Endocrine system Histo cycle 2

What is TRUE about Thyroid gland?

Thyroglobulin is a protein made by the follicular cells of the thyroid gland

Releasing of trijodotyronin (T3) and thyroxin (T4) is under control of TSH

Is located in the stomach

Is located in the neck

Find true sentences

Type B (beta) cells of Langerhans islets produce insulin

Parafollicular or C cell produce calcitonin

Steroid producing cells can be found in cortex

Plasma cells produce insulin

Which of the following endocrine glands develop from neuroectoderm?

Adrenal medulla

Adrenal cortex

Posterior pituitary

Thymus gland

The pineal gland develops from

Third ventricle

Second ventricle

First ventricle

Fourth ventricle

Glucagon is produced by

Alpha cells

Beta cells

Gamma cells

Adipocytes

Insulin is produced by

Alpha cells

Beta cells

Gamma cells

Adipocytes

Select the TRUE statement

Oxytocin is released in Pars nervosa

Vasopressin is released in Pars nervosa

Vasopressin is released in anterior pituitary

Oxytocin is released in anterior pituitary

What is TRUE about Parathyroid gland?

Chief cells are present

Chief cells are absent

Acidophilic cells are present

Acidophilic cells are absent

What is TRUE about Parathyroid hormone?

Increases concentration of calcium in blood

Decreases concentration of calcium in blood

Its receptors are located in osteoblasts

Its receptors are located in chondroblasts

Choose correct pairs

Dehydroepiandrosterone - zona reticularis

Cortisol – zona fasciculate

Thyrotropin – thyroid

Chief cells - herring bodies

What is TRUE about Herring bodies?

Contains oxytocin

Contains pituicytes

ContainsADH

Contains thyrotropin

What is TRUE about Oxytocin?

Acts on the myoepithelial cell of the mammary gland

Is produced in the neurohypophysis

Is produced in the thyroid

Is produced in the pituitary

What is TRUE about Calcitonin?

Is produced by c cells in the thyroid

Is produced by b cells in the thyroid

Decreased concentration of calcium in blood

Increased concentration of calcium in blood

What is TRUE about Androgens?

Is produced in zona reticularis

Is produced in zona fasciculate

Its production depends on ACTH

Its production depends on ADH

What is TRUE about TSH?

Stimulates synthesis and secretion of thyroid hormones

Does not stimulate synthesis and secretion of thyroid hormones

Is regulated by TRH

Is regulated by ACTH

What is TRUE about Kortisol?

Is produced in zona fasciculate

Is produced in zona reticular

Its production depends on ACTH

Its production depends on TRH

Endocrine system – find true sentence/s

Thyroid accumulate/s hormones outside of the cell

Chief cells of parathyroid glands produce parathyroid hormone (PTH)

Neurohypophysis contains axons of hypothalamic neurons and glial cells

Parafollicular or C cells produce and release calcitonin

Find the truth about thyroid

C cells produce calcitonin

Colloid is storage of thyroglobulin

Has got follicular structure

Thyroid accumulate/s hormones strictly on the inside of the cell

Find the truth about thyroid (2)

Releases T4

Releases T3

Releases T2

Releases T1

What is TRUE about Calcitonin?

T works antagonistically to PTH

Reduces the excretion of calcium through the kidneys

Increases the excretion of calcium through the kidneys

Reduces the storage of calcium in the bones

What is TRUE about Adrenal glands?

Medulla releases and accumulates catecholamines

Zona fasciculata of the cortex is ACTH depended

Zona reticularis of the cortex is ACTH depended

Cortex releases and accumulates catecholamines

What is TRUE about Hypophysis?

In neurohypophysis are unmyelinated axons

In neurohypophysis are myelinated axons

In pars intermedia POMC is also produced

In pars intermedia POMC is not produced

What is TRUE about Hypophysis? (2)

Pituicytes are cells of neurohypophysis

TSH is stored in the pars intermedia

TSH is stored in the pars nervosa

TSH is not stored in the pars nervosa

Endocrine system find true sentence/s

Neurohypophysis contains axons of hypothalamic neurons and glial cells

Neurohypophysis largely contains myelinated axons

Parafollicular or C cells produce and release calcitonin

Parafollicular or C cells only produce calcitonin, they do not release it

What is TRUE about Pineal gland?

Is covered by pia mater

Produces melatonin

Produces vasotocin

Unmyelinated axons are found there

Choose correct pair/s (gland or part of the gland and secreted hormone)

Calcitonin – C cells of thyroid

Glucagon – A (alpha) cells in the islets of Langerhans

Glucagon – C cells of thyroid

Calcitonin – A (alpha) cells in the islets of Langerhans

Choose correct pair/s (gland or part of the gland and secreted hormone) (2)

Glucocorticosteroid- Zona fasciculata of adrenal cortex

Thyroxine - Thyroid (T4)

Triiodothyronine - Thyroid (T3)

Glucagon – C cells of thyroid

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Endocrine system Histo cycle 2

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