What respiratory system changes occur when someone quits smoking?
Answer: cilia regain normal function is indeed the correct answer
Explanation: im taking the test right now
The respiratory system changes which occur when someone quits smoking includes primarily coughing, shortness of breathing pattern, Bronchial hyperresponsiveness, and the ultimate decline in the lungs function.
What changes are seen after quitting smoking?When a person quits smoking, within the first month after quit smoking, the lung function will improve, which will increase the circulation. Within the period of nine months after quitting smoking, the cilia of the person begins to function normally and the symptoms like coughing and shortness of breath occurs less frequently and improves with time.
Smoking cessation improves the respiratory symptoms in smokers and the bronchial hyperresponsiveness, which prevents the accelerated decline in the lung function, in all the smokers that have or not have the chronic obstructive pulmonary disease.
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In the context of sensory receptors, the intensity of the stimulus is communicated to the brain by varying the _____ of the action potential sent to the brain.
Final answer:
The intensity of a stimulus is communicated to the brain by varying the frequency or rate of action potential firing; a stronger stimulus produces action potentials more rapidly and activates more receptors.
Explanation:
In the context of sensory receptors, the intensity of the stimulus is communicated to the brain by varying the frequency or rate of action potential firing. This means that an intense stimulus will produce a more rapid train of action potentials compared to a less intense stimulus, which will produce action potentials at a slower rate. In addition to the firing rate, the number of receptors activated also encodes stimulus intensity, where a more intense stimulus activates more receptors.
Since the height of an action potential is constant for a given neuron, it is the speed of the firing rate that conveys the strength of the stimulus to the nervous system. For instance, a bright light will generate more action potentials in rapid succession than a dim light. This is how our sensory system encodes and communicates different intensities of stimuli to the brain for perception and further processing.
Gila Monsters are one of two types of venomous lizards in the world. If you wanted to avoid coming across the Gila Monster when hiking in Arizona you would want to avoid __________ and __________ because Gila Monsters are crepuscular.
Answer:
Squamata
The Gila monster is venomous, although sluggish in nature and therefore not dangerous to humans.
Explanation:
i did the test on edge 2021
For each of the traits described below, indicate if it is true only in archaea, only in bacteria, in both archaea and bacteria or in neither group.
1) The cells do not contain ribosomes. - both archaea and bacteria
2) Most of the microorganisms in the group have a cell wall. - both archaea and bacteria
3) When proteins are being made, the first amino acid is a methionine. -
only in archaea (in bacteria is a derivate of it N-formylmethionine)4) They have mitochondria. - in neither group
5) The fatty acids found in the cytoplasmic membrane have branching chains. only in archaea (fatty acids in bacteria have straight chains)
If a scientist discovered a sequence of DNA that links the manatee a marine animal to there land dwelling ancestors which explains the likely effect of this discovery on the theory of evolution
Compare and contrast the advantages and disadvantages of sexual and asexual reproduction
Final answer:
Asexual reproduction allows for rapid and mate-free offspring production, advantageous in stable environments but less so in changing ones due to lack of genetic diversity. Sexual reproduction is slower and requires a mate, yet it offers genetic diversity, which aids survival and adaptation in unpredictable environments.
Explanation:
Advantages and Disadvantages of Sexual and Asexual Reproduction
Animals produce offspring through sexual and asexual reproduction, and both methods come with their own sets of pros and cons. Asexual reproduction results in offspring that are genetic clones of the parent, which means they are well-suited for stable environments but potentially at risk in changing conditions due to the lack of genetic diversity. Sexual reproduction, while more energy-intensive as it requires finding a mate, generates offspring with genetic variation, which can be a significant advantage in unpredictable environments.
The main advantages of asexual reproduction are the ability to quickly produce large numbers of offspring without the need for a mate, which is beneficial for colonization of new habitats and rapid population growth. However, the disadvantage is that offspring lack genetic diversity, making them more vulnerable to environmental changes and diseases. On the flip side, the advantages of sexual reproduction include the production of genetically diverse offspring, which allows for better survival through changing conditions and potential adaptation to new environments.
A rapid evolutionary advantage of sexual reproduction is the enhanced potential for adaptation due to genetic recombination, which asexually reproducing species might lack. However, asexual reproduction can still be advantageous in certain environments and life strategies, illustrating the complexity of these reproductive strategies in the natural world.
