due to a severe hemorrhage, the stretch in the aorta will be decreased with each heartbeat. what reflex will result?
Answers
Due to a severe hemorrhage, skin blood arteries will expand to produce a compensatory increase in flow as baroreceptors and the vasomotor centre fire more frequently.
An acute blood loss from a broken blood vessel is called a haemorrhage. Minor bleeding can occur when the skin's superficial blood vessels are harmed, which can result in petechiae and ecchymosis. It can also have a considerable impact, resulting in a constellation of symptoms that is more unclear and includes changes in vital signs and disturbed mental status. Both internal and external haemorrhaging are possible.
External bleeding can come from a traumatised wound or a bodily orifice. High clinical suspicion for internal bleeding must be established through a comprehensive history and physical examination, laboratory investigations, imaging, and careful observation of vital signs. Particularly in the population suffering from acute trauma, haemorrhage is a primary factor in possibly avoidable fatalities.
To learn more about hemorrhage, refer:
https://brainly.com/question/7276342
#SPJ4
Related Questions
increased parasympathetic stimulation select one: a. dilates the pupils. b. increases heart rate. c. dilates blood vessels in the arms and legs. d. increases sweat. e. increases gastric motility.
Answers
The correct answer is:
e. increases Gastric motility.
Increased parasympathetic stimulation is associated with the "rest and digest" response, which conserves energy and promotes digestion. Parasympathetic stimulation has several effects on the body:
a. Constricts the pupils, not dilates. This occurs to protect the eyes from excessive light and improve close-up vision.
b. Decreases heart rate, not increases. This happens to conserve energy and reduce the strain on the heart.
c. Does not specifically dilate blood vessels in the arms and legs, but it does promote vasodilation in the digestive system to support nutrient absorption.
d. Does not directly increase sweat, but it can influence glands to secrete saliva and digestive enzymes.
e. Increases gastric motility. This is the main function of parasympathetic stimulation in the digestive system, as it promotes peristalsis and the efficient movement of food through the gastrointestinal tract.
To Learn More About Gastric
https://brainly.com/question/29034901
SPJ11
In the bacterial transformation experiment, what is the primary purpose of using an ampicillin-containing medium
Answers
The primary purpose of using an ampicillin-containing medium in the bacterial transformation experiment is to select for cells that have successfully taken up the plasmid containing the ampicillin resistance gene.
Ampicillin is an antibiotic that inhibits bacterial cell wall synthesis, but cells with the ampicillin resistance gene can produce an enzyme called beta-lactamase that breaks down the ampicillin molecule, allowing the cells to grow in the presence of the antibiotic.
Therefore, cells that have taken up the plasmid with the ampicillin resistance gene will be able to survive and form colonies on the ampicillin-containing medium. This selective pressure helps to identify and isolate transformed cells that have incorporated the desired genetic material.
To know more about bacterial, visit:
https://brainly.com/question/30004230
#SPJ11
you have learnt that forest lead to groundwater recharge but don't you think that groundwater should decrease as plant would absorb lots of water?
Answers
Answer:
No raining will refill it
hope it helps
pls mark me as the brainliest
thank u
Explanation:
7: The length of swimming pools is measured in two increments. What are the increments
Answers
Answer:
meters and yards
Explanation:
used to measure swimming pools. In the Olympic Games, and other international competitions such as the Goodwill Games, pools are measured in meters.
The length of swimming pools is measured in METERS and YARDS.
A swimming pool is generally a rectangle, which is filled with water to be used for recreational and/or competitive swimming.In the US, swimming pools generally have 25 yards (22.86 meters), 25 meters, or 50 meters (long course).In swimming pools, the abbreviation SCY indicates short course yards (25 yards), SCM indicates short course meters (25 meters), and LCM indicates long course meters (50 meters).In conclusion, the length of swimming pools is measured in METERS and YARDS.
