A hole in the tracheostomy tube's shaft that is above the curvature and, thus, above the cuff of a cuffed trach tube is known as a fenestration.
A fenestration's function is to enable airflow past the vocal cords and upward. A tracheostomy patient cannot create voice without airflow via the vocal cords. How a Voice is Produced has further details about voice production.
It is not necessary to have a fenestration in order to speak with a tracheostomy tube, although it will probably make speaking louder and easier. See Speaking with a Tracheostomy Tube for more details.
Although a fenestrated tube can greatly ease speaking for tracheostomy patients, it's crucial to realise that in order to fully benefit from the fenestration, you must also utilise a fenestrated inner cannula. Standard, non-fenestrated inner cannulas will obstruct the fenestration, obstructing the benefits of airflow as well (most common).
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2. Full-sized wings are the typical phenotype for Drosophila. Which of the following events most likely led to the
existence of the short-wing allele in Drosophila?
A. a change in the shape of a chromosome
B. a change in the DNA sequence of a gene
C. the insertion of a DNA strand during mitosis
D. the deletion of a chromosome during meiosis
Answer:
B. A change in the DNA sequence of a gene
Explanation:
What types of technology are now available that would help reduce the negative impacts of sandstorms
Answer: Sandstorm is a storm which occurs when the wind currents are fast and they take away the sand from desert and other arid areas which impact the neighboring residential area.
Explanation:
The following are the technological measures that can be taken to reduce the effects of sandstorms:
1. Meteorological department must take initiative to aware people before sandstorm.
2. All buildings must have sandstorm alert alarms which are sensitive to sand so that people get aware about sandstorms.
3. Window pane must be regulated automatically to detect high speed wind currents to protect the lives inside the house.
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Which of the following is correct?
A. The main difference between plants and animals is their method of nutrition and movement.
B. An animal which hibernating is not alive because it doesn’t eat of move.
C. All organisms are multicellular
D. All living things carry out six life processes.
Answer: A
Explanation:
Because its the main difference between the 2
Answer:
its A because the main difference bettween plants and animals is the cells its not B because animals dont die when they hibernate
its not C because viruses are are single sellular organisms
so that levaes D
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Explanation:
What type of organism really spread and diversified during the Cenozoic?
reptiles
fish
amphibians
mammals
Mammals really spread and diversified during the Cenozoic era. So, the correct option is D.
What was Cenozoic era?The Cenozoic Era is defined as the third of the major eras in Earth's history that began about 66 million years ago and extends to the present. This epoch was the interval of time during which the continents assumed their modern configurations and geographic positions during which the Earth's flora and fauna evolved towards the present.
The Cenozoic Era is called the "Age of the Mammals", while the typical landscapes of North America began to develop during the Cenozoic. Birds and mammals rose to prominence after the extinction of giant reptiles.
Thus, Mammals really spread and diversified during the Cenozoic era. So, the correct option is D.
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- The situation in which atmospheric gases trap the sun's heat and keep Earth's
surface warm is called
a. weather.
c. climate.
b. greenhouse effect.
d. primary succession.
Answer:
b. greenhouse effect.
Explanation:
Compare the two Food Web. Which ecosystem would be more likely to survive if a disease killed the grass?
a The forest ecosystem, because the animals would be able to eat other organisms.
b The grassland ecosystem, because it has many herbivores.
c he grass ecosystem, because several predators compete for food
d The forest ecosystem, because it has 3 top predators
Answer:
A
Explanation:
just A, I remember doing this in like 4th or 3rd grade don't really remember but I makes sense
What stage ensures that each cell receives an identical set of DNA during mitosis?
Which of the following is the best summary for the function of the kidney?
A.
The kidney processes blood, sending nutrients to the bladder to be removed.
B.
The kidney filters the blood, keeping nutrients and getting rid of wastes.
C.
The kidney stores the blood so that it can use the nutrients.
D.
The kidney receives the used blood of the body and sends it all to the bladder.
Answer:
B.
Explanation:
The __ is a series of geologic processes in which rock can form, change form one type to another, be destroyed, and form again.
Answer:
rock cycle
Explanation:
DNA is copied during the S Phase of Interphase. Why do cells copy the DNA?
Answer:
During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. Then, at a critical point during interphase (called the S phase), the cell duplicates its chromosomes and ensures its systems are ready for cell division.
Explanation:
what is a transgenic organism?
a. an organism that is an exact clone
b. an organism that has a mixture of DNA
c. an organism that has no DNA
d. an organism with DNA from another organism
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Which property of water allows water to be resistant to sudden temperature changes?
