A nurse is teaching a group of nursing students about tricyclic antidepressants (TCAs). Which statement by a student indicates a need for further teaching?
a. "TCAs block receptors for histamine, acetylcholine, and norepinephrine."
b. "TCAs block the uptake of norepinephrine and 5-HT."
c. "TCAs have many side effects, but none of them are serious."
d. "TCAs have other uses than for depres-sion."
C
TCAs can adversely affect cardiac function, and these effects can be serious in patients with preexisting cardiac impairment. TCAs do block receptors for histamine, acetylcholine, and nore-pinephrine; they do block the uptake of norepinephrine and 5-HT; and they do have other uses besides depression.
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A 44-year-old female patient presents to the emergency department with abnormal bleeding and abdominal pain that is later attributed to gallbladder disease
Which of the following diagnoses would the medical team be most justified in suspecting as a cause of the patient's bleeding?
A) Excess calcium
B) Vitamin K deficiency
C) Hemophilia B
D) Idiopathic immune thrombocytopenic purpura (ITP)
Temporary inadequate blood and oxygen supply to the myocardial tissues is called:
a. angina pectoris c. myocardial ischemia b. cardiac tamponade d. myocarditis
The nurse is caring for an infant recovering from surgery for pyloric stenosis. Which nursing diagnosis should the nurse use to guide care during the immediate postoperative period?
A) Anxiety related to new feeding method used postoperatively B) Ineffective tissue perfusion related to pressure on heart chambers C) Excess fluid volume related to increased fluid intake prescribed postoperatively D) Risk for infection of incision line, related to disruption of skin barrier during surgery
1/3 drams = gr _____
a. 180 b. 20 c. 5 d. 45