Learn more in:
https://brainly.com/question/11772732
Which part of the microscope is needed to be adjusted to have better contrast when viewing a specimen under the microscope?
Answers
part of the microscope is needed to be adjusted to have better contrast when viewing a specimen under the microscope is condenser.
A microscope is a lab tool used to study items that are too small to be seen with the human eye. The study of small structures and objects under a microscope is known as microscopy. Microscopic refers to something that, without the use of a microscope, is undetectable to the eye. There are many distinct kinds of microscopes, and they can be categorised in several ways. One option is to explain how an instrument interacts with a sample and generates images, for as by passing an electron or light beam past the sample in its optical path, measuring photon emissions from the sample, etc.
learn more about microscope here
https://brainly.com/question/18661784
#SPJ4
pulsed gtaw is a variation where the ____________ is pulsed.
Answers
Pulsed GTAW (Gas Tungsten Arc Welding) is a variation of the GTAW process in which the welding current is pulsed.
In GTAW, an electric arc is established between a tungsten electrode and the workpiece to melt the base metal, while a shielding gas is used to protect the weld from atmospheric contamination.
In pulsed GTAW, the welding current is controlled by a pulse generator, which produces a series of high and low-current pulses that alternate at a specific frequency. During the high current pulse, the arc melts the base metal, and during the low current pulse, the arc is extinguished, allowing the weld pool to cool and solidify.
The pulsing of the welding current has several benefits, including reducing heat input, improving control over the weld pool, and reducing the likelihood of weld defects such as cracking or distortion. Additionally, pulsed GTAW can be used to weld thinner materials that would be difficult to weld using the conventional GTAW process.
To learn more about GTAW
https://brainly.com/question/28507171
#SPJ4
A fatty acid is comprised of a long hydrocarbon tail and a head consisting of
a. hydroxyl group
b. carboxyl group
c. phosphate group
d. amino group
Answers
A fatty acid is an organic acid that is made up of a long hydrocarbon tail and a head consisting of a carboxyl group.
Here, correct option is B.
The hydrocarbon tail is usually made up of between 12 and 22 carbon atoms that can be saturated or unsaturated and is usually single-bonded to hydrogen atoms. The carboxyl group at the head of the fatty acid consists of an oxygen atom double-bonded to a carbon atom, with the carbon atom being single-bonded to two hydrogen atoms.
This head group is what gives the fatty acid its acidity and makes it reactive. The carboxyl group is also what allows fatty acids to form a variety of compounds by reacting with other molecules. Fatty acids are found in all living cells and are essential components of cell membranes, as well as being used in energy storage and as hormones.
Therefore, correct option is B.
know more about carboxyl group here
https://brainly.com/question/2437512#
#SPJ11
What is homeostasis (full explanation no copy right plz)
Answers
Answer:
Homeostasis is the ability to keep a stable internal state, despite changes in the environment. All living organisms must regulate their internal environment to process energy and survive. Hope it helps
A scientist is observing an organism under the microscope. The organism was found in salt water, is multicellular, and its cells do not have nuclei. What is most likely true about the organism based on this information?
Answers
Answer:
I think the options should be:
It is a protist because it is microscopic.
It is not a protist because its cells do not have nuclei.
It is not a protist because it is multicellular.
It is a protist because it is found in salt water.
If correct, then the answer is option B
Explanation:
The above information about the organism can confirm that the organism is not a protist because it does not possess nuclei. It could be a prokaryote but these are not multicellular but can only be under the condition that maybe each prokaryotic cell aggregates and exist as a colony.
Answer:
the answer is its a protis bc its microscopic .
Explanation:
pls mark me brainlist
Fernando is looking at a cell under a microscope, and he thinks it is a plant cell. Which of the following questions could he ask to determine whether or not it is a plant cell?
