A half-value layer (HVL) is the thickness of material required to reduce which of the following by half? Kilovoltage peak (kVp) Milliampere -seconds (mAs) X-ray beam average energy X-ray beam intensity

The most positive method of reducing the amount of radiation to the patient is: a) increasing the kilovoltage b) using the paralleling technique c) using digital radiography d) using a faster film speed

How does flexibility contribute to physical fitness? It increases muscle mass It decreases body fat It prevents injuries and reduces lower back pain It improves cardiovascular fitness

55 Understanding Rare Diseases Although rare diseases are prevalent throughout the global community, they are not given enough attention by the healthcare community. Currently there are approximately seven thousand rare diseases affecting people all over the world,and they affect nearly thirty million Americans alone. Depending on where someone lives, the definition of a rare disease changes drastically. In the United States, for example, a disease is considered rare if it affects fewer than 200,000 people. In the European Union, however, a disease is only defined as rare if it affects fewer than one in two thousand people. The differences in the mere definition of what a rare disease is can lead to difficulties in diagnoses. Diagnosing a rare disease with certainty can be problematic due to the scarcity of information available as well as a lack of consensus within the healthcare community. Rather than dismissing a patient's concerns because of a lack of evidence primary care physicians should be a source of support and help alleviate their patients' worries over healthcare issues.It is imperative that general practitioners are well-versed in the area of rare diseases so that they can help affected patients find answers and support. Which of the following ideas can be inferred from the passage? Rare diseases are the most prevalent in the United States when compared to other countries. There is a higher chance that a disease could be considered rare under the United States' definition as compared to that of the European Union. If everyone in the healthcare community agreed on the definition of a rare disease, diagnosing patients would no longer pose any problems. disease Most primary care physicians do not provide adequate support to patients who have a rare Multiple Choice 1 point

An antidepressant is prescribed for a depressed older client. After 1 week the client's son expresses concern that there does not seem to be much improvement. Which response by the nurse is appropriate? "Antidepressant therapy requires several weeks before it becomes effective." "Antidepressant therapy will be more effective as the physical condition improves." "Additional medications may be required before behavioral changes will be observed." "Additional time is needed for the medication to become effective because of the prolonged depression."

Fill in the blank:A nurse gave a person a medicine. The person had a moderate drug reaction and the nurse realized that the medicine was given in error. The nurse should __ Tell the doctor, the manager, and MedWatch. Set up a care meeting with the person's family. Write the facts in the chart. Do nothing unless the reaction is life-threatening.

Actor Michael J. Fox (from the Back to the Future movies) suffers from Parkinson's disease, which caused by a deficiency in what neurotransmitter? Acetylcholine Glutamate Dopamine Seratonin Endorphins

6. Minimal amount of body fat needed for normal physiological functions is called: A. body fat B. essential fat C. human fat D. storage fat

True or False? Obtaining a certification in a specific area is required to practice as a nurse. True C ) False

4. Healthy weight implies the absence of any medical condition that would improve with weight loss and a __ that is not associated with higher risk for illness. A. fat distribution pattern B. diet/exercise program C. weight maintenance program D. lean body mass

6-Which activities can the nurse working in the outpatient clinic delegate to a licensed practical/vocational nurse (LPN/LVM) select all that apply Select one or more: a. Administer patch testing to a patient with allergic dermatitis. b. Apply a sterile dressing after the healthcare provider excises a mole. c. Explain potassium hydroxide testing to a patient with a superficial skin infection. D d. Teach a patient about site care after a punch biopsy of an upper arm lesion. e. Interview a new patient about chronic health problems and allergies.