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Before the Final
Week 7-13
| Prompt | answer |
|---|---|
| What occurs during depolarization? | Voltage gated Na+ channels open, causing Na+ to go into the cell, this makes the inside more positive. |
| What is the role potassium channel play in repolarization? | K+ is allowed to exit the cell, restoring the negative charge inside the neuron. |
| The central nervous system (CNS) consist of? | The brain and spinal cord. |
| Two main subdivisions of the PNS? | The sensory (afferent) and the mother (efferent) division. |
| Describe a reflex arc? | A neutral pathway that controls an automatic response to a stimulus without conscious brain involvement. |
| What does the parasympathetic nervous system do? | Promotes the rest and digest, by slowing the HR, stimulating digestion and conserving energy. |
| Which gland is the “master gland”? | The pituitary gland, it releases ADH and Oxytocin. |
| What does hemodynamics mean? | Blood flow through the body. |
| Protein that carries oxygen in the blood? | Hemoglobin. |
| Where does fat digestion start and what enzyme begins the process? | Fat digestion starts in the mouth and the enzyme is lingual lipase. |
| Where does oxygen enter the blood? | In the alveoli of the lungs. |