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Question 1 0.1 pts (Ch 8.4; Cell-to-cell Communication in the Nervous System) Which of the following...
Question 16 1.5 pts If a neuron is treated with a substance that inhibits the sodium-potassium...
Question 16 1.5 pts If a neuron is treated with a substance that inhibits the sodium-potassium pump, what would be the most immediate effect on the cell? the cell's membrane potential would immediately depolarize to 0 (zero) millivolts the cell's resting potential would slowly depolarize the cell would quickly run out of ATP the cell's osmotic balance would be disrupted and the cell would begin to swell no change at all
Question 17 3 pts Neurons cells are found in the nervous system and provide direct protection...
Question 17 3 pts Neurons cells are found in the nervous system and provide direct protection and physical support to the neurons. One protein made by these cells is myelin that is essential in neurological function as seen in epilepsy where the degeneration of the protein is observed and patients experience neurological symptoms. J Oection 10 Ante Question 15 2 pts Which one of the following establishes and maintains the resting potential of cells across the cell membrane? Na+ leak...
Question 4 2 pts During and action potential, sodium (Na+) rushes into the cell causing of...
Question 4 2 pts During and action potential, sodium (Na+) rushes into the cell causing of the cell. Then sodium channels close and potassium (K+) rushes out of the cell, causing of the cell. However, the potassium overshoots and causes Question 5 2 pts During the refractory period, the pumps Na+ ions out of the cell and K+ions into the cell, re-establishing the resting membrane potential and concentration gradient. Serotonin Acetylcholine Glutamate Endorphins Barbiturates GABA Dopamine Cocaine Sodium Potassium Calcium...
2. Curare blocks acetylcholine receptors at the motor end plate. This would result in: (1) Inability...
2. Curare blocks acetylcholine receptors at the motor end plate. This would result in: (1) Inability of the muscle fiber to respond to nervous stimulation (2) Increased muscle stimulation (3) Increased actylcholinesterase production (4) Lack of calcium uptake by the muscle fiber 3. The structure that is analogous to the Zline of skeletal muscle is the __ of smooth muscle. The structure that is analogous to troponin of skeletal muscle is _ muscle is ___ of smooth muscle. 4. Draw...
KEY TERMS March the numbered form with the definition that is it be definition the responding...
KEY TERMS March the numbered form with the definition that is it be definition the responding sumber in front of the appropriate 40. excitatory postsynaptic potential 21. resting potential 22 on leakage channels 23. equilibrium potential -24 graded potential 25. gated ion channels 26. depolarization 27. hyperpolarization Sensory neurons 2. central nervous system 3. motor neurons 4. intercurons 5. peripheral nervous system 6. somatic motor neurons *7. autonomic motor neurons 8. sympathetic 9. parasympathetic 10. cell body all dendrites 12....
Which of the following statements are accurate? Select all that apply Interneurons are responsible for analysis...
Which of the following statements are accurate? Select all that apply Interneurons are responsible for analysis of stimuli and forming a circuit to respond to the stimuli. Interneurons can interact (e.g. stimulate) with muscle cells or glands. The peripheral nervous system is able to carry information to and from the central nervous system. Nerves typically collect sensory information such as light, touch, or blood pressure. Interneurons are a type of sensory neuron. Which of the following statements are accurate? select...
7.Which of the following can prompt an electrically gated ion channel in the cell membrane to...
7.Which of the following can prompt an electrically gated ion channel in the cell membrane to open? a)one additional ion entering the cell b)one ion leaving the cell c)activity of the sodium-potassium pump d)a change in the electrical potential of the membrane 10. If you have ever awoken from sleep to scribble down a brilliant idea, you can probably relate to Loewi, whose own sleep was interrupted with notes with an insight about ______. a) action potential speed b) chemical...
change pas channels in the volta t ive protein to change shape. This A of the...
change pas channels in the volta t ive protein to change shape. This A of the S l e terminal siste oplasmic reticum calcio p r eneule warcoplasm reticulum sodium ions m o nster transverse tubules sarcolemma: calcium ions Saroplasmic reticum: triadsarcolemma: calcium ions sons bind to This causes a change in shape and exposing C D E Calcium vesicle tylcholine action potential Sodium sarcolemma calcium on myosin heads Sodium sacoplasmic reticulum calcium ions actin 15. An attaches to exposed...
