Science | Senioritis

Mohamed Abbas
August 17, 2023
Physiology

Optimizing Beta-Cell Function for Glucose Regulation and Diabetes Prevention

What is the effect of exendin on beta-cells? Exendin is a peptide hormone that has been studied for its potential use in the treatment of diabetes. It...

Mohamed Abbas
August 17, 2023
Physiology

The Oxygen-Carbon Dioxide Exchange in Liver Sinusoids

Does the oxygen concentration equilibrate between red blood cells in the liver sinusoids? Yes, the oxygen concentration does equilibrate between red blood cells in the liver sinusoids....

Mohamed Abbas
August 17, 2023
Physiology

Basket Neurons and Stellate Neurons

Are cerebellar basket and stellate neurons actually different cell types? Yes, cerebellar basket and stellate neurons are two distinct cell types found in the cerebellum. The cerebellum...

Mohamed Abbas
August 17, 2023
Physiology

Understanding Electrocardiogram (ECG) Interpretation

Is a raised baseline between T and QRS normal in any ECG lead? No, a raised baseline between the T and QRS complexes is not considered normal...

Mohamed Abbas
August 17, 2023
Physiology

Measuring Heart Rate Variability in Sinus Rhythm Beats the Norm

Are ectopic beats considered sinus rhythm for pNN50 purposes? No, ectopic beats are not considered part of the sinus rhythm for the purpose of calculating pNN50. pNN50...

Mohamed Abbas
August 17, 2023
Physiology

The Benefits of Trembling During Anxiety

Is trembling an advantageous response during periods of anxiety? Yes, trembling can be considered an advantageous response during periods of anxiety. When we experience anxiety, our body’s...

Mohamed Abbas
August 17, 2023
Physiology

Causes of Runny Nose in the Cold

Why do we get runny noses in the cold? When we are exposed to cold temperatures, our body reacts to keep us warm. One of the ways...

Mohamed Abbas
August 17, 2023
Physiology

The Science Behind Acquired Alcohol Tolerance

What is the mechanism behind “acquired” alcohol tolerance? Acquired alcohol tolerance refers to an increased resistance to the effects of alcohol due to repeated exposure. The mechanism...