The _____ , first proposed by ronald melzack and patrick wall, is a current explanation for how pain works
what is the function of the Endoplasmic Reticulum
In what way do the membranes of a eukaryotic cell vary?in what way do the membranes of a eukaryotic cell vary? certain proteins are unique to each membrane. only certain membranes are constructed from amphipathic molecules. only certain membranes of the cell are selectively permeable. some membranes have hydrophobic surfaces exposed to the cytoplasm, whileothers have hydrophilic surfaces facing the cytoplasm. phospholipids are found only in certain membranes.
The membranes of a eukaryotic cell vary certain proteins are unique to each membrane. Option A is correct.
Eukaryotic cells share a plasma membrane structure with prokaryotes. The eukaryotic cell plasma membrane is composed of a phosphate bilayer with embedded protein that separates the cell’s internal contents from its environment.
In both prokaryotic and eukaryotic cells, the plasma membrane is composed of a double layer made up of lipids. The double layer is mainly made up of phospholipid lipids.
The plasma membrane acts as a barrier between the outermost compartment of the cell and the inner compartment of the cell.
The plasma membrane is a selectively permeable membrane that allows the transport of only specific molecules into and out of a cell.
Therefore the correct option is option A.
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why are scientific theories often so powerful?
In the Sun, which element is the result of the fusion of hydrogen?
Answer: helium
Explanation:
Nuclear fusion is a process which involves the conversion of two small nuclei to form a heavy nuclei along with release of energy.
The reactions which takes place in sun are:
[tex]_1^1\textrm{H}+_1^1\textrm{H}\rightarrow 1^2\textrm{H}+_{+1}^0\textrm{e}+\text{energy}\\\\_1^2\textrm{H}+_1^1\textrm{H}\rightarrow 2^3\textrm{He}+\text{energy}\\\\_2^3\textrm{He}+_1^1\textrm{H}\rightarrow _2^4\textrm{He}+_{+1}^0\textrm{e}+\text{energy}[/tex]
Overall reaction for the above series of reactions is given by:
[tex]4_1^1\textrm{H}\rightarrow _2^4\textrm{He}+2_{+1}^0\textrm{e}+\text{energy}[/tex]
Thus the fusion of lighter hydrogen nuclei result in formation of heavier nuclei of helium.
What is the largest group of organisms that is capable of interbreeding?
An unconscious patient is brought to the emergency department after experiencing a seizure. the family members report the patient experienced tremors, sweating, and irritability before losing consciousness. the patient's laboratory results indicate hypoglycemia. which medication does the nurse expect will be ordered by the health care provider?
Diabetes medications are oral medications called DPP-4 inhibitors
Further explanation
the drug works by blocking the DPP-4 enzyme. This enzyme activates the hormone inkretin in the intestine, which helps the pancreas produce insulin and stops the liver from producing glucose. With the inhibition of DPP-4, inkretin can function optimally so that blood sugar levels can go down. This drug is effective because it can reduce the risk of hypoglycemia up to four times lower and if all drugs are consumed by patients without changing lifestyle, the results are not optimal.
Hypoglycemia is a condition when glucose (blood sugar) levels are below normal. Generally, a person is considered to have hypoglycemia when his blood sugar level is less than 60 mg / dl. Hypoglycemia is one of the acute complications in people with diabetes and is generally associated with the use of drugs from the sulfonylurea group (glibenclamide, glycazazide, glimepiride, glipizide, and tolbutamide) or insulin.
how to treat hypoglycemia:
15 grams of carbohydrates can be some examples of the following intake:
½ cup or about 100 ml of regular soda water 1 tablespoon of honey 1 tablespoon of plain sugar ½ cup or 100 ml bottled fruit juice water 3 candies glucose tabletsLearn More
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Class: high school
Subject: biology
Keywords : Hipoglikemia, glucose, hormone
What determinant of mean arterial pressure would be directly affected by lasix, and would this typically raise or lower mr. underhill's mean arterial pressure?
The environment contains
The most common causes of famines, in which severe food shortages result in many deaths are:
If you looked under a microscope and saw a particle with DNA but no nucleus, you would know the particle was?
