Which statement is TRUE concerning bacteria?
Cause mycotic infections
Include mold and yeast
Are not part of the normal flora of the intestines
Include cocci, bacilli, and curved rods
The Correct Answer is D
A. Cause mycotic infections:
Mycotic (fungal) infections are caused by fungi, not bacteria.
B. Include mold and yeast:
Molds and yeasts are fungi, not bacteria.
C. Are not part of the normal flora of the intestines:
Bacteria are a significant part of the normal intestinal flora (e.g., E. coli, Bacteroides).
D. Include cocci, bacilli, and curved rods:
Bacteria are classified by shape: cocci (spherical), bacilli (rod-shaped), and curved rods (e.g., Vibrio cholerae).
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Naturally acquired active immunity
This results from infection and the body’s own immune response—not applicable to newborns.
B. Artificially acquired passive immunity
This comes from injection of antibodies (e.g., immunoglobulins)—not from the mother.
C. Naturally acquired passive immunity
This is passed from mother to child through the placenta (IgG antibodies) and via breast milk (IgA).
D. Artificially acquired active immunity
This comes from vaccines that stimulate the body to produce its own antibodies.
Correct Answer is A
Explanation
A. Enlarged, painful cervical lymph nodes:
The cervical lymph nodes drain the area of the throat. Infection leads to inflammation and enlargement of these nodes.
B. Enlarged thymus gland:
The thymus is primarily active in children and does not respond to infections like lymph nodes do.
C. Enlarged inguinal lymph nodes:
Inguinal lymph nodes drain the lower extremities and genital area, not the throat.
D. Cervical lymph node cancer:
Cancer is not a typical complication of pharyngitis. Lymph node enlargement here is due to immune response, not malignancy.
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