Which of the following are described as partially encapsulated lymph nodes located in the throat area?
Tonsils
Thyroid gland
Thymus gland
Spleen
The Correct Answer is A
A. Tonsils:
Tonsils are lymphatic tissues located in the pharyngeal region; they are partially encapsulated and help trap airborne or ingested pathogens.
B. Thyroid gland:
The thyroid is an endocrine gland that regulates metabolism, not part of the lymphatic system.
C. Thymus gland:
The thymus is fully encapsulated and located in the mediastinum; it matures T cells.
D. Spleen:
The spleen is a fully encapsulated lymphoid organ located in the left upper quadrant of the abdomen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Worm
Worms (helminths) are parasitic but can live independently of a host temporarily in certain environments.
B. Fungi
Fungi can survive and reproduce in non-living environments like soil or dead organic matter.
C. Arthropod
Arthropods (e.g., mosquitoes, ticks) can live freely and act as vectors but do not require a host to survive.
D. Virus
Viruses are obligate intracellular parasites and must infect a living host cell to reproduce and
Correct Answer is B
Explanation
A. Cardiovascular
The cardiovascular system transports blood and immune cells but is not a barrier against pathogens.
B. Integumentary
The skin and mucous membranes form the first physical barrier, preventing pathogen entry.
C. Urinary
The urinary system flushes out pathogens but is not the primary barrier to entry.
D. Endocrine
The endocrine system regulates hormones, not involved in first-line defense.
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