test page 4

Question 1

Regulates salt concentration in blood and urine

Answer 1

Aldosterone

Question 2

Antidiurectic hormone conserves water, and produces more concentrated urine

Answer 2

ADH

Question 3

Produces adrenaline or epinephrine. Increases blood sugar level, faster breathing, less sugar to the stomach and intestines. sets you up for the fight or flight reflex, or gives you the energy to do something.

Answer 3

Adrenal Medulla

Question 4

Produces cortisol or hydrocortisone. Speeds up metabolism of sugars, fats, and proteins, reduces inflammation of red, swollen tissue

Answer 4

Adrenal cortex

Question 5

In the mid brain, it controls reproductive cycles, moods, and onset of puberty. Indirectly connected to the optic nerve, so it can sense light and dark. Produces melatonin in the dark, which causes you to fall asleep. Causes SAD or seasonal affected disorder. Tired and sluggish in the dark winter months.

Answer 5

Pineal Gland

Question 6

Received stimulus in a nerve

Answer 6

Dendrite

Question 7

Carries a nerve stimulus over a long distance in a nerve

Answer 7

Axon

Question 8

a cell that wraps around the axon. It physically supports it, and diffuses nutrients in to it.

Answer 8

Schwann cell

Question 9

French of buttons. Bulbs at the end of the axon that release neurotransmitter from one neuron to the next. Neurons are not directly connected. They interact by neurotransmitter, such as acetylcholine, diffusing across the space between the neurons, and starting another nerve impulse in the next neuron.

Answer 9

Boutons

Question 10

The thin filament in a muscle fiber. It looks like a string of pearls. Myosin heads bind to active sites on it to cause muscle contraction.

Answer 10

Actin

Question 11

The thick filaments in a muscle fiber. It looks like a bunch of golf club heads.

Answer 11

Myosin

Question 12

A rope like protein that covers the active sites on actin. When tropomyosin is in place, the muscle does not contract.

Answer 12

Tropoyosin