Answer:
D.
Explanation:
Nil per os (NPO) means nothing by mouth. It is important to
know if the patient has eaten or drunk anythin prior to surgery to
prevent vomiting and possible aspiration
Answer:
The correct option is : a. causing threshold to be reached more quickly
Explanation:
Norepinephrine, also known as noradrenalin, is an organic compound, which belongs to the catecholamine family. It acts as a hormone and a neurotransmitter in the brain and the body and also impacts the heart.
It is one of the hormones secreted by the adrenal medulla. Norepinephrine is a part of the fight-or-flight mechanism of the body. It acts by binding to the β-1 receptors and opens the chemical or ligand gated calcium and sodium ion channels. Therefore, <u>it causes the threshold to be reached faster </u>by increasing the rate of depolarization and thus causes heart arrhythmia.
Therefore, <u>Norepinephrine acts on the heart by </u><u>causing threshold to be reached faster.</u>
The nurse should provide following information to the patient to prevent constipation: addition of whole-grain cereal, cessation of laxative use, increase in liquid intake, eating fresh vegetables.
Constipation is a problem of the digestive system. The symptoms include less bowel movement, hard stools than can be painful, and the feeling that stool has not completely passed. The causes for the same can be less fiber diet, low intake of fluids, immobility of the body, no exercise, etc.
Laxative is the medicine for treating constipation. The intake of laxatives should be accompanied with intake of plentiful fluids as well.
To know more about constipation, here
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Answer:
The answer is A tricuspid valve
Explanation:
The tricuspid valve is called that because it has three pillars that are located in the right heart between the atrium and the ventricular idem.
It is responsible for giving way to systematic blood for subsequent oxygenation at the level of the lungs.
The questions has missed the multiple options. The options are as follows:
(a) organ, organ system, cellular, chemical, tissue, organismal; (b) chemical, cellular, tissue, organismal, organ, organ system; (c) chemical, cellular, tissue, organ, organ system, organismal; (d) organismal, organ system, organ, tissue, cellular, chemical.
Answer:
Option (c).
Explanation:
The evolution of the complex organisms take several billion years. The evolution of the organisms starts from the basic level and then move to the complex forms.
The hierarchy determines the level of the organization. Cell is the basic level of organization. The cells are formed by the union of chemicals. The cell combine together to form tissue. Tissue combines together to form the organ then the organ system and finally the whole organisms.
Thus, the correct answer is option (c).