Question and answer
Which one of the following events occurs first in a nerve impulse? A. Sodium ions move to the outside of a neuron. B. Potassium ions move to the inside of a neuron. C. Potassium ions move to the
outside of a neuron. D. Sodium ions move to the inside of a neuron.
C.Sodium ions move to the inside of a neuron- occurs first in a nerve impulse.
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Original conversation
User: Which one of the following events occurs first in a nerve impulse? A. Sodium ions move to the outside of a neuron. B. Potassium ions move to the inside of a neuron. C. Potassium ions move to the outside of a neuron. D. Sodium ions move to the inside of a neuron.

Weegy: C.Sodium ions move to the inside of a neuron- occurs first in a nerve impulse.
yumdrea|Points 3105|

User: Too much calcium in a person's diet may result in A. heart attack. B. dehydration. C. kidney stones. D. high blood pressure.

Weegy: One of the major symptoms of too much calcium in one's system is extreme lethargy, to the point that a person is not even interested in basic functions, such as food intake. [ Additionally, a person may experience intense or consistent bouts of nausea, vomiting and diarrhea, which in turn can result in a high level of dehydration and thirst. More serious symptoms of too much calcium can include an irregular heartbeat and extremely low blood pressure. Those who allow the condition to worsen through time can lose consciousness or feel confused much or nearly all of the time. Depression is another major symptom of having too much calcium in one's system, as is abdominal pain. Kidney pain is also a sign, and this signals not only high levels of calcium but the possibility of kidney stones or even kidney disease. ]
betchay|Points 120|

User: During transpiration, water exits the leaf via the A. tracheids. B. root. C. stomata. D. mycorrhizal.

Weegy: During transpiration, water exits the leaf via the STOMATA.
andrewpallarca|Points 27739|

User: In the process of embryonic development, the _______ develops first. A. blastocyst B. gastrula C. blastocoel D. morula

Weegy: In the process of embryonic development, the _______ develops first. C. Morula - It goes - Morula, Blastocoel, Blastocyst, Gastrula
rjd321|Points 79|

User: In plants, what type of tissue is responsible for transporting water and nutrients? A. Vascular B. Epidermal C. Ground D. Meristem

Weegy: In plants, what type of tissue is responsible for transporting water and nutrients? C. Vascular.
alfred123|Points 4760|

User: In the context of vision, the blind spot is A. a nontransparent area on the lens. B. an area of the retina where rods and cones are concentrated. C. an area of the retina where there are no rods or cones. D. a nontransparent areas on the cornea.

Weegy: In the context of vision, the blind spot is: B. an area of the retina where there are no rods or cones.
alfred123|Points 4760|

User: How many cotyledons would be found in a flowering plant with nine petals on each flower and long leaves with parallel leaf veins? A. Zero B. One C. Three D. Two

Weegy: A flowering plant with nine petals on each flower and long leaves with parallel leaf veins contains (D) One.
weegy2x|Points 1024|

User: The purpose of nervous tissue is A. support. B. protection. C. movement. D. communication.

User: The purpose of nervous tissue is A. support. B. protection. C. movement. D. communication.

User: Which one of the following nutrients is not a source of energy for the body? A. Lipids B. Vitamins C. Proteins D. Carbohydrates





Weegy: A. Lipids B., C. Proteins and D. [ Carbohydrates. all proteins, carbohydrates, lipids (fats we burn fats in order to use energy so fats are energy e.g if you eat a chocolate bar before exercise you may gain the effect of an energy boost) are energy sources ^.^ however vitamins would provide just nutrients not ATP themselves, the chemical reaction involved however do just not the vitamins as a nutrient itself (at first i read the question wrong and thought lipids as in Phospholipid but lipids are fats) ]
Expert answered|chantalsantos|Points 137|

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Asked 329 days ago|11/25/2013 9:41:41 AM
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The change in pitch of a train's horn as it passes while you are standing still can be explained by A. sympathetic vibration. B. ultrasonic vibrations. C. resonance. D. the Doppler effect.
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