blood vessels, resulting in redness, warmth, swelling, and pain. This response is a necessary part of the immune system's response to injury or infection and is essential for healing.
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Which type of substance is an environmental contaminant that causes harm to living organisms?
______ are a symbiosis between a photosynthetic organism and a fungus.
While both systems maintain homeostasis, how does the nervous system differ from the endocrine system?
A normal systolic blood pressure for a 30-year-old is between:
______ are produced in growing areas, such as meristems at the tip of the shoot.
1.Auxins
2.Gibberellins
3.Cytokinins
4.None Of The Above
Hearing loss that occurs as a function of age is called _____.
a. aural ataxiac
b. presbycusis
c. anosmia
d. presbyopia
Final answer:
Hearing loss that occurs as a function of age is called presbycusis, a gradual bilateral condition caused by changes in the inner ear or auditory nerve. Presbycusis may go unnoticed initially and can often be treated with hearing aids.
Explanation:
Hearing loss that occurs as a function of age is called presbycusis. This condition is an age-related sensorineural hearing loss that results from degeneration of the cochlea or associated structures of the inner ear or auditory nerves. Presbycusis is gradual, often affects both ears, and tends to run in families. Individuals may not immediately realize that they have lost some hearing ability.
Options such as aural ataxia, anosmia, and presbyopia refer to other conditions and are not related to age-related hearing loss. Presbyopia, for instance, references age-related farsightedness and not hearing loss.
When addressing age-related hearing loss, hearing aids might be effective for treating sensorineural hearing loss, which includes presbycusis. Conductive hearing loss, on the other hand, results from issues with the vibration of the eardrum or movement of the bones in the middle ear, which differs from the inner ear and nerve issues associated with presbycusis.
describe and draw the structure of an amino acid
Muscle contraction that results in a change in joint angle is called
?a warming climate can lead to worldwide sea level change. this is an example of a(n) ____________ change in that it can be measured all over the world.
The ____________ urethra is a short segment that passes through a reproductive organ. it receives secretions from two ejaculatory ducts.
Prostatic Urtehra is the answer to this question.
During the fourth stage of labor, the nurse assesses the client’s fundal height and tone. when completing this assessment, the nurse performs which action to prevent prolapse or inversion of the uterus?
What type of macromolecule can move polar substances across membranes via facilitated diffusion and/or active transport?
A. What was the average number of tropical storms per season for the time period 2005-2014? B. What was the average number of hurricanes per season for the time period 2005-2014?
The correct answer is : The average number of tropical storms per season for the time period 2005-2014 was 19 and the average number of hurricanes per season for same period was 9 and major was 4.
What is called tropical storms?
If the circulation continues to intensify and the wind speeds exceed 63 km (39 miles) per hour, then the system is called a tropical stormOnce the maximum wind speed exceeds 119 km (74 miles) per hour, the storm is classified as a tropical cyclone.What is called hurricanes ?
Tropical cyclones with maximum sustained surface winds of less than 39 miles per hour (mph) are called tropical depressions. Those with maximum sustained winds of 39 mph or higher are called tropical storms. When a storm's maximum sustained winds reach 74 mph, it is called a hurricane.Learn more about storms below
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Final answer:
To find the average number of tropical storms and hurricanes per season from 2005-2014, sum up the total number of events over the 10 years and divide by 10. The specific averages depend on real data from meteorological records.
Explanation:
To answer the question regarding the average number of tropical storms and hurricanes per season from 2005-2014, we would first need data specifying the total numbers of tropical storms and hurricanes for each year within that timeframe. Since specific data is not provided within the question, I’ll guide you through the general approach to calculating averages.
Firstly, you would sum up the total number of tropical storms (or hurricanes) that occurred over the 10-year period. Then, divide that sum by the number of years (10 in this case) to find the average per year. The formula for the average (‘A’) would look like this: A = Total Number of Events / Number of Years.
For example, if there were 150 tropical storms in total from 2005 to 2014, the average number of tropical storms per season would be calculated as follows: 150 (total tropical storms) / 10 (years) = 15. Thus, the average would be 15 tropical storms per season. Apply the same method to calculate the average number of hurricanes per season.
Note that the actual average would depend on the specific totals for each year, so you would need to consult meteorological records to obtain the precise numbers for tropical storms and hurricanes during 2005-2014.
Mendel studies seven different traits in the garden pea. what genetic term is used to describe an observable trait, such as those studied by mendel?
The _____________ makes(s) up most of the VOLUME of an atom.
phytoplankton play an important role in which following biogeochemical cycles
Answer:
phosphorus cycle
How is light used in photosynthesis reddit?
Been searching but most sources say it uses 'sunlight' or 'light energy'. I want to know exactly which kind of light it is. Can you technically shine a UV lamp onto a plant and promote photosynthesis?
Answer:
Light provides energy for the synthesis of glucose from carbon dioxide and water during photosynthesis. ... During light reaction, the chlorophyll entraps light and the solar energy is converted into chemical energy in the form of ATP molecules.
Explanation:
Which of the following is an example of how a scientist might use a model?
Question 5 options:
Stopwatches measure the amount of time it takes for a swimmer to go one lap in the pool.
A saw is used to cut a board in half.
Marbles placed inside a hollow sphere are used to describe protons in a nucleus.
A telescope is used to see the moons orbiting Jupiter.
What is being signaled when you hear 5 short blasts from another vessel’s horn?
The minimal amount of nutrients needed every day by healthy people to prevent nutrient deficiencies is called the
at what depth would organism that rely on infrared light most likely be found in the ocean
at the top I think but I could wrong
Answer:
The correct answer is epipelagic zone of the ocean.
