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Brittany Koppenhaver
Physiology Midterm Week 1-6 Study Stack
Question | Answer |
---|---|
The body's thermostat is located in the: | Hypothalamus |
Negative feedback mechanisms: | -minimize changes in blood glucose levels -maintain homeostasis -are responsible for an increased rate of sweating when air temperature is higher than body temperature |
The formation of sucrose involves the removal of a molecule of water. This is called: | Dehydration synthesis |
A _____is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons. | Free radical |
Diffusion of particles through a membrane by means of a carrier molecule is called: | Facilitated Diffusion |
A membrane carrier structure attracts a solute to a binding site, changes shape, and releases the solute on the other side of the cell membrane. The describes the process of: | Carrier-Mediated Transport |
A tissue is: | A group of similar cells that perform a common function |
Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | Astrocytes |
An age-related skeletal disease that is characterized by loss of bone mineral density and increased bone fragility is: | Osteoporosis |
Muscle contractions will continue as long as: | The calcium ions are attached to the troponin |
The purpose of creatine phosphate in muscle contraction is to: | Replenish energy supply |