Physiology | Senioritis

Mohamed Abbas
August 17, 2023
Physiology

Understanding the Nernst equation and equilibrium potential in physiology

Nernst equation and equilibrium potential The Nernst equation is a mathematical formula that relates the concentration gradient of ions across a membrane to the voltage difference across...

Mohamed Abbas
August 17, 2023
Physiology

Understanding the Saturability of Ligand-Gated Channels

Are ligand gated channels saturable? Yes, ligand-gated channels are saturable. Ligand-gated channels are a type of ion channel that open or close in response to the binding...

Mohamed Abbas
August 17, 2023
Physiology

Maximizing Hemoglobin’s Function

What was the evolutionary benefit of enclosing hemoglobin in cells? Enclosing hemoglobin in cells provided several evolutionary benefits. 1. Protection: The primary advantage of enclosing hemoglobin within...

Mohamed Abbas
August 17, 2023
Physiology

Ensuring Reliable Neural Communication

Why is the ratio between action potential and threshold value called the ‘safety factor’? The safety factor is a term used to describe the ratio between the...

Mohamed Abbas
August 17, 2023
Physiology

The Role of Signal Transmission to Postsynaptic Neurons

Im struggling to see how these are presynaptic terminals/knobs and not post synaptic Presynaptic terminals, also known as synaptic knobs, are specialized structures found at the end...

Mohamed Abbas
August 17, 2023
Physiology

Hypokalemia and Certain Neurological Disorders

Is there any case in which excitability increases with lowering the RMP? Yes, there are certain cases in which excitability can increase with lowering the Resting Membrane...

Mohamed Abbas
August 17, 2023
Physiology

Understanding Sympathetic and Parasympathetic Tones for Optimal Physiological Balance

What does sympathetic and parasympathetic ‘tone’ mean? In the human body, there are two major divisions of the autonomic nervous system known as the sympathetic and parasympathetic...

Mohamed Abbas
August 17, 2023
Physiology

Electrical vs. Chemical Transmission in Neurons

Electrical transmission vs Chemical transmission In the field of neuroscience, electrical transmission and chemical transmission are the two primary methods by which signals are passed between neurons...