Which of the following organs is part of the lymphatic system?
Liver
Parotid glands
Spleen
Pancreas
The Correct Answer is C
A. Liver: Produces many plasma proteins and has immune roles, but it is not classified as a primary lymphatic organ.
B. Parotid glands: Major salivary (exocrine) glands that produce saliva, not components of the lymphatic system.
C. Spleen: A lymphatic organ that filters blood, removes old red cells, and participates in immune responses.
D. Pancreas: An endocrine and exocrine gland that regulates glucose and secretes digestive enzymes, not a lymphatic organ.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Child contracting chickenpox in daycare: Represents naturally acquired active immunity, because the child’s immune system responds to the infection and produces its own antibodies.
B. Antiserum injected after snake bite: Represents artificially acquired passive immunity, since ready-made antibodies are given.
C. Flu vaccine administered at clinic: Represents artificially acquired active immunity, since antigens stimulate the body’s immune response.
D. Antibodies transferred to an infant during breastfeeding or pregnancy: Represents naturally acquired passive immunity, as antibodies from the mother provide temporary protection to the infant.
Correct Answer is D
Explanation
A. Luteinizing Hormone (LH): LH triggers ovulation and supports the corpus luteum, but it is not the primary hormone that stimulates uterine contractions during labor.
B. Follicle Stimulating Hormone (FSH): FSH promotes follicle development in the ovary during the menstrual cycle, not uterine contractions.
C. Aldosterone: A mineralocorticoid that regulates sodium and potassium balance in the kidneys; it does not induce uterine contractions.
D. Oxytocin: Released from the posterior pituitary and from the uterus, oxytocin stimulates rhythmic uterine smooth muscle contractions during labor.
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