BMSC 207 Q&A Bundle

which membrane potential opens a sufficient number of voltage-gated Na channels to cause a significant change in the membrane potential (making it much less negative). -60mV what triggers excytosis of synaptic vesicles contents from an axon terminal? the opening of voltage-gated Ca channels Multip...

the process by which a cell transports large molecules out of the cell is called: Exocytosis Clathrin-coated pits and caveolae are used in which transport process? endocytosis What are the major cations? intracellular what are biological compartments? range from totally enclosed structures such a...

What is the primary role of the cardiovascular system?The distribution of dissolved gases and other molecules for nutrition, growth, and repair while simultaneously removing cellular waste What are some secondary roles of the cardiovascular system?- Chemical signalling to cells by means of circulat...

What are the four functions of the cell membrane? Physical isolation (barrier), regulation of exchange with the environment, communication between the cell and its environment, structural support Metabolically active membranes contain more of what macronutrient? protein What are the three types of...

Function of all musclesto generate force and movement Skeletal muscles- voluntary (somatic neurons) - striated - Multi-nucleated - insertion is more distal - antagonistic muscle groups = flexor-extensor pairs - 40% of body weight Cardiac Muscle- Primarily involuntary - striated and uninucleated - ...

What is physiology? - the study of the normal functioning of a living organism and its component parts, including chemical and physical processes - "knowledge of nature" What are emergent properties? properties of a complex system that cannot be explained by a knowledge of a systems individual co...

what is the nervous system? coordinated voluntary and involuntary actions and transmits signals to and from different parts of its body what is afferent (sensory)? - carry information about temperature, pressure, light and other stimuli to the CNS - specialized receptor converts stimulus to electri...

define interstitial fluid, indicating whether it is inside or outside cell interstitial fluid is extra cellular fluid outside the circulatory system and the cell which two fluid compartments make up ECF blood plasma and interstitial fluid glucose moves from the plasma into a skeletal muscle cell, ...

Physiology The study of the normal functioning of a living organism and its component parts, including all its chemical and physical processes. Aristotle said it was the knowledge of nature. Hippocrates said it was the healing power of nature. Emergent Properties Properties of a complex system that...