A nurse is reinforcing teaching provided to a client and their caregivers on pituitary disorders that result in growth deficits. Which hormone does the nurse explain is primarily responsible for regulating growth in children?
Prolactin
Thyroid-stimulating hormone (TSH)
Growth hormone (GH)
Adrenocorticotropic hormone (ACTH)
The Correct Answer is C
A. Prolactin:
Prolactin promotes lactation, not growth.
B. Thyroid-stimulating hormone (TSH):
TSH regulates the thyroid gland but is not the primary growth hormone.
C. Growth hormone (GH):
GH, secreted by the anterior pituitary, stimulates growth in bones and tissues.
D. Adrenocorticotropic hormone (ACTH):
ACTH stimulates the adrenal cortex, not growth.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Progesterone: Related to reproductive cycle; not primary in stress response.
B. Testosterone: May decrease under stress, but this is not the primary indicator.
C. Cortisol: Cortisol is a stress hormone secreted by the adrenal cortex; elevated in stress.
D. LH: May fluctuate with stress, but not a main stress indicator.
Correct Answer is A
Explanation
A. Reduces the chromosome number from 46 to 23: Meiosis produces gametes (egg and sperm) with half the genetic material.
B. Occurs in every cell in the body except the egg cell and sperm cell: That describes mitosis.
C. Occurs in the ovum but not the sperm: Meiosis occurs in both egg and sperm cells.
D. Increases the chromosome number from 23 to 46: That happens at fertilization, not during meiosis.
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