Answers
Answer:
Well, first he could look at the cell wall. Animal cells don't have cell walls, so if he saw one he could say it was a plant cell. Plant cells also have chloroplasts, which animal cells don't have. So he could ask : Are there any cell walls in the cell? and Are there any chloroplasts present?
Explanation:
I need someone find a Name for each species (from the Tropical Rainforest)
Invasive species:
Indicator species:
Native species:
Answers
Native species are species that are native to a particular ecosystem. Indicator species are tools for understanding and managing the health of ecosystem. Invasive species are non-native species that have been introduced to a new environment.
Examples of native species in a tropical rainforest include the red maple tree, which is native to eastern North America and is an important source of food and shelter for many species of animals, and the eastern gray squirrel, which is native to North America and is an important seed disperser in many forests. All other examples also given below.
These species have evolved in response to the specific environmental conditions of the ecosystem and have developed unique adaptations to survive in that environment. When discussing species in a tropical rainforest, it is important to consider whether they are invasive, indicator, or native species.
Invasive species are non-native species that have been introduced to a new environment and have the ability to outcompete native species for resources. Invasive species can cause significant harm to the ecosystem by altering the balance of species and disrupting the natural processes that maintain the ecosystem.
Some examples of invasive species in a tropical rainforest include lionfish, which are native to the Indo-Pacific but were introduced to the Atlantic Ocean and have become a invasive species there, and kudzu, which is native to Japan but was introduced to the United States.
Indicator species are species that can be used to indicate the health of an ecosystem. These species can be used to monitor changes in the ecosystem over time and to identify potential threats to the ecosystem. For example, the tiger swallowtail butterfly is an indicator species in a tropical rainforest because it is sensitive to changes in the environment and can be used to monitor the health of the ecosystem.
To know more about ecosystem .visit:-
https://brainly.com/question/31459119
#SPJ11
PLEASE ITS ALREADY LATE PLEASE HELPPPP
Given these origins of the word transcription trans + script, why do you think scientists named the
process that way?
Answers
to scripe is to rewrite trans is to make . simply means there is a message written for the formation of something (the protein) that message is written or performed based on previous information
How does affluence impact the environment?
Answers
Answer:
Such a lifestyle leads to unnecessary depletion of resources. Such affluence has terrible consequences for the environment. Affluent societies have the financial means to invest in technological research that can reduce pollution and other forms of consumer waste. Wealthier nations tend to have cleaner air and water.
Hope I helped! :)
In the process of respiration, energy is released from ______
molecules and stored in smaller ______ molecules.
A. protein, ATP
B. food, glucose
C. lipids, triglycerides
D. glucose, ATP
Answers
Answer:
The answer is option D.
Hope this helps you
Answer:
In the process of respiration, energy is released from glucose molecules and stored in smaller ATP molecules.
Explanation:
Among carbohydrates, protein and fat, carbohydrates are metabolized first on respiration.
Glucose first breaks into pyruvic acid (Glycolysis) Pyruvic acid forms acetyl coA (Link reaction) Acetyl coA enters into the kreb cycle, where ATP is formed. ATP formed through substrate level phosphorylation (direct ATP) and Electron transport chain (indirect ATP). NADH2 and FADH2 formed during respiration enters into ETC where they form ATP through oxidative phosphorylation.Thus, we can say that the correct option is D. Glucose, ATP.
Learn more about cellular respiration here:
https://brainly.in/question/14886926
why do cells a maximum diameter of slightly 100 micrometer
Answers
Cells have a maximum diameter of slightly over 100 micrometer due to chemicals or mutation.
Why cells have a maximum diameter of slightly over 100 micrometer?Prokaryotic cells diameter ranges from 0.1 to 5.0 micrometers (μm) which are smaller than eukaryotic cells, which have diameters ranging from 10 to 100 μm.
Some cells have attain the diameter of over 100 micrometer which may be due to mutation or exposure to chemicals so we can conclude that Cells have a maximum diameter of slightly over 100 micrometer due to chemicals or mutation.
