Medicine High School

the bone marrow is hypercellular, with 20 to 90% leukemic blasts at diagnosis or relapse. the blasts grow indiscriminately, but the cells have limited differentiation capability and are frozen in the earliest stage of development

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Answer 1

The statement "the bone marrow is hypercellular, with 20 to 90% leukemic blasts at diagnosis or relapse. the blasts grow indiscriminately, but the cells have limited differentiation capability and are frozen in the earliest stage of development" is true.

The bone marrow is hypercellular, meaning there is an excessive amount of cells present. In this case, the bone marrow contains 20 to 90% leukemic blasts at the time of diagnosis or relapse. Leukemic blasts are immature white blood cells that are characteristic of leukemia.

These leukemic blasts grow without regulation or control, leading to an overgrowth in the bone marrow. However, despite their rapid growth, these cells have limited differentiation capability. This means that they are unable to mature and develop into their intended specialized cell types. Instead, the leukemic blasts remain frozen or stuck in the earliest stage of development. This lack of differentiation contributes to the aggressive nature of leukemia, as the immature cells are unable to carry out their normal functions and disrupt the normal functioning of the bone marrow.

To summarize, in leukemia, the bone marrow becomes hypercellular with an abundance of leukemic blasts. These blasts grow uncontrollably and have limited differentiation capability, remaining frozen in their earliest developmental stage.

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Related Questions

the nurse notes that the right eye pupil is dilated more than the left pupil. what is the nurse's best first action?

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The nurse's best first action when noticing that the right eye pupil is dilated more than the left pupil would be to assess the patient's neurological status. Pupil asymmetry, or anisocoria, can be a sign of a neurological problem.



Here are the steps the nurse can take to assess the patient's neurological status:

1. Perform a thorough neurological examination: The nurse should assess the patient's level of consciousness, motor function, sensation, and reflexes. This can help identify any other neurological abnormalities that may be present.



2. Check for other signs and symptoms: The nurse should look for other signs and symptoms that may be indicative of a neurological issue, such as headache, dizziness, weakness, or changes in vision.



3. Document the findings: The nurse should carefully document the size difference between the pupils and any other relevant observations. This documentation will be important for future reference and for communicating with other healthcare providers.



4. Notify the healthcare provider: If the nurse suspects a neurological problem or if the patient exhibits other concerning signs or symptoms, it is important to notify the healthcare provider promptly. They can then determine the appropriate course of action, such as ordering further tests or consulting with a specialist.



It's important to note that there can be several causes for anisocoria, including trauma, infection, medication, or underlying medical conditions. By promptly assessing the patient's neurological status and involving the healthcare provider, the nurse can ensure that the patient receives appropriate care and further evaluation if necessary.

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vitamin deficiency chronic alcohol use psychopharmacology meyers vitamin c vitamin b all of the above

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Chronic alcohol use can lead to vitamin deficiency, including deficiencies in vitamin C and vitamin B.

What deficiencies can occur due to chronic alcohol use?

Chronic alcohol use can result in deficiencies in various vitamins, including vitamin C and vitamin B.

Alcohol interferes with the body's ability to absorb and utilize essential nutrients, leading to inadequate levels of vitamins necessary for proper bodily functioning.

Vitamin C deficiency, also known as scurvy, can occur in individuals with alcohol use disorder due to poor dietary intake and impaired absorption.

Vitamin C is crucial for collagen synthesis, immune function, and antioxidant protection.

Additionally, chronic alcohol use can contribute to vitamin B deficiencies. B vitamins play a vital role in energy metabolism, nervous system function, and red blood cell production.

Alcohol impairs the absorption of B vitamins from the gastrointestinal tract and disrupts their utilization in the body, leading to deficiencies.

Common B vitamin deficiencies associated with chronic alcohol use include thiamine (B1), riboflavin (B2), niacin (B3), pyridoxine (B6), folate (B9), and cobalamin (B12) deficiencies.

These vitamin deficiencies can have significant health consequences, ranging from fatigue, weakness, and impaired cognitive function to more severe complications such as anemia, peripheral neuropathy, and immune system dysfunction.

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toby is a patient that is due for his regular dose of olanzapine (zyprexa). as you are talking with toby, you score him a 4 on the aims. as this patient's nurse, what would you expect to do?

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As the nurse responsible for Toby, a patient who is due for his regular dose of olanzapine (Zyprexa) and has scored a 4 on the AIMS (Abnormal Involuntary Movement Scale), there are several steps you would typically take:

1. Assess Toby's condition: First, you would assess Toby's overall physical and mental state. Evaluate if he is experiencing any abnormal movements or side effects related to the medication. This assessment helps you determine the appropriate course of action.
2. Consult with the prescribing doctor: Contact the doctor who prescribed olanzapine for Toby and inform them about his AIMS score of 4. This allows the doctor to review the situation and decide if any adjustments to Toby's medication regimen are necessary. The doctor may want to see Toby for a more detailed examination or recommend a change in dosage or medication.
3. Monitor Toby closely: Keep a close eye on Toby's movements and overall condition. Observe if there are any changes or worsening of symptoms. Document any new information or observations regarding his AIMS score.
4. Communicate with the healthcare team: Share the AIMS score and any relevant information with the rest of the healthcare team involved in Toby's care. This ensures that everyone is aware of his current condition and can provide appropriate support.
5. Educate Toby and his family: Take the time to explain to Toby and his family the significance of the AIMS score and the potential implications. Discuss any recommended changes in medication or further assessments that may be needed. Address any concerns or questions they may have to ensure they are well-informed and involved in the decision-making process.
Remember, each patient and situation is unique, so the specific actions taken may vary. It is important to follow the guidelines and instructions provided by the doctor and collaborate closely with the healthcare team to provide the best possible care for Toby.

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Identify Describe where
the cell wall is located

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A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
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