1A Endocrine System

The chemical messengers secreted by the endocrine glands into the bloodstream to travel into their target organs to produce a coordinated response.

• stimulus

• hormones

• electrolytes

• nutrients

The internal balance of the body and is one of the major functions of the endocrine system.

• endocrinology

• homeostasis

• metabolism

• control

The gland that secretes hormone melatonin, believed to be the sleep trigger that plays an important role in establishing the body’s sleep-wake cycle.

• Pancreas

• Pituitary Gland

• Pineal Gland

• Parathyroid gland

It is called the master gland because it secretes hormones that stimulate the release of other hormones from target glands.

• Anterior Pituitary Gland

• Thyroid Gland

• Pancreas

• Parathyroid Gland

A type of mechanism during labor wherein the body continues to release oxytocin to produce more contractions only until the baby is born.

• Positive Feedback Mecahnism

• Negative Feedback Mechanism

Which of the following hormones is NOT secreted by the Anterior Pituitary Gland?

• Growth Hormone

• Antidiuretic Hormone

• Lactogenic Hormone

• Thyroid-stimulating Hormone

Which of the following hormones produced by the thyroid gland lowers the calcium and phosphate ion concentration of the blood?

• T3

• T4

• Calcitonin

• Parathormone

Which of the following glands is located at the top of each kidney, hence the other name is suprarenal glands?

• Adrenal glands

• Pancreas

• Gonads

• Thymus gland

This gland is involved in the development of the immune system, is large in infants and children and decreases in size throughout adulthood.

• Thymus gland

• Adrenal Glands

• Thyroid Gland

• Pancreas

Diabetes mellitus is a disorder wherein there is a deficiency of what hormone?

• Glucagon

• Insulin

• Oxytocin

• Calcitonin