The most significant difference between Acute Lymphocytic Leukemia (ALL) and Acute Myelogenous Leukemia (AML) is:
Cell type affected
Acute Lymphocytic Leukemia (ALL) mostly affects children, and AML affects adults most often.
Clinical manifestations
Diagnostic tests used
The Correct Answer is A
Choice A reason: The primary distinction between ALL and AML is the type of cell that becomes cancerous. Acute Lymphocytic Leukemia (ALL) affects the lymphoid cell line. Lymphoid cells, or lymphocytes, are a type of white blood cell that plays a crucial role in the immune system, helping the body to fight infections. There are three types of lymphocytes: B cells, T cells, and natural killer (NK) cells. In ALL, the malignant transformation of these lymphocytes occurs, leading to an overproduction of immature lymphoid cells, or lymphoblasts. These lymphoblasts crowd out normal blood cells in the bone marrow, leading to symptoms such as anemia, susceptibility to infections, and easy bruising or bleeding.
Choice B reason: While it is true that ALL is more prevalent in children and AML is more common in adults, this age distribution is not the primary distinguishing feature between the two types of leukemia. ALL represents about 75% of pediatric leukemia cases, typically affecting children between 2 and 5 years old, while AML is more commonly diagnosed in adults, with the incidence increasing with age. However, both types can occur at any age, and the age of onset alone is not sufficient to distinguish between them. The differentiation based on cell type remains the most significant factor.
Choice C reason: Clinical manifestations of ALL and AML can be very similar because both involve the proliferation of immature white blood cells in the bone marrow, which disrupts normal blood cell production. Common symptoms include fatigue, frequent infections, fever, weight loss, easy bruising or bleeding, and bone pain. These symptoms result from the overproduction of immature leukemic cells and the subsequent suppression of normal hematopoiesis. Although there may be some differences in presentation based on the specific cell types involved, clinical manifestations are not the primary basis for differentiating between ALL and AML.
Choice D reason: The diagnostic tests used for ALL and AML are quite similar and typically include complete blood counts (CBC), bone marrow biopsy, and flow cytometry to identify the types of cells involved. Cytogenetic and molecular studies are also used to detect specific genetic abnormalities associated with each type of leukemia. While certain markers and genetic mutations may differ between ALL and AML, the overall approach to diagnosis involves similar testing methods. Therefore, the primary difference between the two leukemias lies in the cell type affected rather than the specific diagnostic tests used.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Edema refers to the accumulation of fluid in the interstitial spaces of tissues, leading to swelling. While it involves fluid retention, it does not specifically describe fluid accumulation in the peritoneal cavity.
Choice B reason: Third spacing refers to the abnormal accumulation of fluid in areas where it is not normally found, such as the peritoneal cavity, pleural cavity, or pericardial sac. In the context of the peritoneal cavity, this condition is known as ascites, a type of third spacing.
Choice C reason: Blanching refers to the whitening of the skin when pressure is applied, which is often used as a sign to assess capillary refill time. It does not relate to fluid accumulation.
Choice D reason: Pitting edema refers to a type of edema where pressing on the swollen area leaves an indentation or "pit" that takes time to refill. While it is a type of fluid retention, it does not specifically describe fluid accumulation in the peritoneal cavity.
Correct Answer is A
Explanation
Choice A reason: Micturition, or urination, is stimulated by the filling of the bladder. As the bladder fills with urine, stretch receptors in the bladder wall are activated. These receptors send signals to the brain, which then triggers the urge to urinate. When the bladder is full enough, the brain sends signals to the muscles of the bladder to contract and to the urethral sphincter to relax, allowing urine to be expelled from the body.
Choice B reason: Segmental movement refers to the rhythmic contractions and relaxations of segments of the intestine that help in the movement of contents along the gastrointestinal tract. It is not related to the process of micturition.
Choice C reason: Rectal filling is associated with the defecation reflex, not micturition. When the rectum fills with feces, stretch receptors in the rectal walls are activated, leading to the urge to defecate. This process is separate from the mechanisms involved in urination.
Choice D reason: Mass movements are large, strong contractions of the colon that move fecal matter toward the rectum, facilitating defecation. They are not involved in the process of micturition.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.