Learn more about cell here: brainly.com/question/13123319
which describes how mRNA is used by a cell?
A it is used to stop toxins from entering the nucleus
B it is used to prevent mutations in DNA
C it is used to transfer info to the ribosome
D it is used to replicate DNA for meiosis
Answers
Answer:
C it is used to transfer info to the ribosome
Explanation:
The ribosome is responsible for the production of proteins, so when mRNA enters a cell, the code is sent to the ribosome so that it can begin constructing the proteins.
If your aim was to use αα-amanitin to shut down 85 percent of transcription by RNA polymerase II, roughly what concentration of αα-amanitin would you use? Note that the scale on the x-axis of the graph below is logarithmic rather than linear, and each tick mark shows a tenfold higher concentration.
Answers
Alpha-amanitin is a toxin produced by the death cap mushroom that inhibits RNA polymerase II activity, resulting in the cessation of transcription.
Alpha-amanitin is a potent inhibitor of RNA polymerase II, which is responsible for the transcription of most protein-coding genes in eukaryotic cells. The inhibitory effect of alpha-amanitin on RNA polymerase II is due to its binding to the enzyme's active site, preventing nucleotide addition and transcription elongation.
The concentration required to shut down 95% of transcription by RNA polymerase II varies depending on the cell type and experimental conditions. For example, in HeLa cells, a concentration of 2.5 μM alpha-amanitin was found to inhibit approximately 95% of RNA polymerase II-dependent transcription.
To learn more about RNA follow the link:
https://brainly.com/question/25979866
#SPJ4
Without a specific graph or chart, it is not possible to determine the exact concentration of α-amanitin needed to shut down 85 percent of transcription by RNA polymerase II.
In general, a dose-response curve shows the relationship between the concentration of a drug and its effect. For α-amanitin, at low concentrations, it may have little effect on RNA polymerase II activity, while at high concentrations, it can completely shut down transcription. The curve is typically sigmoidal, with a steep slope in the middle concentrations. Assuming such a curve, we can estimate the concentration needed to shut down 85 percent of transcription by RNA polymerase II by finding the concentration at which the curve intersects the 85 percent mark on the y-axis. This will depend on the specific shape of the curve, which can vary depending on the experimental conditions.
To learn more about α-amanitin:
https://brainly.com/question/8815638
#SPJ11
Why do we need RNA and not just DNA?
Answers
The Central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins. So, we need RNA and not just DNA.
In general the role of mRNA is to carry out protein information from the DNA in a cell's nucleus to the cell's cytoplasm , This is the place were the where the protein manufacturing machinery reads the mRNA sequence and three-base codon is translated into its corresponding amino acid in a growing protein chain.
Hence, mRNA molecules are used to carry the genetic information needed to make proteins. These are responsible for carrying information from the DNA in the nucleus of the cell to the cytoplasm the place where proteins gets manufactured.
To learn more about Messenger RNA , here
brainly.com/question/15837874
#SPJ4
which is not an example of mutualistic coevolution? group of answer choices host/pathogen plant/pollinator plant/mycorrhizae rumen bacteria/cows
Answers
Host/pathogen isn't an instance of mutualistic coevolution. In mutualistic coevolutionary interactions, each species broaden variations for the gain of each organisms. In commensalistic interactions, one species blessings from the connection at the same time as the opposite isn't harmed.
Coevolution is not unusualplace amongst organisms collaborating in a mutual interaction. In mutualism, each the organisms gain from every other. When coevolution takes place amongst together reaping benefits species, it's far known as mutualistic coevolution.
Symbiotic relationships result in coevolution via way of means of growing reproductive blessings to organisms that optimize their courting with their symbionts. Pairwise coevolution (or 'specific' coevolution) describes tight coevolutionary relationships among species. Diffuse coevolution (or 'guild' coevolution) refers to reciprocal evolutionary responses among suites of species.
