MN 551 UNIT 2 QUIZ QUESTIONS AND ANSWERS | 100% CORRECT

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Question 1 1 / 1 point Which of the following patients is most likely to benefit from transplantation of thymic tissue or major histocompatibility complex (MHC)-compatible bone marrow? Question opt... ions: A 12-year-old girl with a history of epilepsy and low IgG levels secondary to phenytoin use A 7-year-old boy whose blood work indicates decreased IgA and IgG with increased IgM A 6-year-old boy whose pre-B cells are incapable of translation to normal B cells A 9-year-old girl who has a diagnosis of IgA deficiency Question 2 1 / 1 point A 66-year-old female patient has presented to the emergency department because of several months of intermittently bloody stools that has recently become worse. The woman has since been diagnosed with a gastrointestinal bleed secondary to overuse of nonsteroidal anti-inflammatory drugs that she takes for her arthritis. The health care team would realize that which of the following situations is most likely? Question options: The woman has depleted blood volume due to her ongoing blood loss. She will have iron-deficiency anemia due to depletion of iron stores. The patient will be at risk for cardiovascular collapse or shock. She will have delayed reticulocyte release. Question 3 1 / 1 point A tourist presented to a primary care health clinic complaining of malaise, fever, and headache. She has subsequently been diagnosed with Rocky Mountain spotted fever, a pathology caused by Rickettsiaceae. Which of the followed statements best captures a characteristic trait of Rickettsiaceae? Question options: They are eukaryotic. They have both RNA and DNA. They have a distinct spiral-shaped morphology. They are neither gram-negative nor gram-positive. Question 4 1 / 1 point A 16-year-old female has been brought to her primary care nurse practitioner by her mother due to the girl's persistent sore throat and malaise. Which of the following facts revealed in the girl's history and examination would lead the nurse practitioner to rule out infectious mononucleosis? Question options: The girl has a temperature of 38.1°C (100.6°F) and has enlarged lymph nodes. Her liver and spleen are both enlarged. Blood work reveals an increased white blood cell count. Chest auscultation reveals crackles in her lower lung fields bilaterally. Question 5 1 / 1 point A 29-year-old construction worker got a sliver under his fingernail four days ago. The affected finger is now reddened, painful, swollen, and warm to the touch. Which of the following hematological processes is most likely occurring in response to the infection? Question options: Proliferation of immature neutrophils High circulatory levels of myeloblasts Increased segmented neutrophil production Phagocytosis by myelocytes Question 6 1 / 1 point As part of his diagnostic workup, a 77-year-old man's nurse practitioner has ordered blood work that includes ferritin levels. The man is very interested in the details of his health care and is unfamiliar with ferritin and its role. He asks his nurse practitioner to explain the significance of it and the rationale for testing it. Which of the following explanations by the nurse practitioner is most accurate? Question options: “Ferritin is the activated and usable form of iron that your red blood cells can use to transport oxygen.” “Ferritin is a stored form of iron that indirectly shows me whether you would benefit from iron pills.” “Ferritin is a protein-iron complex that allows your red blood cells to make use of the iron that you consume in your diet.” “Ferritin is the form of iron that is transported in your blood plasma to the red blood cells that need it.” Question 7 1 / 1 point A nurse practitioner is teaching her colleagues about the role of cytokines in a variety of pathologies. Which of the following teaching points best captures an aspect of the functions and nature of cytokines? Question options: “A particular cytokine can have varied effects on different systems, a fact that limits their therapeutic use.” “Cytokine production is constant over time, but effects are noted when serum levels cross a particular threshold.” “Most cytokines are produced by granular leukocytes, and different cells are capable of producing the same cytokine.” “Cytokine actions are self-limiting in that activation of one precludes activation of other cytokines with similar actions.” Question 8 1 / 1 point Which of the following phenomena would be least likely to result in activation of the complement system? Question options: Recognition of an antibody bound to the surface of a microbe The binding of mannose residues on microbial glycoproteins Activation of Toll-like receptors (TLRs) on complement proteins Direct recognition of microbial proteins Question 9 1 / 1 point A 71-year-old male patient with a history of myocardial infarction and peripheral vascular disease has been advised by his nurse practitioner to begin taking 81 mg aspirin once daily. Which of the following statements best captures an aspect of the underlying rationale for the nurse practitioner's suggestion? Question options: Platelet aggregation can be precluded through inhibition of prostaglandin production by aspirin. Aspirin helps to inhibit adenosine disphosphate (ADP) action and minimizes platelet plug formation. Aspirin can reduce unwanted platelet adhesion by inhibiting thromboxane A2 (TXA2) synthesis. Aspirin inhibits the conversion of fibrinogen into fibrin and consequent platelet plug formation. Question 10 1 / 1 point The blood work of a 44-year-old male patient with a diagnosis of liver disease secondary to alcohol abuse indicates low levels of albumin. Which of the following phenomena would a clinician be most justified in anticipating? Question options: Impaired immune function Acid-base imbalances Impaired thermoregulation Fluid imbalances [Show More]

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