Out of control during a temper tantrum, Malcolm smashed his fist through a glass door. Several tendons were sliced through at the anterior wrist. What movements are likely to be lost if tendon repair is not possible
Given what we know about the functions of muscles and tendons in the human body, we can confirm that if not repaired correctly, Malcolm is likely to lose the ability to flex his hand and its fingers.
The anterior wrist is an important anatomical region in terms of the muscular contents it carries. This region contains an anatomical topographic element known as the Carpal tunnel. Famous for the well-known "Carpal Tunnel Syndrome", this tunnel contains the ligaments for most of the muscles that flex the palm of the hand and each of the fingers,
Though the tendons in charge of flexing the thumb are not located in this tunnel, they are also located in the anterior wrist area, which means that even this function may be lost by Malcolm if his injury is not repaired quickly. Every muscle in charge of flexing the hand and fingers are located in this region and are very likely to lose functionality with this kind of injury.
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As red blood cells begin to clump together to form a clot, __________ reinforces the clumped red blood cells.
Answer:
it is reinforced back by the fibrinogen
A carrier is someone who "carries" a recessive allele but who has the dominant trait because he or she is heterozygous.
False
True
Answer:
True is the answer
Explanation:
Brainlilest meTrue or False: The midbrain is responsible for visual and auditory reflexes, posture, and movement.
Answer:
True
Explanation:
The fact that babies gain control over gross arm movements much sooner than they gain fine muscle control over their fingers exemplifies ________ development.
Answer:
Proximodistal
Explanation:
Joe mama
A cell that has a cell wall is undergoing cell division, and the following events are observed: the formation of a cell plate and the division of the cell into two daughter cells. What type of cell is being observed
Answer:
Plant cell; telophase and cytokinesis of mitosis
Explanation:
Took the Exam.
What best describes a mechanism in which the body responds
to low levels of a hormone by releasing more of that hormone?
a negative feedback
b positive feedback
C lateral feedback
d none of the above
Answer:
a.negative feedback
Explanation:
Hormone production and release are primarily controlled by negative feedback. In negative feedback systems, a stimulus elicits the release of a substance; once the substance reaches a certain level, it sends a signal that stops further release of the substance.
(03.02 MC)
Being able to reproduce asexually benefits the organism during times when mates are hard to find.
Under what circumstances would asexual reproduction be most beneficial? (1 point)
1 ) The species finds its life span is increasing rapidly.
2 )The species finds itself falling prey to a new and well-adapted predator.
3 ) The species needs to adapt to a dwindling source of food.
The species needs to develop resistance to a new type of disease.
Answer:
2 )The species finds itself falling prey to a new and well-adapted predator.
Explanation:
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Scientists suspect that Mars once had abundant liquid water on its surface. For this to have been true, early Mars must have had __________ than Mars today. Group of answer choices
Higher atmospheric pressure and stronger greenhouse effect leads to the presence of water on the surface of Mars planet.
Mars must have had higher atmospheric pressure as well as stronger greenhouse effect than Mars today which is responsible for the presence of water in liquid form on its surface but when the disturbance or change occurs in the atmospheric pressure as well as greenhouse effect of the Mars planet.
The water that was present on the surface vaporized and removed from the planet so we can conclude that higher atmospheric pressure and stronger greenhouse effect leads to the presence of water on the surface of Mars planet.
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Biological functions associated with one or more of the different classes of antibodies include ______.
Given what we know about the biological process by which our cells fight off foreign bodies, we can confirm that functions associated with one or more of the different classes of antibodies include allergic reactions.
When our bodies detect a foreign organism, it will, more likely than not, detect it as a threat and attempt to dispose of it accordingly. The way the body goes about doing this is by using antibodies.
The organisms that may wish to cause harm within the human body and its cells are not always the same, in fact, there are thousands of distinct bacteria that cause a variety of different harmful effects. For this reason, the body produces an equal amount of antibodies, one type for each type of bacteria.
