Answer: b. The elderly have a higher risk from toxic pesticides because they are less able to eliminate environmental toxins.
Explanation:
The older adults are expected to have health problems after a pesticide exposure. This is because of the fact that their metabolism is slow and the liver and kidneys are not able to remove the pesticides from the body. The liver and kidney may get injured during the exposure of the high doses of pesticides.
The longer a pesticide stay in the body of an old person this may result in more severe injury. As the body is slow in metabolism that is the conversion of the chemicals in the pesticides into less toxic metabolites. Thus the elderly people will not be able to eliminate the toxin from the body. The toxin will damage the vital organs and can lead to death.
Answer:
Cell survival curve is used to describe the relationship between the surviving fraction of cells of radiation and the absorbed dose. The surviving fraction is usually represented in a logarithmic scale in the cell survival curves.The shape of cell survival curves also depends on the type of radiation used.
Explanation:
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Options for the question have not been given. They are as follows:
a) "Would you like me to call your parents?"
b) "I am sorry this is happening to you."
c) "You have a lot to live for."
d) "The voices are not real."
Answer:
b) "I am sorry this is happening to you."
Explanation:
The client is having hallucinations of voices telling him that he is worthless. He is suffering from low confidence and does not feel good enough even though he has achieved significantly in life. He also has history of self harm. So, the client has started to shut out the world and be in his own thoughts.
In this case, before approaching any treatment, it is necessary for the nurse to make the client comfortable. She should be empathetic and show genuine concern which will make the client trust her more. If the nurse just abruptly tells the client that his hallucination is not real or that she wants to inform his parents, he might become even more reclusive. He might even refuse to participate in the future treatment.
So instead of forcing him to understand his condition or telling him to be positive, it is first important for the nurse to build a healthy connection with him. Thus, option b) is correct.
Bactoprenol is indeed a peptidoglycan transporters that cycles monomers and places them somewhere at cell wall's growth point.
As bacitracin binds to this bactoprenol, the orientation of the peptidoglycan to the cell membrane fluidizes, allowing potassium ions to move from the protoplasts.
As a result of interfering with cell wall production and changing membrane potential, the bacterial cell is lysed.
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