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Ashley Cifuentes
Study Stack # 2 - Anatomy
| Question | Answer |
|---|---|
| Conchae | structure in the nose that slows and stirs the air that is inspire and provides a mucus covered surface area; permits rapid warming and moistening of the dry inspired air |
| Aspiration | refers to the entry of foreign material such as food, liquids, saliva and gastric contents into the airways of the lungs. |
| Why is the right lower lobe of the lungs the most common site for aspiration? | the airways lead to it due to the more vertical orientation. |
| Pituitary Gland | located at the base of the brain below the hypothalamus and is divided into two sections: anterior pituitary and posterior pituitary Its main job is to control other endocrine glands as well as secrete many hormones such as ACTH |
| adrenocorticotropic hormone (ACTH) | a hormone secreted by pituitary glandl stimulates our adrenal glands to produce cortisol |
| What are some functions of cortisol? | plays a role in the body’s response to stress, maintaining blood pressure and reducing inflammation |
| what is the thyroid gland's main function? | to control the body’s metabolic rate, which is the process of converting food into energy. It releases the following hormones: thyroxine (T4), Triiodothyronine (T3), Reverse triiodothyronine (RT3) and calcitonin |
| What ia considered the "pacemaker" of the heart? | the sinoatrial (SA) node- generates electrical impulses that initiate each heartbeat; located in the right atrium and is considered the pacemaker because it produces the electrical signal that starts each heartbeat and sets the hearts rhythm. |
| What is the The circle of Willis (CoW) ? | is group of interconnected blood vessels that forms a circular structure located in the center of the brain; the main purpose of this circular arrangement is to maintain consistent blood flow to the brain through a process called collateral circulatio |
| what is Alzheimer’s disease? | It is the most common cause of dementia and is characterized by the buildup of abnormal proteins in the brain, including amyloid plaques and neurofibrillary tangles |
| what is the parasympathetic nervous systems main function? | The main function is to serve as controller during the “rest and repair” time, the time when our bodies are not in fight-or-flight mode. |