Allergic reactions are one of the Biological functions that include more than one class of antibodies. This is due to the fact that allergies can be caused by many kinds of foreign particles, even at the same time.
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With each ventricular systole, A) blood pressure remains steady. B) the ventricles fill with blood. C) blood pressure decreases. D) cardiac output decreases. E) blood pressure increases.
Answer:
C. blood pressure increases
Explanation:
With each ventricular systole, pressure increases.
So, option E is correct one.
What are ventricles and ventricular systole?The ventricles are either of the two lower chamber of heart that receives the blood from the artria and in turn forces it into thearteries.
During ventricular systole the ventricles are contracting and vigorously pulsing ( or rejecting) two separate blood supplies from the heart to lungs and another heart to other body organs and systems.
The blood pressure during ventricular systoles rises in the ventricles, pumping blood into the pulmonary truck from the right ventricles and into the aorto from the left ventricles.
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Using the science behind macro-nutrients, why marathon runners are so skinny?
1) The reaction is at dynamic equilibrium.
N2 + 3H2 ⇌ 2NH3
Which statement is correct?
a) Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
b) The solution has the same concentrations of nitrogen gas and ammonia.
c) Both directions of the reaction have stopped.
d) The solution has the same concentrations of nitrogen and hydrogen gases.
2) Sodium chloride and calcium carbonate combine to form sodium carbonate and calcium chloride in the reversible reaction.
2NaCl + CaCO3 ⇌ Na2CO3 + CaCl2
Which statement about the reaction is necessarily correct?
a) The reaction will continue until the sodium chloride is used up.
b) The rate at which calcium chloride is equal to the rate at which sodium chloride is produced.
c) Both calcium carbonate and sodium carbonate are being produced.
d) The reaction is moving only from left to right.
3) In a chemical reaction, the forward rate is greater than the reverse rate. Which statement about the reaction is correct?
a) The reaction is reversible.
b)The reaction is at dynamic equilibrium.
c)The reaction will continue until the reactant is used up.
d)The concentrations of the reactant and the product are equal.
4) What is the fastest motion that can be measured in any frame of reference?
a)300,000 m/s
b)300,000 km/s
c)186,000 m/s
d)186,000 km/s
5) Two people are on a train that is moving at 10 m/s north. They are walking 1 m/s south relative to the train. Relative to the ground, their motion is 9 m/s north.
Why are we able to use these motions to describe the motion relative to the ground?
a)As long as the frame of reference is stationary, all motion can be described in this way.
b)If one object is moving much slower than the speed of light, its speed can be added to that of another object.
c)The motion of everything in the Universe besides light can be described in this way.
d)The people are moving much slower than the speed of light so the ground acts as a frame of reference.
Answer:
1) Nitrogen and hydrogen combine at the same rate ammonia breaks down.
2) Both calcium carbonate and sodium are being produced
3) The reaction is reversible
4) 300,000 km/s
5) The people are moving much slower than the speed of light so the ground acts as a frame of reference
Explanation:
The fastest motion is the speed of light measured as 300,000 km/s.
A reaction system is said to have attained dynamic equilibrium when the rate of forward reaction is the same as the rate of reverse reaction. Given the equation; N2 + 3H2 ⇌ 2NH3, the correct statement is that; "nitrogen and hydrogen combine at the same rate that ammonia breaks down.
We have the equation; 2NaCl + CaCO3 ⇌ Na2CO3 + CaCl2, the correct statement based on this equation is that; both calcium carbonate and sodium carbonate are being produced.
When the forward rate of a reaction is greater than the reverse rate, the reaction is reversible. The fastest motion is the speed of light measured as 300,000 km/s.
Given the relative motion of the two people, we are able to use these motions to describe the motion relative to the ground because he people are moving much slower than the speed of light so the ground acts as a frame of reference.
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what is the common denominator among sexually transmitted infections?
Answer:
They all involve a fragile infectious agent.