Choose 1 answer:
A) Surface tension
B) Density
C) Adhesión
D) High specific heat capacity
Answer:
your answer will be (A) surface tension
Answer:
High Specific Heat Capacity
Explanation:
Ruiz Instructions Question 6 1 pts The type of photoceptor in the eye that responds to color is the
O pupil
rod cells
O retina
cone cells
Answer:
its retina respond to colour and form inverted image behind
Importance of using hand lens in classification of organisms
Answer:
hand lens is used to make small object to appear larger hence visibility is easily attained
why are there black holes on the moon
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What situation most likely explains the occasional high frequency of certain inherited disorders among human populations established by a small population?
Bottleneck effect, increasing the gene pool of the population
Mutations resulting in neutral changes to genotype
Gene flow and migration of populations of diverse individuals
Founder effect, due to a limited number of individuals from a parent population
Answer: Founder effect, due to a limited number of individuals from a parent population brainliest?
Explanation:
Answer:
The founder effect is genetic drift attributable to colonization by a limited number of individuals from a parent population.
When it is summer in the U.S, why is it winter in South America?
Answer:
the suns on the other side of the earth at the time
Explanation:
hope it helps :)
Answer:
The Earth is tilted at an angle of about 23 degrees, which means that depending on where Earth is on its orbit, one pole will be getting more hours of light (summer) and one will be dark (winter).
Explanation:
Also, the earth is tilted on it's axis so more direct rays of sunlight hit the southern hemisphere making it summer in that hemisphere while it is winter in the northern hemisphere. Six months later, this reverses, and more direct rays hit the northern hemisphere. That's why it's summer here while it's winter there.
The earth's distance from the sun has nothing to do with it. It's all about the axial tilt.
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Can someone help me
Answer:
1...c
2... indicator
3... corrosive
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What might happen to plants if they were unable to develop parts of the stem underground?
Answer:
The water travelling from the roots to the leaves will slow and eventually stop… ... If there are no buds, the plant my become deceased unless there is bulb or root mechanism that will resprout vegetative growth from below the ground to start a new plant…
Explanation:
Hope this helps
Please help will give brainliest
Explanation:
Species
Genus
Family
Order
Class
Phylum
Kingdom
Domain
The nervous system and the muscle system responds to stimuli to produce motion. The movements of
Answer:
skeletal
Explanation:
skeletal bones are involuntary
Why would you expect to find a great deal of
parenchyma tissue in the roots of plants such as the
carrot, beet, and radish?
Answer:
Parenchyma tissue makes and stores food. Because the roots of carrots, beets, and radishes store food for plant, one would expect to find large amounts of parenchyma tissue in these parts.
Compare the characteristics of mammals & flowering plants'
Answer:
they are both the same
Explanation:
science
Is this an accurate description of the water cycle?
The water cycle is water in the sea or ocean that gets evaporated, that’s condensation. It turns into clouds but then just falls again as rain/snow, that’s precipitation. It goes to streams and runoffs. That is the water cycle.
Answer:
Yes,I think this is correct
Answer:
right, maybe that's the right answer
Explanation:
sorry if my answer is wrong
Will give brainliest
Answer:
D
Explanation:
70 plus 30 = 100%
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Answer:
B. Single replacement reaction
Explanation:
A single displacement reaction is a chemical reaction in which one element is replaced by another in a compound.
red marrow tissue interacts with which 2 body systems
Answer:
I believe it interacts with the lymphatic system (because it creates lymphocytes) and the circulatory system (because it creates red blood cells).
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Due to its location, Hawaii does not have very many land birds. The Hawaiian honeycreepers are a favorite for many ornithologists. There are over 50 species of honeycreepers that can all be traced back to one ancestor. The level of diversity in an ecosystem can be determined by the frequency of speciation and extinction.
Describe speciation and identify two possible prezygotic barriers of the Hawaiian honeycreepers that contribute to speciation.
If the Hawaiian honeycreepers became extinct, explain how the newly available niches could lead to speciation.
Answer:
In speciation, organisms evolved with the passage of time.
Explanation:
Speciation is the evolutionary process in which populations of species evolve with the passage of time to become different species from the original one. Temporal isolation and gametic isolation are two possible prezygotic barriers of the Hawaiian honeycreepers that contribute to occur speciation. The newly available niches could lead to speciation of that organisms that tolerate the Hawaiian climatic conditions when the extinction of Hawaiian honeycreepers occurs. The new organisms used the available resources such as food and space etc and increase its population.
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Which of the following is a consequence of populations with little genetic diversity?
Ability to withstand environmental pressures
Risk of decline or extinction
Protection against spread of disease
Increased reproductive success
Answer: 1 people would be more vulnerable to disease
2 human or anything wouldnt live as long.
or if this a b c d choice it would risk of decline or extinction
Explanation:
Which statement correctly describes these broken pieces of the sample