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Alex Figueroa
Physiology weeks 7-13
Question | Answer |
---|---|
During a relative refractory period: | the action potential can be initiated with a strong stimulus. |
Compared with the outside of the neuron, the inside has a(n) ____ charge. | negative |
How does action potential work? | Its an all or non bases. This mean the action petential work either send the signal or ot doesnt. |
Ligand gated ion channels a | |
the autonomic nerbous sytem consiste of efferent neurons that control what type of muscle? | smooth muscle, cardiac muscle, and gland cells (on autopilot) |
Dopamine, epinephrine, and norepinephrine are classified as: | catecholamines. |
The pineal gland releases what hormones? | Melatonin |
The blood carries more than 2/3 carbon dioxide in what way? | bicarbonate ions. |
The exact amount of oxygen in blood depends mainly on the amount of | hemoglobin. |
Which enzymes are needed for digestion in the lumen of the gi tract? | digestive enzymes and bile |
What enzyme does saliva contain?? | Amylase which help digest carbohydrates |