Mike, a 32-year-old with a suspected immunodeficiency, is undergoing diagnostic tests.
Which type of lymphocytes are responsible for either generating sensitized lymphocytes or antibodies?
B lymphocytes
Suppressor T cells
T cells
Hematopoietic stem cells
Hematopoietic stem cells
The Correct Answer is A
A. B lymphocytes, also known as B cells, are responsible for generating sensitized lymphocytes (memory cells) and antibodies (immunoglobulins).
B. Suppressor T cells (T regulatory cells) are involved in modulating the immune response, but they do not generate sensitized lymphocytes or antibodies.
C. T cells play various roles in the immune response, including cell-mediated immunity, but they are not primarily responsible for generating antibodies.
D. Hematopoietic stem cells are multipotent stem cells that give rise to all blood cells, including B and T lymphocytes, but they do not directly generate sensitized lymphocytes or antibodies.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Colorectal cancer could be a concern but is not the immediate concern when a patient presents with black, tarry stools, which typically indicate upper gastrointestinal bleeding.
B. Antacids do not typically cause black, tarry stools.
C. Consuming too much fiber may cause changes in stool consistency but is not typically associated with black, tarry stools.
D. Black, tarry stools are often indicative of upper gastrointestinal bleeding, which can be serious and requires immediate medical attention.
Correct Answer is C
Explanation
A. Multiple rib fractures are unlikely to enhance gas diffusion; instead, they can impair ventilation by reducing the ability of the chest wall to expand.
B. Multiple rib fractures can indeed increase the workload of the diaphragm as it tries to compensate for the decreased ability of the chest wall to expand during breathing.
C. Multiple rib fractures can restrict chest wall movement, leading to compromised ventilation efficiency.
D. Multiple rib fractures wouldn't directly improve pulmonary blood supply; they can lead to pain and impaired lung function.
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