The nurse is caring for an older patient who is occasionally confused. What should be the nurse's primary concern regarding fluid and electrolytes when caring for this patient?
A. Risk of kidney damage
B. Risk of dehydration
C. Risk of stroke
D. Risk of bleeding
Answer: B
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Which of the following structures is considered a vestigial organ?
a. Sigmoid colon b. Rectum c. Appendix d. Internal sphincter of the anus
Which of the following factors reduces hypertension?
A. Sodium restriction and weight loss can lead to a reduction in blood pressure. B. Practicing relaxation techniques aimed at reducing stress can lead to a reduction in blood pressure. C. Elimination of smoking and regular physical exercise can lead to a reduction in blood pressure. D. All of these are correct.
Which of the following statements about the fragile X syndrome is INCORRECT?
A. It causes mental deficiency. B. It affects a gene on the X chromosome. C. It is characterized by an excessive number of cytosine-guanine-guanine triplet-repeating sequences that disrupt gene function. D. There is no relationship between the number of triplet repeats and the severity of the mental deficiency. E. The diagnosis is made by DNA analysis of cells from the affected person.
A patient has a positive response to a Candida test, in addition to a positive purified protein derivative (PPD) skin test. Which interpretation of this result is correct?
a. The patient is anergic. b. The patient has a Candida infection. c. The patient's PPD test is reliable. d. The patient has active tuberculosis infection.