Explanation:
The five main types of infectious agents are bacteria, protozoa, viruses, parasitic worms, and fungi.
Match the layer of the atmosphere with its correct characteristic.
Exosphere A) Gases are mixed together here as they drive global air circulation
Thermosphere B) Has no upper boundary, as it separates the other layers from space
Mesosphere C) Energy from the sun causes gas particles to become ions
Stratosphere D) A dense layer containing breathable air and clouds in the sky
Troposphere E) A dry layer with few clouds and very thin air
Ansswer:
Exosphere has no upper boundary, as it separates the other layers from space.
Thermosphere has energy from the sun that causes gas particles to become ions.
Mesosphere consists of gases that mix together as they drive global air circulation.
Stratosphere has a dry layer with few clouds and very dry air.
Troposphere is a dense layer containing breathable air and clouds in the sky.
Explanation:
Just took the test and got 100!
If took 3.5 hours for a train to travel the distance between two cities at a velocity of 120km/h. How far did the train travel between the two cities?
Complete these sentences by matching the phrases below.
Scientists
recreate early
conditions of the
universe using
?
the Doppler effect
The speed of
stars can be
measured using
?
cosmic microwave
background radiation.
The prevailing
idea about the
beginning of the
universe is
called:
12
particle accelerators
The heat left
over from the
beginning of the
universe is:
the Big Bang theory
Ii
Answer:
Start from the basics
Explanation:
A physics theory called the Big Bang event explains how the cosmos grew from a highly dense and hot starting condition. The evolution of the visible universe from the oldest known times through its succeeding large-scale form is explained by several numerical solutions of the Big Bang.
According to scientists, the universe started with every last bit of energy compressed into a single, minuscule point. The explosion from this incredibly dense point created matter and propelled it outward to form the galaxies that make up our vast universe.
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\The scientific study of the transmission of traits from one generation to the next is called __________.
i’m pretty sure heredity (also called inheritance or biological inheritance)
Answer:
The answer is Genetics
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why is it important that the time humans have spent on earth is so little, yet our influence has been so large?
Answer: Life is an experience, and and no matter how much time you have on Earth, you will impact something. Over time we have become more sophisticated therefore making bigger influences.
Explanation: Life is an experience, and and no matter how much time you have on Earth, you will impact something. You can make small influences, like to other people around you. You can make larger influences, like inventing something. Humans are able to influence so much because we are a sophisticated species of mammal. Our brains are more complex, giving us a bigger advantage to other animals. Animals do help with influencing the world, but overall with the human brain and smarts, we are able to make the most influence on the world with evolving ideas.
what are the three most common shapes of viruses?
Answer:
helical, polyhedral (which includes icosahedral and prolate shapes), and complex shapes.
Which of these is a trna?.
Answer:
tRNA looks like this:
Explain why a) glucose and b) protein do not normally appear in the urine: (The reasons are different)
Answer:
Ordinarily, urine contains no glucose because the kidneys are able to reabsorb all of the filtered glucose from the tubular fluid back into the bloodstream. Glycosuria is nearly always caused by elevated blood glucose levels, most commonly due to untreated diabetes mellitus.
Explanation:
Protein is present in the blood; healthy kidneys should only filter tiny (trace) amounts into the urine as most protein molecules are too large for the filters (glomeruli). It is not usual to lose protein in the urine.
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Which type of genetic disorder cannot be predicted by a Punnett Square?
A single-gene disorder
B sex-linked disorder
C random mutation
Random mutation is a type of genetic disorder which cannot be predicted by a Punnett Square. Therefore, option (C) is correct.
What is a Punnett Square?A Punnett Square is a tool used in genetics to predict the probability of inheriting specific traits or genetic disorders. It is named after Reginald Punnett, a British geneticist who developed this method. The Punnett Square is typically used for single-gene disorders, which are caused by mutations in a single gene. By crossing individuals with known genotypes, the Punnett Square can help determine the likelihood of offspring inheriting a specific disorder.
