Stem cells are considered "almost immortal," as they renew the different types of cells in the body. Where do stem cells develop into T cells?
A) Bone marrow
B) Lymph nodes
C) Spleen
D) Thymus
Ans: D
Feedback: Stem cells continuously migrate from the bone marrow to the thymus gland, where they develop into T cells. Despite the partial degeneration of the thymus gland that occurs at puberty, T cells continue to develop here. Options A, B, and C are incorrect.
You might also like to view...
On returning to the nurse's station, the LPN discovers that the daughter of a frail but competent resident is reading her mother's chart. The woman says, "I am entitled to see my mother's medical record
" The nurse's best response would be: 1. "What is it that you believe you need to know? Give me the chart." 2. "You must understand that only your mother has the right to read the contents of her medical record. Please give me the chart." 3. "Although the chart itself is not available to you to read, I would be glad to try and answer any questions you have. May I have the chart, please?" 4. "Reading that chart is a very serious violation of your mother's privacy. I cannot allow you to see it. Please put the chart down."
A 16-year-old adolescent who was sexually abused as a child tells the nurse in the clinic that she is having nightmares about the boys in her class
Which outcome is a realistic short-term goal for her diagnosis of Sleep Pattern Disturbance? The client will: a. verbalize her anxiety and fear about sexual abuse b. identify goals for relationships with boys c. identify two ways to discuss her feelings with her mother d. state that she enjoys school
What guidelines should be followed when using gloves?
What will be an ideal response?
The nurse is caring for a patient with Graves disease. On which laboratory value should the nurse focus for this patient?
A. Calcium B. Cortisol C. Urine-specific gravity D. Thyroid antibodies