Learn more about mutualistic coevolution visit: https://brainly.com/question/13645013
#SPJ4
how does energy efficiency link with energy efficiency?
Answers
Answer:
......................
Which mechanism of genetic variation results from the exchange of gene segments between non-sister chromatids?
Answers
Answer:
crossing over
Explanation:
This occurs during prophase I and metaphase two of the cell cycle. Two homologous sister chromatids pair up and exchange DNA in order to increase genetic variation.
Why is meiosis important for organisms?
Answers
Answer:
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination.
Answer:
A) It allows for genetic variation among organisms
------------------------
hope it helps...
have a great day!!
1. results in no motion of the object because forces are equal and in opposite directions
A. blanced forces
B. Unblanced forces
Answers
Answer:
Balanced Forces
Explanation:
When the forces acting on an object have equal strength and act in opposite directions, they are balanced.When the forces acting on an object are unbalanced, they do not cancel out one another.
What types of behaviors were exhibited with high health ratings in each trial? what types of behaviors were exhibited with low health ratings for each trial? 4. based on the results in the experiment, what can you infer are the habitat characteristics necessary to provide the highest health rating? explain why?
Answers
Answer:
what can you infer are the habitat characteristics necessary to provide the highest health rating?
Low temperature levels
Explanation:
this pyramid of numbers is modeling organisms within an ecosystem which of the feeding interactions below is most likely to be part of the ecosystem
Answers
3. Where can we find lipids in living things?
Answers
in fried foods, vegetable oil, butter, whole milk, cheese, cream cheese, and some meats. Naturally occurring triacylglycerols are found in many foods, including avocados, olives, corn, and nuts
If you help me I'll mark you as a brain list
Answers
Answer:
I donot know all the answers but I am trying my best to solve so I have given the answer below but I am not very much sure that my answers are correct or not
Explanation:
1 : superior vena cavae
2 : right auricle
3 : pulmonary valve (veins have valve that 's why I have written this answer but not very much sure about the answer
4 : not given
5 : tricuspid valve
6 : not given
7 : right ventricular myocardium ( it is similar that's why I have written
8 : left ventricular myocardium ( it is also similar that's why I have written
9 : not given
10 : chordae tendinenae of mitral valve ( it is similar to the given location that's why I have written)
11 : not given
12 : left auricle
13 : not given
14 : aortic arch
not sure about the answer I have written above plss check the answer and the numbers in which I have written (not given) I am not sure about the answers that's why I have written (not given) may be it is given and it is difficult also to give answer of this question you have asked I am only the 8 standard student
so please don't minddefine double fertilisation in breif with example ??
Answers
Double fertilization refers to the situation in which a sperm is fused with the egg to form the embryo and another sperm combines with the polar nucleus to yield the endosperm.
The term double fertilization applies mostly to the angiosperms. The angiosperms are those flowering plants in which their seed is enclosed within a carpel.Hence, the term double fertilization refers to the situation in which a sperm is fused with the egg to form the embryo and another sperm combines with the polar nucleus to yield the endosperm.
Learn more about double fertilization: https://brainly.com/question/14592788
The steps below identify the part of the process to become a U.S. citizen, the naturalization process. Use the steps below to answer the following question. 1. Be a legal resident in the U.S. for at least 5 years. 2. Complete an application 3. ? 4. Take the Oath of Allegiance What is missing in the process above? A: Register for Selective Service System B: Interview and pass civics test C: Complete a background check D: Receive an appointment letter
Answers
Answer:
B. Interview and pass civics test
Explanation:
I know people who have gone through the process. Hope this helps :)
Which body cells can only run the anaerobic energy extraction pathway?
A. Muscle cells.
B. Red blood cells.
C. All of the body's cells run the anaerobic pathway.
D. None of the body's cells run the anaerobic pathway.
Answers
B. Red blood cells.
They can only run the anaerobic energy extraction pathway.