Myasthenia gravis is caused by an error in the transmission of nerve impulses to muscles. It occurs when normal communication between the nerve and muscle is interrupted at the neuromuscular junction, the place where nerve cells connect with the muscles they control.
Answer:
The correct answer is - obsessive-compulsive disorder.
Explanation:
Obsessive-compulsive disorder is compulsive or repetitive behavior in an individual because of unreasonable fear or thoughts. It is a long-lasting chronic disorder that is occurring due to excessive thought.
Lee is having excessive thought about calculation mistakes in grading students that are leading to checking papers again and again which is characterized by this behavior as obsessive-compulsive disorder.
Thus, the correct answer is - obsessive-compulsive disorder.
There are two phases of the cardiac cycle. These phases are diastole and systole. The dicrotic notch is found during systole, specifically ventricular systole.
Systole is the time when <span>left and right ventricles contract and eject blood into the aorta and pulmonary artery.
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Diastole is the time when the ventricles are not contracting or are in a relax mode.
A diet rich in high-density lipoproteins (HDLs) can help cleanse and open arteries.
There are two types of lipoproteins, low density lipoprotein and high density lipoprotein (LDL and HDL). LDL is also known as bad cholesterol and HDL are known as good cholesterol. HDL can help in cleansing arteries, so there is no blockage and it will reduce the risk of heart attack.
