Endocrine vs. Exocrine Systems Quiz

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Which gland secretes calcitonin to decrease the amount of calcium in the bloodstream?

Parathyroid glands (correct)

Thymus

Pancreas

Adrenal glands

What is the role of the adrenal medulla in response to stress, fear, and pain?

Release of insulin

Synthesis of calcitriol

Promotion of bone resorption

Secretion of catecholamines (correct)

Which hormone is released by the adrenal cortex to regulate electrolyte balance?

Aldosterone (correct)

Epinephrine

Cortisol

Norepinephrine

What is the primary function of glucocorticoids secreted by the adrenal glands?

Regulate glucose metabolism Signup and view all the answers

Which cells in the pancreas secrete insulin during and after meals?

Beta cells Signup and view all the answers

What is the main function of Leydig cells in males?

Produce testosterone Signup and view all the answers

Which organ converts calcidiol to calcitriol to increase calcium absorption in the small intestine?

Kidney Signup and view all the answers

In response to increased blood pressure, which hormone opposes the action of angiotensin and reduces blood volume?

Natriuretic peptides Signup and view all the answers

What is the main difference between exocrine and endocrine glands?

Exocrine glands release their secretions through ducts. Signup and view all the answers

Which type of glands secrete directly into the bloodstream?

Endocrine glands Signup and view all the answers

How do hormones and neurotransmitters differ in terms of speed of reaction?

Neurotransmitters react faster than hormones. Signup and view all the answers

Which system sends impulses to specific target areas like nerves on ears?

Nervous system Signup and view all the answers

How do glucagon and norepinephrine affect the liver?

Trigger the release of hormones from the liver Signup and view all the answers

Which gland serves as the control center for regulating primitive functions like water balance and hunger?

Hypothalamus Signup and view all the answers

In what situation might a release of hormone be triggered due to blood composition?

When blood calcium levels are too high or low Signup and view all the answers

Which type of stimuli involves a neural signal telling a target to release a hormone?

[Neural stimuli] Signup and view all the answers

What is the main difference in reactivity between endocrine and nervous systems?

Nervous system reacts faster for short durations, while endocrine system reacts slower for extended periods. Signup and view all the answers

How do dopamine and norepinephrine act as chemicals in the body?

As signaling molecules that can act as neurotransmitters or hormones. Signup and view all the answers

What is the primary function of the Pineal gland?

Produces melatonin Signup and view all the answers

Which hormone is responsible for inhibiting growth hormone release?

Somatostatin Signup and view all the answers

What is the seat of the soul and often referred to as the third eye?

Pineal gland Signup and view all the answers

Which hormone stimulates the production of milk?

Prolactin Signup and view all the answers

What is the primary function of antidiuretic hormone (ADH)?

Retain water in the body Signup and view all the answers

Which hormone is primarily involved in emotional bonding between partners?

Oxytocin Signup and view all the answers

Which hormone stimulates the thyroid to release thyroid hormones (TH)?

TRH Signup and view all the answers

Which hormone has wide-spread effects across multiple areas of the body and stimulates tissue growth?

Growth Hormone Signup and view all the answers