What is a common Sexually Transmitted Infection (STI)?
Erectile dysfunction
Chancroid
Epispadias
Orchitis
The Correct Answer is B
A. Erectile dysfunction:
Erectile dysfunction is not an STI; it is a sexual health condition often related to physical or psychological issues.
B. Chancroid:
Chancroid is a bacterial STI caused by Haemophilus ducreyi, characterized by painful ulcers on the genital area.
C. Epispadias:
Epispadias is a congenital birth defect where the urethra does not develop properly. It is not an STI.
D. Orchitis:
Orchitis is inflammation of the testicles, often caused by infections (like mumps or other viral infections), but not typically classified as an STI.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. They bind to infected cells and are activated by cytokines:
This describes cytotoxic T cells (CD8+ cells), which kill infected cells, not helper T cells.
B. They activate B cells and produce small cells called cytokines:
Helper T cells (CD4+ cells) stimulate B cells to produce antibodies and secrete cytokines to coordinate the immune response.
C. They destroy infected cells by producing proteins targeting cell membranes:
Again, this is the role of cytotoxic T cells, not helper T cells.
D. They are non-responsive during active infections:
Helper T cells are highly active during infections, directing other immune cells. They are not non-responsive.
Correct Answer is ["C","E"]
Explanation
A. Lung abscess:
A lung abscess is a localized pus collection from infection, not a cause of COPD.
B. Pneumothorax:
Pneumothorax is air in the pleural space, causing lung collapse, but it is not a cause of COPD.
C. Pulmonary emphysema:
Emphysema is a destruction of alveolar walls and a main component of COPD.
D. Histoplasmosis:
Histoplasmosis is a fungal infection; while it can cause chronic lung problems, it is not a classic cause of COPD.
E. Chronic asthma:
Chronic, poorly controlled asthma can lead to airway remodeling, contributing to COPD development.
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