Feedback Loops

What is the point of a feedback loop?

• To provide the body with more energy

• To provide the body with more food

• To make sure the conditions in the body are always changing

• To make sure the conditions in the body remain stable

Tags

NGSS.HS-LS1-3

According to the feedback loop, what does high blood sugar promote?

• Insulin Release

• Glucagon Release

• Insulin Uptake

• Glycogen Uptake

Tags

NGSS.HS-LS1-3

The name for a chemical made by glands that tell cells to make something or respond in some way.

• acid

• enzyme

• perspiration

• hormone

The hormone that lowers blood sugar is

• glucose

• glycogen

• glucagon

• insulin

Tags

NGSS.HS-LS1-3

What causes blood glucose levels to rise?

• eating

• vigorous exercise

• sleeping

• going to the toilet

Tags

NGSS.HS-LS1-7

A student walks into a cold room.

Which of the following happens to his body?

• Sweating and vasodilation of blood vessels at the skin surface

• Shivering and vasoconstriction of blood vessels at the skin surface

• Sweating and vasoconstriction of blood vessels at the skin surface

• Shivering and vasodilation of blood vessels at the skin surface

What is the effect on the production of urine if antidiuretic hormone is secreted?

• Less volume but concentrated

• Less volume but dilute

• More volume but concentrated

• More volume but dilute

If the environment gets cold, we will often shiver in order to:

• keep body temperature the same as the external temperature
• decrease body temperature
• increase body temperature
• regulate blood pressure

Tags

NGSS.HS-LS1-3

Blood sugars are controlled by

• brain generated chemicals

• blood

• hormones from the pancreas

• chemicals from the liver

What is not a response by the human body when the temperature of the body increases?

• Sweat glands secrete more sweat

• Arrector pili muscles constrict (goosebumps)

• Blood vessels dilate near the skin

• Saliva production slows