BIOS 252 COMPREHENSION EXAM 2024 4 Versions Already Rated A+ From Expert With Complete Solutions

BIOS 252 COMPREHENSION EXAM 2024 4 Versions Already Rated A+ From Expert With Complete Solutions VERSION 1 2 types of summation - *temporal (wave) summation: one presynaptic neuron to one postsynaptic membrane *spacial summation: multiple presynaptic neurons to one postsynaptic membrane describe ligand gated channels - responds to chemical stimuli that bond to receptors describe voltage gated channels - respond to a direct change in membrane potential describe mechanically gated channels - responds to mechanical change describe hyperpolarization - membrane potential makes inside of cell more negative than resting potential 6 glial cells found in NS - *satellite *schwann *oligodendrocytes *microglial *astrocytes *ependymal function of the satellite cells - provides support for the nerves in the PNS function of the schwann cells - produce myelin in PNS function of oligodendrocytes - produce myelin in CNS function of the microglial cells - work as macrophages in CNS function of the astrocytes - *creates blood brain barrier *most abundant cell in the CNS function of the ependymal cells - produce cerebral spinal fluid describe the reticular activating system - bundle of nerves at brain stem that filters out unnecessary info so the imp. info gets through identify the lesser tubercle of the humerus - identify the lateral epicondyle of the humerus – what are the 9 abdominopelvic regions? - *left hypochondriac *epigastric *right hypochondriac *left lumbar *umbilical *right lumbar *left inguinal (iliac) *hypogastric *right inguinal (iliac) what are the 11 organ systems - *nervous *respiratory *endocrine *digestive *muscular *reproductive *circulatory *integumentary *skeletal *lymphatic *urinary function of nervous system - transmits signals from the brain to the rest of the body function of respiratory system - brings oxygen into the body while removing carbon dioxide function of endocrine system - regulates body activities by releasing harmones function of digestive system - break down and absorbs nutrients from food and liquid and removes waste function of muscular system - movement and heat production