What is a pathogen?
A disease-producing microorganism
The direction, or course, in which the disease progresses
A carcinogenic bacteria
The generic name for various diseases
The Correct Answer is A
A. A disease-producing microorganism:
A pathogen is defined as a microorganism (such as bacteria, virus, fungus, or parasite) that causes disease.
B. The direction, or course, in which the disease progresses:
This describes the pathogenesis of a disease, not a pathogen.
C. A carcinogenic bacteria:
Not all pathogens are carcinogenic. Some may be, but the term "pathogen" simply refers to any disease-causing agent.
D. The generic name for various diseases:
A pathogen is not a name for diseases themselves but for the microorganisms that cause them.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. The virus affects the red blood cells
HIV primarily affects CD4+ T-helper white blood cells, not red blood cells.
B. The virus affects the white blood cells
HIV destroys CD4+ T-cells, weakening the immune response, leading to immunodeficiency.
C. The virus affects the platelets
Platelets are involved in clotting, not in the immune deficiency caused by HIV.
D. The virus affects the liver
Although medications for HIV may affect the liver, HIV itself targets the immune system, not liver cells directly.
Correct Answer is B
Explanation
A. This fever could cause a seizure:
Febrile seizures are typically associated with temperatures >102°F, especially when rising rapidly.
B. A low-grade temperature can decrease multiplication of pathogens:
A mild fever is a normal immune response that creates an environment less favorable for pathogens to multiply and can enhance immune activity.
C. The child should be taking fever reducing medicine:
Antipyretics may not be necessary for a low-grade fever unless the child is uncomfortable.
D. This is serious, they need to see the doctor right away:
A temperature of 100.3°F is considered low-grade and generally not serious in an otherwise healthy child.
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