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Intermolecular forces Correct Answer IM forces exist among all the particles that compose matter. The state of a sample of matter- solid, liquid, or gas- depends on the magnitude of intermolecular forces among the constituent particles relative to the amount of thermal energy in the sample. Thermal energy Correct Answer When thermal energy is high relative to intermolecular forces, matter tends to be gaseous. When thermal energy is low relative to the intermolecular forces, matter tends to b...

The nuclear fission of U−235 can occur by different pathways. If 2 neutrons and 94Kr36 are produced, what is the other fission product? Correct Answers 140/56 Ba The sun is the most powerful, reliable energy source available on earth. As photovoltaic cells become more efficient, solar power is becoming a more realistic option for supplying our energy needs. Fill in the blanks in the sentences below about photovoltaic cells. Correct Answers Photovoltaic cells (PVs) convert light energy int...

Which statement by a nurse to a patient newly diagnosed w/ type 2 diabetes is correct? a) Insulin is not used to control blood glucose in patient w/ type 2 diabetes b) Complications of type 2 diabetes are less serious than those of type 1 diabetes c) Changes in diet and exercise may control blood glucose levels in type 2 diabetes d) Type 2 diabetes is usually diagnosed when the patient is admitted w/ hyperglycemic coma Correct Answers C For some patients w/ type 2 diabetes, change...

CHAPTER 1 Correct Answers The nurse researcher is preparing to search for practice protocols. Which steps will assist in the process of nursing research? Correct Answers (1) Conducting a systematic investigation (2) Organizing existing data (3) Planning strategies to search literature (4) Persistent focus Which statement best describes the relationship between research and practice? Correct Answers Research involves searching and testing available knowledge and EBP involves finding the...

A 53-yr-old male patient with deep partial-thickness burns from a chemical spill in the workplace experiences severe pain followed by nausea during dressing changes. Which action will be most useful in decreasing the patient's nausea? a. Keep the patient NPO for 2 hours before dressing changes. b. Give the ordered prochlorperazine before dressing changes. c. Administer the prescribed morphine sulfate before dressing changes. d. Avoid performing dressing changes close to the patient...

What are intrarenal causes of acute kidney injury (AKI) (select all that apply)? a. Anaphylaxis b. Renal stones c. Bladder cancer d. Nephrotoxic drugs e. Acute glomerulonephritis f. Tubular obstruction by myoglobin Correct Answers d, e, f. Intrarenal causes of acute kidney injury (AKI) include conditions that cause direct damage to the kidney tissue, including nephrotoxic drugs, acute glomerulonephritis, and tubular obstruction by myoglobin, or prolonged ischemia. Anaphylaxis and o...

A client is admitted to an emergency department with chest pain that is consistent with myocardial infarction based on elevated troponin levels. Heart sounds are normal and vital signs are noted on the client's chart. The nurse should alert the health care provider because these changes are most consistent with which complication? Refer to chart. 1. Cardiogenic shock 2. Cardiac tamponade 3. Pulmonary embolism 4. Dissecting thoracic aortic aneurysm Correct Answers 1. Cardiogenic shock occ...

A patient who is scheduled for a right breast biopsy asks the nurse the difference between a benign tumor and a malignant tumor. Which answer by the nurse is correct? A. "Benign tumors do not cause damage to other tissues." B. "Benign tumors are likely to recur in the same location." C. "Malignant tumors may spread to other tissues or organs." D. "Malignant cells reproduce more rapidly than normal cells." Correct Answers C The nurse teaches a patient who is scheduled for a pros...

When family members ask the nurse about the purpose of the ventriculostomy system being used for intracranial pressure monitoring for a patient, which response by the nurse is best? a. "This type of monitoring system is complex and highly skilled staff are needed." b. "The monitoring system helps show whether blood flow to the brain is adequate." c. "The ventriculostomy monitoring system helps check for alterations in cerebral perfusion pressure." d. "This monitoring system has multip...

A characteristic common to all hormones is that they a. circulate in the blood bound to plasma proteins b. influence cellular activity of specific target tissues c. accelerate the metabolic processes of all body cells d. enter a cell to alter the cell's metabolism or gene expression Correct Answers b. influence cellular activity of specific target tissues A patient is receiving radiation therapy for cancer of the kidney. The nurse monitors the patient for signs & symptoms of damage to ...