Which of the following are true about precocious puberty? (Select all that apply, some, one, or none)
May be idopathic
Peripheral precocious puberty is independent of gonadotropin release from the pituitary gland
Central precocious puberty is caused by premature activation of the hypothalamic-pituitary-gonadal (HPG) axis
It is defined as the onset of secondary sexual characteristics before age 8 in girls and age 9 in boys
Tall stature during childhood is a common feature, but final adult height may be shorter than expected without treatment
Correct Answer : A,B,C,D,E
A. May be idiopathic: In many cases, especially central precocious puberty, no identifiable underlying cause is found. This is referred to as idiopathic precocious puberty and is a common diagnosis, particularly in girls.
B. Peripheral precocious puberty is independent of gonadotropin release from the pituitary gland: Peripheral (or gonadotropin-independent) precocious puberty occurs due to hormone secretion from sources other than the pituitary, such as adrenal tumors or ovarian cysts.
C. Central precocious puberty is caused by premature activation of the hypothalamic-pituitary-gonadal (HPG) axis: This is the most common form and involves early activation of the normal puberty pathway via the HPG axis.
D. It is defined as the onset of secondary sexual characteristics before age 8 in girls and age 9 in boys: This is the widely accepted medical definition of precocious puberty based on chronological age for the appearance of secondary sexual characteristics.
E. Tall stature during childhood is a common feature, but final adult height may be shorter than expected without treatment: Early growth spurts can lead to early closure of growth plates, resulting in reduced adult height if untreated.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Nausea: Nausea can occur with peptic ulcers, particularly if gastric emptying is delayed or if inflammation affects the stomach lining. However, it is not the most common or defining symptom.
B. Pain in the epigastric region: Epigastric pain is the hallmark symptom of peptic ulcers. It is typically described as burning or gnawing and may occur between meals or at night, often relieved by eating or antacids.
C. Melena: Melena, or black tarry stools, can occur if the ulcer bleeds, but this is more of a complication than a routine symptom. It indicates gastrointestinal bleeding and requires urgent evaluation.
D. Decreased appetite: Appetite changes may occur, especially if eating exacerbates pain in gastric ulcers. However, decreased appetite is not as frequent or specific a symptom as epigastric pain.
Correct Answer is C
Explanation
A. Inflammation of the spinal cord: viral infection: This describes myelitis, which specifically affects the spinal cord, not encephalitis, which involves brain tissue inflammation.
B. A tumor of the brain: A brain tumor is a neoplastic growth and does not describe encephalitis, which is an inflammatory condition of the brain.
C. Inflammation of the brain tissue; viral infection: Encephalitis is inflammation of the brain parenchyma, most commonly caused by viral infections such as herpes simplex virus, which directly infect and inflame brain tissue.
D. Infection of the meninges: bacterial infection: This describes meningitis, an infection of the protective membranes surrounding the brain and spinal cord, not encephalitis, which affects the brain tissue itself.
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