A&P Endocrine System

When levels go above or below a set point a hormone is released to return the body to set point. When the body is restored to set point no more hormone is released. This is an example of...

• a positive feedback loop
• a negative feedback loop
• a neutral feedback loop

The purpose of the endocrine system is to

• maintain homeostasis by reacting quickly to stimuli
• produce substances that protect the body from bacteria 
• maintain metabolism, growth and development in homeostasis 
• transport molecules throughout the body

Endocrine glands produce __________ which maintain the body in homeostasis

• oils
• neurotransmitters 
• tears
• hormones

Which of the following is an example of a positive feedback loop?

• regulation of body temperature at 37 degrees Celsius 
• regulation of blood sugar levels
• contractions during childbirth
• regulation of water levels in humans

Which of the following IS correctly paired

• Thyroid- promotes metabolism
• Parathyroid-promotes childbirth
• Pineal-promotes storage of calcium in bones
• Prolactin-promotes growth and development

Which endocrine gland produces adrenaline?

• Adrenal Medulla
• Adrenal Cortex
• Pancreas
• Thyroid

If you have a pituitary disorder, which gland will NOT be affected

• gonads
• pineal
• thyroid
• adrenal

Secretions inside the body are called:

• endocrine
• endocytosis
• exocrine
• exocytosis

The pancrease secretes _____ when blood sugar is low

• insulin
• prostaglandins
• glucagon
• liver enzymes

______ is the hormone that stimulates contractions during childbirth

• LH
• Oxytocin
• prolactin
• growth hormone