Endocrine True or False

True or False: In humans, melatonin may inhibit sexual maturation.

True

True or False: The antagonistic hormones that regulate the blood calcium level are calcitonin-parathormone.

True

True or False: The hormone that raises blood sugar levels is insulin.

False

True or False: The endocrine structure that develops from the nervous system is the anterior pituitary.

False

True or False: Both "turn on" factors (hormonal, humoral, and neural stimuli) and "turn off" factors (feedback inhibition and others) may be modulated by the activity of the nervous system.

True

True or False: ACTH stimulates the adrenal cortex to release corticosteroid hormones.

True

True or False: LH is also referred to as a gonadotropin.

True

True or False: The only known effect of prolactin in humans is to produce impotence in males.

False

True or False: Oxytocin is a strong stimulant of uterine contractions.

True

True or False: Follicle cells of the thyroid gland produce thyroglobulin, while follicle cells of the parathyroid produce calcitonin.

False

True or False: The thyroid gland is embedded in the parathyroid tissue.

False

True or False: The prime metabolic effect of cortisol is gluconeogenesis.

True

True or False: The beta cells are the pancreatic islet cells that produce insulin.

True

True or False: Peptide hormones enter the target cells and elicit a response by mediating neurotransmitter effects.

False

True or False: Calcitonin is a peptide hormone that has destructive effects on the skeletal system.

False

True or False: Aldosterone is the most potent mineralocorticoid produced in the adrenals but the least abundant.

False

True or False: Atrial natriuretic peptide is a hormone that controls blood pressure in part by increasing the urinary excretion of sodium

True

True or False: While glucagon is a small polypeptide, it is nevertheless very potent in its regulatory effects.

True

True or False: The thyroid gland is a large gland that controls metabolic functions throughout the life of an individual.

True

True or False: Many hormones synthesized in the gastrointestinal tract are chemically identical to brain neurotransmitters.

True

True or False: All of the following hormones are secreted by the adenohypophysis: ACTH, FSH, and LH.

True

True or False: Iodine is an essential element required for the synthesis of thyroxine.

True

True or False: The endocrine gland that is probably malfunctioning if a person has a high metabolic rate is the parathyroid.

False

True or False: Growth hormone always exerts its influence by targeting other endocrine glands to produce hormones.

False

True or False: Diabetes insipidus and diabetes mellitus are both caused by a genetic mutation involving the synthesis of insulin.

False

True or False: The stimulus for calcitonin release is usually excessive amounts of growth hormone synthesis.

False

True or False: Glucocorticoids are steroid hormones that usually enhance the immune responses when an individual is suffering from severe stress.

False

True or False: Direct gene activation involves a second-messenger system.

False

True or False: All peptide hormone synthesis requires gene activation that produces mRNA.

True

True or False: All adenohypophyseal hormones except GH affect their target cells via a cyclic AMP second-messenger.

True

The size and shape of a pea; produces hormones that stimulate other endocrine glands.

Hypophysis

The gland that controls the fight-or-flight reaction.

Adrenal Medulla

Produces hormones that regulate glucose levels in the body.

Pancreas

Produces a hormone that controls blood levels of calcium and potassium by their removal from bone tissue.

Parathyroid

Produces the body's major metabolic hormones.

Thyroid

Endocrine True or False - Subjecto.com

Endocrine True or False

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True or False: In humans, melatonin may inhibit sexual maturation.

True

True or False: The antagonistic hormones that regulate the blood calcium level are calcitonin-parathormone.

True

True or False: The hormone that raises blood sugar levels is insulin.

False

True or False: The endocrine structure that develops from the nervous system is the anterior pituitary.

False

True or False: Both "turn on" factors (hormonal, humoral, and neural stimuli) and "turn off" factors (feedback inhibition and others) may be modulated by the activity of the nervous system.

True

True or False: ACTH stimulates the adrenal cortex to release corticosteroid hormones.

True

True or False: LH is also referred to as a gonadotropin.

True

True or False: The only known effect of prolactin in humans is to produce impotence in males.

False

True or False: Oxytocin is a strong stimulant of uterine contractions.

True

True or False: Follicle cells of the thyroid gland produce thyroglobulin, while follicle cells of the parathyroid produce calcitonin.

False

True or False: The thyroid gland is embedded in the parathyroid tissue.

False

True or False: The prime metabolic effect of cortisol is gluconeogenesis.

True

True or False: The beta cells are the pancreatic islet cells that produce insulin.

True

True or False: Peptide hormones enter the target cells and elicit a response by mediating neurotransmitter effects.

False

True or False: Calcitonin is a peptide hormone that has destructive effects on the skeletal system.

False

True or False: Aldosterone is the most potent mineralocorticoid produced in the adrenals but the least abundant.

False

True or False: Atrial natriuretic peptide is a hormone that controls blood pressure in part by increasing the urinary excretion of sodium

True

True or False: While glucagon is a small polypeptide, it is nevertheless very potent in its regulatory effects.

True

True or False: The thyroid gland is a large gland that controls metabolic functions throughout the life of an individual.

True

True or False: Many hormones synthesized in the gastrointestinal tract are chemically identical to brain neurotransmitters.

True

True or False: All of the following hormones are secreted by the adenohypophysis: ACTH, FSH, and LH.

True

True or False: Iodine is an essential element required for the synthesis of thyroxine.

True

True or False: The endocrine gland that is probably malfunctioning if a person has a high metabolic rate is the parathyroid.

False

True or False: Growth hormone always exerts its influence by targeting other endocrine glands to produce hormones.

False

True or False: Diabetes insipidus and diabetes mellitus are both caused by a genetic mutation involving the synthesis of insulin.

False

True or False: The stimulus for calcitonin release is usually excessive amounts of growth hormone synthesis.

False

True or False: Glucocorticoids are steroid hormones that usually enhance the immune responses when an individual is suffering from severe stress.

False

True or False: Direct gene activation involves a second-messenger system.

False

True or False: All peptide hormone synthesis requires gene activation that produces mRNA.

True

True or False: All adenohypophyseal hormones except GH affect their target cells via a cyclic AMP second-messenger.

True

The size and shape of a pea; produces hormones that stimulate other endocrine glands.

Hypophysis

The gland that controls the fight-or-flight reaction.

Adrenal Medulla

Produces hormones that regulate glucose levels in the body.

Pancreas

Produces a hormone that controls blood levels of calcium and potassium by their removal from bone tissue.

Parathyroid

Produces the body’s major metabolic hormones.

Thyroid

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