Explanation:
The species that depend upon infrared light would most probably be witnessed in the epipelagic zone of the ocean, that is, at the depth of 10 to 15 meters. The epipelagic zone is the first and the foremost zone, and it is more shallow in comparison to the other zones. As it is near to the surface, thus, it obtains more light.
The study of how genes are transferred from the parents to their children is known as
What does the presence of homologous structures in different organisms suggest? A.) similar movement B.) common ancestry C.) similar habitat D.) common distribution
The presence of homologous structures in different organisms suggests common ancestry. Therefore option B is correct.
Homologous structures are anatomical features found in different species that share a similar underlying structure but may have different functions.
These similarities are best explained by evolutionary theory, which proposes that all life on Earth shares a common ancestor.
Over time, as species diverged through the process of evolution, modifications occurred in their shared ancestral structures to suit their respective environments and functions.
The presence of homologous structures provides compelling evidence for the relatedness of organisms and their evolutionary history, supporting the idea that they have descended from a common ancestor.
Therefore option B is correct.
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Final answer:
Homologous structures indicate a common ancestry (option B) among organisms, as they are similar anatomical features that have evolved from the same embryonic origin, highlighting an evolutionary relationship despite potential differences in function.
Explanation:
The presence of homologous structures in different organisms suggests a common ancestry (option B). These structures are similar anatomical features found in different species that have developed from the same embryonic origin due to evolutionary history, despite potentially serving different functions in each species. For example, the bones in the forelimbs of mammals, such as wings in bats, fins in whales, or arms in humans, are considered homologous because they share a common structural pattern that has been adapted for various functions like flying, swimming, or grasping. This supports the idea that these species share a common ancestor. An important distinction is that homologous structures differ from analogous structures, which are features in different species that have similar functions but did not originate from a common ancestor, usually evolving independently in response to similar environmental challenges.
give an example of a scientific question that could be investigated by and experiment
Where the highlighted vessel bifurcates there are structures that monitor co2 and o2 concentration in the blood. what are these structures called?
The structures that monitor CO2 and O2 concentration in the blood at the site of vessel bifurcation are called chemoreceptors.
Carotid Bodies:
These are small clusters of chemoreceptors located near the bifurcation of the common carotid artery, typically on both sides of the neck.
They are sensitive to changes in the levels of oxygen, carbon dioxide, and pH in the blood.
Aortic Bodies:
The aortic bodies are another set of chemoreceptors situated near the aortic arch, which is a major bifurcation point for blood vessels.
They are responsive to similar changes in blood chemistry, detecting alterations in oxygen, carbon dioxide, and pH levels.
The chemoreceptors present in these areas continuously monitor the blood passing through these vessels. They are particularly sensitive to changes in arterial blood gases, including oxygen and carbon dioxide levels.
When there is a deviation from normal levels, these chemoreceptors send signals to the brain, primarily the medulla oblongata, to regulate breathing and maintain appropriate gas exchange in the lungs.
This regulatory mechanism helps to ensure that the body receives sufficient oxygen and removes excess carbon dioxide, crucial for maintaining acid-base balance and supporting overall physiological functions.
The chemoreceptors' ability to promptly respond to changes in blood chemistry contributes to the body's ability to adapt to various physiological conditions, such as exercise, altitude changes, or respiratory distress.
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The structures that monitor the concentration of carbon dioxide and oxygen in the blood are chemoreceptors. These are mostly found in the aortic and carotid bodies and communicate changes in the levels of oxygen, carbon dioxide, and hydrogen ions (pH) to the cardiovascular and respiratory centers in the brain.
Explanation:The structures that monitor carbon dioxide (CO2) and oxygen (O2) concentration in the blood at the site where the highlighted blood vessel bifurcates are called chemoreceptors. These can primarily be found in the aortic and carotid bodies, which are closely situated to the baroreceptors in the aortic and carotid sinuses. These chemoreceptors contribute to vascular homeostasis by monitoring levels of oxygen, carbon dioxide, and hydrogen ions (pH). They communicate changes in these levels to the cardiovascular center and the respiratory centers located in the medulla oblongata of the brain. As per the Bohr effect, an increase in CO2 concentration or a decrease in pH or O2 concentration in the blood would stimulate these chemoreceptors to induce corrective measures, primarily through altering the respiration rate.
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when an automotive battery is fully charged the sulfuric acid and water mixture will have specific gravity of about?
A. 2.5 B. 1.0 C. 0.15 D. 1.3
The correct answer is (d) 1.3
Specific gravity can be defined as the ratio of the substance density which has to be compared to the density of a standard usually it is water. If the specific density of water is 1 and the specific density of sulfuric acid is 1.835 which means that sulfuric acid is 1.835 times heavier than water. The electrolyte of a storage battery is a mixture of sulfuric acid and water.The specific gravity of sulfuric storage battery changes with amount of electrical charge.
Hence, by mixing both water and sulfuric acid the specific gravity of automotive battery is kept 1.3 at 80°F.
Study the figure below and predict which of the following components would best indicate the overall biotic health of an aquatic ecosystem?
A.) Particulate amounts
B.) Sedimentation rates
C.) Species abundance
D.) Water quality
Nervous tissue forms nerves that vary in length. The flexibility of nerve length allows communication to occur between regions of the body that are very close to each other, or very far away from each other. One example of a very long nerve is the sciatic nerve, which runs from the spinal cord to the toes and is approximately one meter long. Which of the following is supported by the passage?
A. Only distant regions would communicate using nervous tissue
B. Only nearby regions would communicate using nervous tissue
C.Both distant and nearby regions would communicate using nervous tissue
D. Neither distant nor nearby body regions would communicate using nervous tissue
________ indicates kidney pathology because it is not found in urine normally. glucose sodium urea nitrogen
An all-or-none response pattern is characteristic of the