Indicate whether each statement is true or false. If the statement is false, change the underlined word or phrase to make the statement true.

_____ Candida albicans generally causes localized opportunistic infections but can become systemic, particularly in the immunocompetent.

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Step 1: Understand the organism mentioned, Candida albicans, which is a type of yeast commonly found as part of the normal flora in humans but can cause infections under certain conditions.

Step 2: Recognize the term 'opportunistic infections,' which means infections that occur more frequently or are more severe in individuals with weakened immune systems.

Step 3: Analyze the statement that Candida albicans causes localized opportunistic infections but can become systemic, particularly in the immunocompetent. Recall that systemic infections usually occur in immunocompromised, not immunocompetent, individuals.

Step 4: Determine that the phrase 'immunocompetent' is incorrect in this context and should be replaced with 'immunocompromised' to make the statement true.

Step 5: Conclude that the corrected statement should read: 'Candida albicans generally causes localized opportunistic infections but can become systemic, particularly in the immunocompromised.'

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Candida albicans as an Opportunistic Pathogen

Candida albicans is a fungal organism commonly found as part of the normal human microbiota. It usually causes localized infections, such as oral thrush or vaginal candidiasis, especially when the host's immune defenses are weakened or disrupted.

Systemic Candidiasis and Host Immune Status

Systemic infections by Candida albicans occur when the fungus enters the bloodstream and spreads throughout the body. These severe infections primarily affect immunocompromised individuals, such as those with HIV/AIDS, cancer, or undergoing immunosuppressive therapy, rather than immunocompetent hosts.

Definition of Immunocompetent vs. Immunocompromised

An immunocompetent individual has a fully functioning immune system capable of fighting infections effectively. In contrast, immunocompromised individuals have weakened immune defenses, making them more susceptible to opportunistic infections like systemic candidiasis.

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