A 30-year-old man has spent 5 hours on a cross-country flight seated next to a passenger who has been sneezing and coughing, and the man has been inhaling viral particles periodically. Which of the following situations would most likely result in the stimulation of the man's T lymphocytes and adaptive immune system?
August 30, 2018
Describe your thoughts on the role health care professionals should play in resolving the ethical issue.
August 30, 2018

1. A 22-year-old female who adheres to a vegan diet has been diagnosed with iron-deficiency anemia. Which of the following components of her diagnostic blood work would be most likely to necessitate further investigation? (Points : 0.4)
Decreased mean corpuscular volume (MCV)
Decreased hemoglobin and hematocrit
Microcytic, hypochromic red cells
Decreased erythropoietin levels
Question 2. 2. A child has been diagnosed with thalassemia. Which of the following other health problems is the child at risk for? (Points : 0.4)
Iron and ferritin deficiencies
Splenomegaly and hepatomegaly
Question 3. 3. A 24-year-old woman presents with fever and painful, swollen cervical lymph nodes. Her blood work indicates neutrophilia with a shift to the left. She most likely has: (Points : 0.4)
A mild parasitic infection
A severe bacterial infection
A mild viral infection
A severe fungal infection
Question 4. 4. A couple who are expecting their first child have been advised by friends to consider harvesting umbilical cord blood in order to have a future source of stem cells. The couple have approached their nurse practitioner with this request and are seeking clarification of exactly why stem cells are valuable and what they might expect to gain from harvesting them. How can the nurse practitioner best respond to the couple’s inquiry? (Points : 0.4)
“Stem cells can help correct autoimmune diseases and some congenital defects.”
“Stem cells can be used to regenerate damaged organs should the need ever arise.”
“Stem cells can be used as a source of reserve cells for the entire blood production system.”
“Stem cells can help treat some cancers and anemias, but they must come from your child himself or herself.”
Question 5. 5. 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? (Points : 0.4)
The girl has a temperature of 38.1°C (100.6°F) and has enlarged lymph noes.
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 6. 6. A 60-year-old woman is suspected of having non-Hodgkin lymphoma (NHL). Which of the following aspects of her condition would help to rule out Hodgkin lymphoma? (Points : 0.4)
Her neoplasm originates in secondary lymphoid structures.
The lymph nodes involved are located in a large number of locations in the lymphatic system.
The presence of Reed-Sternberg cells has been confirmed.
The woman complains of recent debilitating fatigue.
Question 7. 7. A nurse practitioner is explaining to a 40-year-old male patient the damage that Mycobacterium tuberculosis could do to lung tissue. Which of the following phenomena would underlie the nurse practitioner’s explanation? (Points : 0.4)
Tissue destruction results from neutrophil deactivation.
Nonspecific macrophage activity leads to pulmonary tissue destruction and resulting hemoptysis.
Macrophages are unable to digest the bacteria, resulting in immune granulomas.
Neutrophils are ineffective against the Mycobacterium tuberculosis antigens.

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