However, it is important to note that Punnett Squares are not applicable for all types of genetic disorders. They are most useful for disorders inherited in a Mendelian pattern, where a single gene controls the trait. Other types of genetic disorders, such as those caused by random mutations or complex interactions between multiple genes and environmental factors, cannot be accurately predicted using a Punnett Square alone. These types of disorders often require more complex genetic testing and analysis.
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These sweat glands are more abundant and can be found in your palms,
forehead, and the soles of your feet. What is the name of these glands?
eccrine glands
apocrine glands
puberty glands
sebaceous glands
Answer:
Eccrine glands
Explanation:
There are two to four million sweat glands distributed all over our bodies. The majority of them are “eccrine” sweat glands, which are found in large numbers on the soles of the feet, the palms, the forehead and cheeks, and in the armpits.
#If i'm wrong, i'm sorry
Cranial nerves are which of the following types of nerves?
Answer:
All of the above
Explanation:
Read the following statements with reference to soil:(i) Weathering is a
very fast process of soil formation. (ii) Percolation of water is faster in sandy
soils. (iii) Loamy soil contains only sand and clay.(iv) Top soil contains the
maximum amount
of humus. Choose the correct statements from the
above
(ii) and (iv)
(i) and (iii)
(ii) and (iii)
(i) and (ii)
Answer:
i.) and ii.)
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Which of the following would most likely utilize a particulate control device?
Answer:
D all of the above
Explanation:
Took the test
The sequences of nucleotides in DNA encode the ______ of a cell, such that scientists can add new sequences, find existing sequences, or identify changes in sequences that affect the functioning of a cell or organism.
The sequences of nucleotides in DNA encode the oxygen of a cell, such that scientists can add new sequences, find existing sequences, or identify changes in sequences that affect the functioning of a cell or organism.
Deoxyribonucleotides is the basic unit of a deoxyribonucleic acid (DNA).
Basically, deoxyribonucleic acid (DNA) comprises a nitrogenous base and phosphate group that are commonly known as deoxyribose sugar.
A nucleotide can be defined as a subunit of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) that typically consists of a nitrogenous base.
Hence, the nitrogenous base or nucleotide composition of a deoxyribonucleic acid (DNA) includes the following:
Adenine (A). Guanine (G). Cytosine (C). Thymine (T).When oxygen is encoded by the sequences of nucleotides in DNA, the following can be achieved by scientists:
I. Add new sequences.
II. Find existing sequences.
III. Identify changes in sequences.
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The sequences of nucleotides in DNA encode the oxygen of a cell, such that
scientists can add new sequences, find existing sequences, or identify
changes in sequences that affect the functioning of a cell or organism.
Oxygen radicals are known to denature the DNA found in the cells and
tissues of the body and produce new substances.
Scientists however encode the oxygen so as to enable their various
experimental work in producing new sequences possible and prevent the
denaturing of DNA.
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An organism that lives in an area where it must be concerned with the possibility of being swept away or crushed by waves, or being immersed during high tides and left high and dry (and much hotter) at low tides as well as having to cope with changing levels of salinity most likely lives in what coastal zone
Which of the following best describes how mitosis is related to cellular
reproduction?
10 points
Mitosis is a phase in asexual reproduction that results in the formation of similar, but
not identical, nuclei in the daughter cells.
Mitosis is a phase in asexual reproduction that results in the formation of identical
nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of similar, but
not identical, nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of identical
nuclei in the daughter cells.
Mitosis and Meiosis are forms of reproduction that cause new cells to result from existing cells. The option that best describes how mitosis is related to cellular reproduction is;
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.Mitosis is a reproductive process that takes place in single-celled (unicellular) organisms. It results in the formation of two somatic cells from the mother cell.
Since no sex is required for mitosis to take place, it is referred to as asexual reproduction. Mitosis can also take place in the somatic cells of multicellular organisms.
So, the basic description of mitosis is that it is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
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Answer: d
Explanation:
