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Final Exam

QuestionAnswer
What is the resting membrane potential of a neuron? ~70mV
What is saltatory conduction? It's when an action potential jumps between nodes of Ranvier on myelinated neurons, speeding up transmission.
What are the functions of the medulla, pons, cerebellum, and hypothalamus? Medulla: breathing & heart rate Pons: breathing & relay center Cerebellum: coordination & balance Hypothalamus: homeostasis, hormones, hunger, and temp
What is cerebrospinal fluid (CSF) and where is it formed? CSF cushions the brain/spinal cord; formed in the choroid plexuses of the ventricles.
What does the thymus do, and how does it differ from the thyroid? Thymus- matures T cells Thyroid- Regulates metabolism with thyroid hormones
What is proprioception? Proprioception is the sense of body position and movement.
What is the difference between systolic and diastolic blood pressure? Systolic- pressure during heart contraction Diastolic- pressure during heart relaxation
What is phagocytosis It's the engulfing of pathogens or debris by macrophages and neutrophils
What is the purpose of peristalsis in digestion? Wave-like muscular contraction that moves food through the GI tract
What are the main digestive enzymes and their functions? Amylase: breaks down carbohydrates Protease: breaks down proteins Lipase: breaks down fats Lactase: breaks down lactose
Created by: rkarfs
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