Clinical Chemistry II, Quiz 15.

Pituitary gigantism is associated with which of the following?

GH excess

Oxytocin and antidiuretic hormone (ADH) are hormones that are released by the:

posterior pituitary

Which of the following electrolyte results is characterized by the syndrome of inappropriate antidiuretic hormone secretion (SIADH)?

Low serum and urine sodium

Which hormone stimulates water reabsorption?

ADH (vasopressin)

The __________ secretes releasing hormones that stimulate the anterior pituitary to release other hormones with other targets in the body.

hypothalamus

Which of the following characterizes diabetes insipidus?

Deficiency in vasopressin release

Pituitary secretion of ACTH is inhibited by elevated levels of:

cortisol

Which of the following is an anterior pituitary hormone?

ACTH

Which hormone is not low in patients with panhypopiuitarism?

hCG

A patient with syndrome of inappropriate secretion of antidiuretic hormone (SIADH) would present with which of the following laboratory results?

Decreased serum sodium, osmolality, chloride, and increased urine sodium

Which of the following is the most common type of functional pituitary tumor?

prolactin-secreting

A growth hormone secreting-tumor in an adult may result in which of the following conditions?

acromegaly

Which of the following is a tropic (stimulating) hormone?

growth hormone

Which of the following hormones is secreted by the posterior pituitary gland?

ADH

An endocrinologist reviews the following results with his 21-year-old male patient who presented with anosmia.

FSH 0.8 mIU/mL (1-10)

LH 0.3 mIU/mL (2-10)

Testosterone 1.5 nmol/L (9-38)

Which of the following conditions correlate with these results?

Kallmann's syndrome

What anterior pituitary hormone lacks a stimulatory hypophysiotropic hormone?

Arginine vasopressin

Adrenocorticotropic hormone is inhibited by elevated levels of what hormone?

cortisol

What endocrine gland stimulates the secretion of pituitary hormones?

hypothalamus

Which of the following hormones is made by the hypothalamus and stored in the posterior pituitary gland?

Antidiuretic hormone

A deficiency of arginine vasopressin can lead to which of the following disorders?

Diabetes insipidus