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Questions and Answers
What is the concentration of negatively charged proteins in the axoplasm inside the axon when a neuron is at rest?
What is the concentration of negatively charged proteins in the axoplasm inside the axon when a neuron is at rest?
- No concentration
- Low concentration
- Moderate concentration
- High concentration (correct)
Which ion is the axonal membrane comparatively more permeable to when a neuron is at rest?
Which ion is the axonal membrane comparatively more permeable to when a neuron is at rest?
- Calcium ions (Ca2+)
- Chloride ions (Cl-)
- Potassium ions (K+) (correct)
- Sodium ions (Na+)
What is responsible for maintaining the ionic gradients across the resting membrane?
What is responsible for maintaining the ionic gradients across the resting membrane?
- Chloride pump
- Calcium pump
- Potassium pump
- Sodium-potassium pump (correct)
What is the concentration of sodium ions (Na+) outside the axon when a neuron is at rest?
What is the concentration of sodium ions (Na+) outside the axon when a neuron is at rest?
How many sodium ions (Na+) are transported outwards by the sodium-potassium pump for every 2 potassium ions (K+) transported into the cell?
How many sodium ions (Na+) are transported outwards by the sodium-potassium pump for every 2 potassium ions (K+) transported into the cell?
Which of the following best describes dimensional analysis in engineering and science?
Which of the following best describes dimensional analysis in engineering and science?
What is the term used to describe physical quantities that have the same kind and the same dimension?
What is the term used to describe physical quantities that have the same kind and the same dimension?
Which of the following best describes incommensurable physical quantities?
Which of the following best describes incommensurable physical quantities?
What is the primary purpose of dimensional analysis in evaluating scientific formulae?
What is the primary purpose of dimensional analysis in evaluating scientific formulae?
Which of the following is NOT a base quantity commonly used in dimensional analysis?
Which of the following is NOT a base quantity commonly used in dimensional analysis?
Which of the following is NOT a base quantity commonly used in dimensional analysis?
Which of the following is NOT a base quantity commonly used in dimensional analysis?
What is the term used to describe physical quantities that have the same kind and the same dimension?
What is the term used to describe physical quantities that have the same kind and the same dimension?
Which of the following best describes incommensurable physical quantities?
Which of the following best describes incommensurable physical quantities?
What is the primary purpose of dimensional analysis in evaluating scientific formulae?
What is the primary purpose of dimensional analysis in evaluating scientific formulae?
Which of the following best describes dimensional analysis in engineering and science?
Which of the following best describes dimensional analysis in engineering and science?