(A) a protist
(B) a plant cell
(C) an animal cell
(D) a unicellular bacteria
You observe large ( >10 micrometer) oval cells in a sputum sample from a patient. your culture of the sample reveals fuzzy filamentous colonies. you conclude that __________. you contaminated the sample the patient has an infection caused by a dimorphic fungus the patient has an infection with unusual algae the patient has a yeast infection the patient has a protozoan infection
Cyanobacteria, unusual worm like life-forms and marine organisms did not exist in Precambrian Time. True of False?
The frontal lobe is ________ to the occipital lobe, whereas the temporal lobe is ________ to the parietal lobe.
Final answer:
The frontal lobe is anterior to the occipital lobe, and the temporal lobe is inferior to the parietal lobe, with each performing distinct functions in cognition and sensory processing.
Explanation:
The frontal lobe is anterior to the occipital lobe, whereas the temporal lobe is inferior to the parietal lobe. When considering the position of the brain's lobes about each other, these directional terms are often used. The frontal lobe is at the front of the brain and is responsible for higher cognitive functions such as thinking, planning, memory, and judgment. The occipital lobe, located at the back of the brain, is primarily responsible for vision. The parietal lobe is situated above the temporal lobe and is concerned with processing sensory information such as bodily sensations and touch, while the temporal lobe is located beneath the parietal lobe and is key for auditory information and language processing.
What single factor plays the largest role in maintaining adequate bone strength?
Muscle fibers are directly surrounded by which thin layer of connective tissue? muscle fibers are directly surrounded by which thin layer of connective tissue? perimysium tendon endomysium epimysium
Endomysium is the tiny layer of connective tissue that directly surrounds each muscle fiber. It is a sheet of dense irregular connective tissue which draws the entire muscle and defends muscles from abrasion against other muscles and bones. It is also composed of capillaries and nerves.
Answer:
Endomysium
Explanation:
Prokaryotic cells are cells that do not have a nucleus; instead, there is a region in the cytoplasm called the nucleoid region that contain one or more chromosomes. in some prokaryotic cells, dna can be found in plasmids, small structures outside the nucleoid region that can transfer genes between cells, passing certain traits. these cells divide by binary fission, have no membrane enclosed organelles, and do not sexually reproduce, but the transfer of dna is through a process called conjugation, where only fragments are transferred. prokaryotic cells evolved earlier in earth's history, "before the nucleus" as its name translates to. an example of prokaryotic cells are bacteria.
Prokaryotic cells are cells without a nucleus. They contain DNA in the cytoplasm and have a central region called the nucleoid. Some prokaryotes have plasmids outside the nucleoid, which transfer genes between cells. Prokaryotic cells divide by binary fission and do not have membrane-enclosed organelles.
Explanation:Prokaryotic cells are cells without a nucleus. The DNA in prokaryotic cells is in the cytoplasm rather than enclosed within a nuclear membrane. Prokaryotic cells are found in single-celled organisms, such as bacteria. The central region in prokaryotic cells where the DNA resides is called the nucleoid region. Some prokaryotic cells also have smaller DNA structures outside the nucleoid region called plasmids, which can transfer genes between cells and carry certain traits. Prokaryotic cells divide by binary fission, do not have membrane-enclosed organelles, and do not sexually reproduce. Instead, the transfer of DNA in prokaryotes happens through a process called conjugation, where only DNA fragments are transferred.
which causes a cell to swell: Isotonic solution, Hypotonic solution or Hypertonic solution?
The distinctive spiral or pleated sheet of a protein is known as its ________ structure.
Which rem dosage causes symptoms of radiation sickness including nausea, vomiting, fatigue, and a reduction in white cell count?
The rem dosage that most likely cause the following symptoms mentioned above is the rem 120. It is because if this dosage has given to an individual, the person may likely experience side effects of having to feel nauseated, fatigue, vomiting and the white cell count is being reduced.
Which aquifer listed below would be the most effective in purifying polluted groundwater, and why?
The only haploid cells in an organism are ___
a. muscle cells
b. red blood cells
c. gametes
d. nerve cells
The "primary route of excretion" of drugs from the body is via the
During chick gastrulation, what germ-layer regions remain external and do not move inward?