Block 1 - Nervous System/Fluid & Electrolyte Refresher Flashcards
What are the two parts of the nervous system?
Central Nervous System / Peripheral Nervous System
The brain and spinal cord are a part of what nervous system?
The Central Nervous System
The cranial and spinal nerves are a part of what nervous system?
The Peripheral Nervous System
What are the two parts of the Peripheral Nervous System?
Motor and Sensory
Within the Peripheral Nervous System, the motor nerves are broken up into what two types?
Somatic (voluntary) and Autonomic (involuntary)
What two types of autonomic nerves (involuntary) are there?
Sympathetic and Parasympathetic
Pupil dilation and increased heart rate are characteristics of what type of nerve?
sympathetic
What two nerves are a part of the sensory portion of the peripheral nervous system?
somatic (skin) and special senses
What are the two “afferent” portions of the peripheral nervous system?
sensory and visceral
What are the two “efferent” portions of the peripheral nervous system?
voluntary and involuntary
The Adrenergic System is a part of which Autonomic Nervous System sub-system?
Sympathetic
The Cholinergic System is a part of which Autonomic Nervous System sub-system?
Parasympathetic
Fluids are 60% of the total body mass in males and 55% in females; what portion of that fluid is intracellular-what portion is extracellular?
2/3 intracellular; 1/3 extracellular
What percentage(s) of the extracellular fluid are made up of: interstitial fluid plasma
interstitial: 80%; plasma (intravascular fluid): 20%
Ions help maintain the ____-_____ balance required for normal cellular activities.
acid-base
