The sperm of a fruit fly can be as long as the body of the male fly, about 1.1 mm. On the other hand, of the vast number of mammals humans have one of the smallest sperm cells, measuring only 40 microns long. Rats produce one of the largest sperm at 170 microns long.
The following medications may cause potassium levels to rise: 1  Nonsteroidal anti-inflammatory drugs (NSAIDs): People who have poor kidney function and take NSAIDs are at higher risk. 2  ACE inhibitors: These drugs treat high blood pressure, heart disease, diabetes, some chronic kidney diseases, migraines, and scleroderma.
1 If you are diabetic, an insulin deficiency may cause hyperkalemia. 2  If you are bleeding internally, you may have hyperkalemia.  Some medications that contain potassium, or medications that preserve the amount of potassium that is excreted through your kidneys, can cause hyperkalemia. These may include Angiotensin Converting Enzyme (ACE) inhibitors, such as Lisinopril, or potassium-sparing diuretics, such as Spironolactone (e.g., Aldactone).