Physiology test 1

Who coined the term homeostasis?

• Charles Darwin
• Walter Cannon
• Sigmund Freud
• Isaac Newton

Tags

NGSS.HS-LS1-3

When brain detects temp over 37 C, sweat glands cool body then inhibited. Example of what?

• TPassive transport

• Active transport

• Negative feedback system

• Positive feedback System

Tags

NGSS.HS-LS1-3

Normal fasting blood glucose level in mg/dl?

• 100-120 mg/dl
• 60-70 mg/dl
• 120-140 mg/dl
• 70-99 mg/dl

Tags

NGSS.HS-LS1-3

Integrating center of the brain?

• Cerebellum
• Thalamus
• Medulla

• Hypothalamus

Glycoproteins Extend from cytoskeleton to bind components extracellular matrix?

• Integrins

• nucleus

• medulla

• Glycoproteins

Functions of integrins, do they maintain polarity or not to the cell?

• Affect adhesion and motility

• Relay signals between compartments

• Impart a polarity to cells

• Affect proliferation

When molecules move from hight to low energy concentrations without energy

• Passive transport

• Active transport
• Facilitated diffusion
• Osmosis

Name of the channels that are used for water to pass through via osmosis?

• Aquaporins
• Chloroplasts
• Mitochondria
• Cell membranes

Osmotic pressure of pure water?

• two

• zero

• 0.5

• one

If you put RBC in a hypertonic and hyper osmotic solution, the cell would

• The cell would swell.
• The cell would shrivel up

• The cell would remain the same size.
• The cell would burst.