The nurse is teaching a patient diagnosed with aortic stenosis the importance of attempting to relieve the symptom of angina without drugs. What would the nurse teach the patient?
A) To eat a small meal before taking nitroglycerin
B) To drink a glass of milk before taking nitroglycerin
C) To engage in 15 minutes of light exercise before taking nitroglycerin
D) To rest and relax before taking nitroglycerin
Ans: D
Feedback: The venous dilation that results from nitroglycerin decreases blood return to the heart, thus decreasing cardiac output and increasing the risk of syncope and decreased coronary artery blood flow. The nurse teaches the patient about the importance of attempting to relieve the symptoms of angina with rest and relaxation before taking nitroglycerin and to anticipate the potential adverse effects.
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A null hypothesis is stated. The null hypothesis is, "There is no difference between one baby aspirin every day and no baby aspirin at all in prevention of myocardial infarction."
What are the implications of this statement, concerning that hypothesis and type II error? (Select all that apply.) a. Accepting the null hypothesis when it actually is true means that the researcher has made a type II error in concluding that there is no difference between 10 mcg and 20 mcg of vitamin D3 in preventing osteoporosis. b. Making the statement is itself a type II error. c. Whether the null hypothesis is true or not makes no difference in terms of type II error. d. Whether or not the researcher rejects the null hypothesis makes no difference in terms of type II error. e. Accepting the null hypothesis when it actually is true means that the researcher concludes that there is no difference between 10 mcg and 20 mcg of vitamin D3 in preventing osteoporosis, and there is no error. f. Accepting the null hypothesis when it actually is false means that the researcher concludes that there is no difference between 10 mcg and 20 mcg of vitamin D3 in preventing osteoporosis, when there actually IS a difference. The researcher has therefore made a type II error.
A patient takes a psychotropic medication that affects serotonin receptors. The patient complains of anxiety, insomnia, and loss of appetite. What effect is the drug having on the serotonin receptors?
a. Activation b. Antagonism c. Paradoxical d. Inhibition
The client has received an overdose of a thrombolytic drug. The nurse anticipates that he will be treated with:
a. naloxone (Narcan). b. protamine sulfate. c. vitamin E. d. aminocaproic acid (Amicar).
Discuss the possible effects of constipation on Mrs. K's condition