Endocrine System

The gland labeled 4 in the diagram is?

• the thymus gland
• the thyroid gland
• the parathyroid glands
• the adrenal glands

The first 4 structures in the diagram (in order) are?

• the pituitary gland, the pineal gland, the thyroid, and the thymus
• the hypothalamus, the pituitary gland, the pineal gland, and the thyroid gland
• the pineal gland, the parathyroid glands, the hypothalamus, and the pancreas
• the pineal gland, the pituitary gland, the hypothalamus, and the thyroid gland

Tags

NGSS.HS-LS1-2

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

Tags

NGSS.HS-LS1-3

Endocrine glands produce __________ which maintain the body in homeostasis

• oils
• neurotransmitters 
• tears
• hormones

Tags

NGSS.HS-LS1-3

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

Tags

NGSS.HS-LS1-3

The anterior pituitary produces the following hormone(s)

• oxytocin for uterine contraction and ADH (anti-diuretic hormone) for re-absorption of water by kidneys
• melatonin which controls wake/sleep cycles and calcitonin which stores calcium in bones
• prolactin which promotes milk production and growth hormone which promotes growth and development of bone and muscle
• parathyroid hormone which targets bone destroying cells (osteoclasts) to release stored calcium 

targets bone and muscle to promote growth and development

• growth hormone
• prolactin
• oxytocin
• ADH (antidiuretic hormone)

targets mammary glands which promotes the production of milk in mammals

• growth hormone
• prolactin
• progesterone
• parathyroid hormone

causes contractions of the uterus during childbirth

• growth hormone
• oxycotin
• oxytocin
• oxyclean

targets the brain and make people sleepy when its dark

• melanin
• melanoma
• melatonin
• melons