What causes the increased size of an activated cervical lymph node during

What causes the increased size of an activated cervical lymph node during infection?

2 months ago

Solution 1

Guest Guest #7935945
2 months ago
When a cervical lymph node is infected, the node become activated and this set lymphocyte division in motion. The division of lymphocytes is an immune response to the presence of the infective agent. THE DIVISION OF THE LYMPHOCYTES leads to the increase in size of the activated lymph node.

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The mark of sexual maturation for a boy that is most comparable to menarche for a girl is
Solution 1

In a boy, the mark of sexual maturation that is most comparable to menarche for a girl is the increment of the penis size, both in length and width, and the enlargement of both the scrotum and testes.  

Further Explanation:

Aside the above mentioned, a boy also begin to have broad chest, and also he becomes more muscular which makes him to be capable to do more physical activities than he could do when he was more younger.

He also experiences rapid hair growth all over his body, more specifically, on his face, chests, legs and around his penis area. He also experience wet dreams whenever he is asleep, thereby ejaculating which connotes the release of some liquid substances called sperm.

For a boy to experience growth in his penis, testes, scrotum, and other physical changes, he must have hit his puberty years, which can be termed as sexual maturation.

Sexual maturation can be referred to stages of pubertal maturity and development that occur in the life of males and females; and are usually characterized by inevitable physical alteration. Recently sexual maturation has been experienced in the life of males and females earlier than it used to occur some decades ago, and this is as a result of improved nutrition, adequate living conditions, and overall human health.

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KEYWORDS:

  • Sexual Maturation
  • Penis
  • Testes
  • Scrotum
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Solution 2
Deepening of the voice.
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Recall that the phloem sap of vascular plants moves through the phloem as a result of turgor pressure. how are nutrients transported through fungi?
Solution 1

The phloem sap of vascular plants that moves through the phloem; transports nutrients through fungi by hyphae, as a result of turgor pressure. Hyphae are elongated tube-shaped structures that are like garden hoses. They also have inflexible cell walls that may be strengthened by punctured cross-walls which are called septa.

Question
People pave over a large field to build a parking lot. Describe two ways this action will likely affect the water cycle in the local environment
Solution 1
First of all, the water will not be able to drain back into the soil because concrete is not as porous as soil. this would reduce the amount of water in underground aquifers.
also, wafer will be able to run off faster on concrete and it would be able to with a large field, which would likely result in both flooding. both of these would likely speed up the water cycle and cause bad effects for humans.
Solution 2

Answer:

c

Explanation:

...

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Some scientists predict that as atmospheric carbon dioxide levels increase, plant growth will also increase. what is the best explanation for this hypothesis?
Solution 1

The best explanation for this hypothesis is that increased atmospheric carbon dioxide levels will stimulate plant growth through the process of photosynthesis, in which plants convert carbon dioxide and water into glucose and oxygen.

What is photosynthesis ?

Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose or other sugars. This process occurs in the chloroplasts of plant cells and involves the conversion of carbon dioxide and water into glucose, using light energy from the sun as the driving force. Oxygen is also produced as a byproduct of photosynthesis.

Photosynthesis can be divided into two stages: the light-dependent reactions and the light-independent reactions. The light-dependent reactions involve the conversion of light energy into chemical energy in the form of ATP and NADPH. These reactions occur in the thylakoid membranes of the chloroplasts, where pigments such as chlorophyll absorb light energy. The light-independent reactions, also known as the Calvin cycle, involve the use of ATP and NADPH to convert carbon dioxide into glucose.

Photosynthesis is an essential process for all plants, as it provides them with the energy they need to grow and thrive. It is also an important process in the global carbon cycle, as it removes carbon dioxide from the atmosphere and converts it into organic matter.

Learn more about photosynthesis, here:

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Solution 2
Plants have more Carbon Dioxide to take in making them produce Glucose and Oxygen faster.
Question
During which changes of state do atoms that cannot move past one another become free to move?
Solution 1

Answer : The correct answer is, Sublimation and Melting process.

Explanation :

  • Solid state : In this state, the molecules are closely and tightly packed. There is no vacant space present in it and there is strong inter-molecular force of attraction. The atoms are not free to move in this state.
  • Liquid state : In this state, the molecules are loosely packed and there is an intermediate vacant space present in it and there is less inter-molecular force of attraction. The atoms are free to move in this state.
  • Gas state : In this state, the molecules are very loosely packed and there is a lot of vacant space present in it and there is very less inter-molecular force of attraction. The atoms are easily free to move in this state.

So, there are two processes in which changes of state of atoms that cannot move past one another become free to move which are sublimation and melting process.

Sublimation : It is a process in which a solid directly changes to gaseous phase.

Melting : It is process in which a solid changes into liquid phase by providing heat.

Solution 2
There are three states of matter: solid, liquid and gas. In solid state, atoms that make up the data are compact and do not move about. In liquid state, particle ha little force of attraction and are free to move about within the container containing the liquid. I gaseous state, atoms move about freely and there is no force of attraction between the atoms. The change of state from solid tog liquid is called melting while the change of state from solid to gas is called sublimation.
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The mining of oil shale requires _____. large amounts of water semi-arid conditions hot metal-rich fluids pressurized steam
Solution 1
The mining of oil shale requires LARGE AMOUNT OF WATER.
The processing of oil shale require large amount of water which is needed for the processing activities of oil shale. This is a big challenge to the mining of oil shale because most of oil shale deposits are found in semi arid regions where water is scarce.
Question
The sections of a fugue that do not contain the subject are called _____.
Solution 1
The sections of a fugue that do not contain the subject are called "Episodes".
Fugue is a term used in the music or we can say that it is a type or form of music in which one or two themes are repeated and it begins with a simple tune (we can also say this is the section known as exposition) and after that it is repeated or the composer alternates between episodes and the subject presentation.
Question
N multiple sclerosis, identify the part of a neuron that typically hardens and disrupts the flow of information through neurons.
Solution 1
Multiple sclerosis is a chronic, inflammatory disease affecting the central nervous system that causes a hardening and destruction of the myelin sheaths of neurons. The myelin sheath is a fatty, protective layer of the neurons (cells of the brain and spinal cord) that help the latter carry electrical signals to allow for flow of information among the cells. 

The name "multiple sclerosis" arose because of the multiple scars (scleroses) that form on the myelin sheaths as they are gradually destroyed by the disease.
Question
"identify the correct order of events that allow nutrients from foods to be used by the body."
Solution 1

Answer:

The correct sequence of events are: Ingestion - Digestion - absorption - assimilation

Explanation:

Ingestion: It is the process of taking either solid or liquid food through mouth or oral cavity.

Digestion: It includes the digestive system which consists of alimentary canal and the associated glands. These glands help in the digestion of food. Alimentary canal starts with mouth and opens outside through anus. Complete digestion of food occurs in small intestine.

Absorption: Once the food is completely digested in small intestine it must be absorbed across the intestinal wall into the blood stream or lymph.

Assimilation: The absorbed substance then finally reaches the tissues which utilizes them for activity.

Solution 2
digestion, absorption, transport, elimination
Question
Patients presenting themselves to a hospital emergency department with acute medical or surgical problems should __________.
Solution 1
They should be treated as any other patient.