Consider the following for problems 1 through 5: The concept of electric potential difference plays an...
Consider the following for problems 1 through 5: The concept of electric potential difference plays an important role in the human nervous system. A nervous impulse, for example, is an action potential that results from the temporal rising and lowering of the cell membrane potential, which in turn is caused by the equally temporal influx of sodium (Na+) ions into the cell. The sodium ions enter the cell through Hodgkin-Huxley channels, named after English physiologist/biophysicists Alan Hodgkin and Andrew Huxley....
Incorrect Question 3 0/2 pts Cell membranes act as selective barriers. Which of the following is...
Incorrect Question 3 0/2 pts Cell membranes act as selective barriers. Which of the following is best at crossing a pure lipid bilayer? amino acid such as tyrosine a sodium ion a gas such as oxygen an antibody a glucose molecule Incorrect 0/2 pts Question 5 A peripheral membrane protein is: is found outside the organism designates a protein that is in the plasma membrane versus mitochondrial membrane is only found in the blood may be associated with the membrane...
Question 16 1.5 pts If a neuron is treated with a substance that inhibits the sodium-potassium pump, what would be the most immediate effect on the cell? the cell's membrane potential would immediately depolarize to 0 (zero) millivolts the cell's resting potential would slowly depolarize the cell would quickly run out of ATP the cell's osmotic balance would be disrupted and the cell would begin to swell no change at all
Question 17 3 pts Neurons cells are found in the nervous system and provide direct protection and physical support to the neurons. One protein made by these cells is myelin that is essential in neurological function as seen in epilepsy where the degeneration of the protein is observed and patients experience neurological symptoms. J Oection 10 Ante Question 15 2 pts Which one of the following establishes and maintains the resting potential of cells across the cell membrane? Na+ leak...
Question 4 2 pts During and action potential, sodium (Na+) rushes into the cell causing of the cell. Then sodium channels close and potassium (K+) rushes out of the cell, causing of the cell. However, the potassium overshoots and causes Question 5 2 pts During the refractory period, the pumps Na+ ions out of the cell and K+ions into the cell, re-establishing the resting membrane potential and concentration gradient. Serotonin Acetylcholine Glutamate Endorphins Barbiturates GABA Dopamine Cocaine Sodium Potassium Calcium...
2. Curare blocks acetylcholine receptors at the motor end plate. This would result in: (1) Inability of the muscle fiber to respond to nervous stimulation (2) Increased muscle stimulation (3) Increased actylcholinesterase production (4) Lack of calcium uptake by the muscle fiber 3. The structure that is analogous to the Zline of skeletal muscle is the __ of smooth muscle. The structure that is analogous to troponin of skeletal muscle is _ muscle is ___ of smooth muscle. 4. Draw...
KEY TERMS March the numbered form with the definition that is it be definition the responding sumber in front of the appropriate 40. excitatory postsynaptic potential 21. resting potential 22 on leakage channels 23. equilibrium potential -24 graded potential 25. gated ion channels 26. depolarization 27. hyperpolarization Sensory neurons 2. central nervous system 3. motor neurons 4. intercurons 5. peripheral nervous system 6. somatic motor neurons *7. autonomic motor neurons 8. sympathetic 9. parasympathetic 10. cell body all dendrites 12....
change pas channels in the volta t ive protein to change shape. This A of the S l e terminal siste oplasmic reticum calcio p r eneule warcoplasm reticulum sodium ions m o nster transverse tubules sarcolemma: calcium ions Saroplasmic reticum: triadsarcolemma: calcium ions sons bind to This causes a change in shape and exposing C D E Calcium vesicle tylcholine action potential Sodium sarcolemma calcium on myosin heads Sodium sacoplasmic reticulum calcium ions actin 15. An attaches to exposed...
Incorrect Question 3 0/2 pts Cell membranes act as selective barriers. Which of the following is best at crossing a pure lipid bilayer? amino acid such as tyrosine a sodium ion a gas such as oxygen an antibody a glucose molecule Incorrect 0/2 pts Question 5 A peripheral membrane protein is: is found outside the organism designates a protein that is in the plasma membrane versus mitochondrial membrane is only found in the blood may be associated with the membrane...
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