Tested Questions With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Inadequate hormone production due to gland absence,
What characterizes endocrine hypofunction?
enzyme deficiency, or destruction.
Excess hormone production from an abnormal ectopic
What is a paraneoplastic syndrome in endocrine function?
source, such as a malignant tumor.
Normal/high hormone levels with target cell failure due to
What is the mechanism of hormone resistance?
receptor or intracellular defects.
The target endocrine gland responsible for producing the
What is the origin of a primary endocrine disorder?
hormone.
Where is the disruption in a secondary endocrine disor-
The pituitary gland or the hypothalamus.
der?
What does a tertiary endocrine disorder refer to? Dysfunction originating specifically in the hypothalamus.
Which hormones are secreted by the posterior pituitary? Antidiuretic hormone (ADH) and oxytocin.
Which anterior pituitary hormone controls cortisol re-
Adrenocorticotropic hormone (ACTH).
lease?
What is the primary cause of hyperpituitarism? Pituitary tumors, typically benign adenomas.
What percentage of the anterior pituitary must be de-
75%
stroyed for hypopituitarism to show?
Pituitary infarction occurring after substantial blood loss
What is Sheehan syndrome?
during childbirth.
How do high glucocorticoid levels attect Growth Hormone
They inhibit growth by antagonizing GH secretion.
(GH) in children?
Most Growth Hormone ettects depend on which liv-
Insulin-like growth factors (IGFs), particularly IGF-1.
er-produced peptides?
What is the metabolic ettect of Growth Hormone on fatty It enhances fatty acid mobilization and increases their use
acids? for fuel.
How does prolonged Growth Hormone excess attect It increases glucose levels by inducing insulin resistance in
blood glucose? peripheral tissues.
1/6
, NUR 612 Endocrine Comprehensive Resource To Help You Ace 2026-2027 Exams Includes Frequently
Tested Questions With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Which two hypothalamic hormones regulate GH secre-
GH-releasing hormone (GHRH) and somatostatin.
tion?
Height <3rd percentile or <2 standard deviations below
Define 'short stature' in children.
the population mean.
Abnormal GH receptors leading to deficient IGF-1 produc-
What is the pathophysiological defect in Laron syndrome?
tion despite high GH levels.
How do bone and chronologic age compare in constitu-
The bone age is less than the chronologic age.
tional delay of growth?
Height >97th percentile or >2 standard deviations above
What defines 'tall stature' in children?
the population mean.
What is the result of GH excess occurring before puberty? Pituitary gigantism.
A GH-secreting somatotroph adenoma in the pituitary
What is the most common cause of acromegaly?
gland.
The GH excess occurs after the epiphyses of the long
Why does acromegaly not result in increased height?
bones have fused.
Bulbous nose, protruding lower jaw (prognathism), and a
List three characteristic facial features of acromegaly.
slanting forehead.
Which metabolic condition is found in 20% to 35% of
Diabetes mellitus (DM).
acromegaly patients?
The glucose challenge test (failure of glucose to suppress
What is the confirmatory lab test for acromegaly?
GH).
Early activation of the hypothalamic-pituitary-gonadal axis
Define precocious puberty.
before age 8 (girls) or 9 (boys).
What are the functional units of the thyroid gland called? Follicles.
What is the role of thyroid peroxidase (TPO) in hormone It oxidizes iodide and couples it with thyroglobulin to form
synthesis? T₃ and T₄.
Thyroxine (T₄).
2/6