Intro to anterior pituitary

Which hormone class has adrenal glands, gonads, and placenta listed as its primary site of production?
Steroid hormones
Protein hormones
Amine hormones
Glycoprotein hormones

Which class of hormones has thyroid and adrenal glands listed as its designated site of production?
Amine hormones
Steroid hormones
Protein hormones
Glycoprotein hormones

Which class list includes anterior pituitary, placenta, and parathyroid glands as its site of production?
Protein hormones
Steroid hormones
Amine hormones
Fatty acid hormones

Which class of hormones is structurally composed entirely of cholesterol?
Steroid hormones
Protein hormones
Amine hormones
Glycoprotein hormones

Which class of hormones is chemically derived from amino acids?
Amine hormones
Steroid hormones
Protein hormones
Glycoprotein hormones

Which class of hormones is uniquely described as synthesized as needed, not stored?
Steroid hormones
Protein hormones
Amine hormones
Glycoprotein hormones

Which two classes are synthesized, then stored in the cell as secretory granules until needed?
Protein hormones and Amine hormones
Steroid hormones and Protein hormones
Steroid hormones and Amine hormones
Steroid hormones and Lipid hormones

Steroid hormones are characterized as being soluble in which medium?
Lipid
Water
Alcohol
Saline

Protein hormones are explicitly classified as being soluble in which substance?
Water
Lipid
Solvent
Plasma

Which class of hormones requires a protein carrier because they are lipid-soluble?
Steroid hormones
Protein hormones
Catecholamine amine hormones
Peptide hormones

Why do protein hormones have do not need protein carrier listed as their rule?
They are water-soluble
They are lipid-soluble
They are made of cholesterol
They are synthesized as needed

Which specific group of hormones are marked with an asterisk (*) and categorized as glycoprotein hormones under the protein class?
FSH, LH, TSH, and hCG
Cortisol and Aldosterone
Epinephrine and Norepinephrine
Thyroxine and Triiodothyronine

Which hormones are classified as catecholamines under the amine hormone class?
Epinephrine and Norepinephrine
Thyroxine and Triiodothyronine
Cortisol and Aldosterone
FSH and LH

Which specific molecules are sub-classified as thyroid hormones?
Thyroxine and Triiodothyronine
Epinephrine and Norepinephrine
Glucagon and Prolactin
Cortisol and Aldosterone

Which specific organ produces TRH, CRF, and GnRH?
Hypothalamus
Anterior Pituitary
Posterior Pituitary
Thyroid

Which gland produces TSH, ACTH, FSH, LH, Prolactin, and GH?
Anterior Pituitary
Hypothalamus
Posterior Pituitary
Adrenal Cortex

Which gland stores and releases vasopressin and oxytocin even though they are produced by the hypothalamus?
Posterior Pituitary
Anterior Pituitary
Adrenal Medulla
Thyroid

Which specific region is the site of production for epinephrine and norepinephrine?
Adrenal Medulla
Adrenal Cortex
Anterior Pituitary
Parathyroid

Which area produces the steroid hormones cortisol, 11-deoxycortisol, and aldosterone?
Adrenal Cortex
Adrenal Medulla
Hypothalamus
Pancreas

Which gland produces T3, T4, and calcitonin?
Thyroid
Parathyroid
Adrenal Cortex
Anterior Pituitary

Which gland is responsible for producing parathyroid hormone (PTH)?
Parathyroid
Thyroid
Adrenal Cortex
Anterior Pituitary

Which organ produces insulin and glucagon?
Pancreas
Ovaries
Testes
Adrenal Cortex

Which organs are designated as the source for estrogens?
Ovaries
Testes
Pancreas
Thyroid

Which organs are listed as the tissue of origin for testosterone and other androgens?
Testes
Ovaries
Adrenal Medulla
Anterior Pituitary

What determines the unique functional specificity of glycoprotein hormones?
Beta chains
Alpha chains
Carbohydrate chains
Polypeptide twins

What property is shared among the alpha chains of FSH, LH, TSH, and hCG?
They are the same in all of these hormones
They vary based on the tissue of origin
They change depending on blood glucose levels
They are synthesized from cholesterol

Which hypothalamic factor directly regulates luteinizing hormone (LH)?
GnRH from hypothalamus
TRH from hypothalamus
CRH from hypothalamus
Somatostatin from hypothalamus

What precise event involving Luteinizing Hormone (LH) is responsible for triggering ovulation?
A sharp spike upward
A sudden low level
A gradual decline over days
Constant baseline stabilization

Follicle-stimulating hormone (FSH) regulation is driven by which molecule?
Gonadotropin-releasing hormone (GnRH) from hypothalamus
Thyrotropin-releasing hormone (TRH) from hypothalamus
Corticotropin-releasing hormone (CRH) from hypothalamus
Prolactin-releasing factor (PRF) from hypothalamus

What factor from the hypothalamus regulates the thyroid production of T3 and T4?
Thyrotropin-releasing hormone (TRH)
Corticotropin-releasing hormone (CRH)
Gonadotropin-releasing hormone (GnRH)
Growth-hormone releasing hormone (GHRH)

Which hypothalamic hormone regulates adrenocorticotropic hormone secretion?
Corticotropin-releasing hormone (CRH)
Thyrotropin-releasing hormone (TRH)
Gonadotropin-releasing hormone (GnRH)
Growth-hormone releasing hormone (GHRH)

What specific diurnal variation pattern does ACTH display?
Highest levels in early morning, lowest in late afternoon
Lowest levels in early morning, highest in late afternoon
Spiking only in the middle of the night
Remaining perfectly flat throughout the full day

Which pair of hypothalamic factors coordinates to regulate growth hormone (GH) secretion?
GHRH and somatostatin
TRH and CRH
PRF and PIF
GnRH and dopamine

Which factors from the hypothalamus coordinate to direct prolactin secretion?
PRF and prolactin inhibiting factor (PIF)
GHRH and somatostatin
TRH and CRH
GnRH and baseline cortisol

What main change stimulates the release of vasopressin?
Increased osmolality or decreased blood volume or blood pressure
Decreased plasma osmolality
Spiking systemic glucose levels
High levels of oxytocin secretion

What happens to FSH & LH levels during ovarian failure or menopause?
They increase
They decrease
They stay at zero
They show no change

What direct clinical consequence happens if there is low LH?
Decreased testosterone
Increased ovulation
Accelerated follicle maturation
Excessive egg production

An increase in ACTH is a classic feature of which disease state?
Cushing's disease
Diabetes insipidus
Dwarfism
Gigantism

Increased GH during childhoodcauses which condition?
Gigantism
Acromegaly
Dwarfism
Cushing's disease

Increased GH during adulthood leads to which clinical diagnosis?
Acromegaly
Gigantism
Dwarfism
Myxedema

An individual with decreased GH during childhood will develop which condition?
Dwarfism
Gigantism
Acromegaly
Cushing's disease

A decrease in vasopressin action is the core feature of diabetes insipidus, which impacts what target organ?
Kidneys
Breasts and uterus
Adrenal cortex
Thyroid gland