The number of valence electrons in an atom is reflected by its position in the periodic table.
Sodium: one
Calcium: two
Zinc: two
Xenon: eight
Answer:"I should take the pill 30 minutes before each meal." The correct option is B.
Explanation:
Irritable bowel syndrome(IBS) is a disorder which affects the gastrointestinal function especially the large intestines. It causes mainly abdominal pain and changes in bowel movement among many other symptoms.
Antispasmodic drugs are used for the management of patients with this disorder ( IBS). It is used to relief cramps and spasms by acting directly on the smooth muscle of the gastrointestinal tract and without affecting normal gut motility. An example of an antispasmodic drug is Dicyclomine hydrochloride which should be taken at least 30 minutes before meal for maximum effects to be achieved.
Red blood cells are responsible for the distribution of oxygen to other cells in the body.
