Tarry black stools should make you suspect:
a. internal hemorrhoids.
b. rectal fistula.
c. upper intestinal bleeding.
d. prostatic cancer.
C
Upper intestinal tract bleeding results in tarry black stools.
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The nurse practitioner (NP) infiltrates with lidocaine the area around a lesion to be incised. For optimal anesthesia, the NP should anticipate a waiting period of
a. 5 to 10 minutes. b. to hour. c. no significant time. d. optimally, 1 hour.
The nurse is preparing to administer heparin via a saline lock. The nurse should perform all of the following actions, except:
a. disinfect the diaphragm of the saline lock before administration, b. use a small gauge needle if not using a needleless system. c. remove the saline lock cap before administration. d. monitor for infiltration during administration
A child with diabetes insipidus has been admitted to the pediatric unit. The nurse would expect the child's laboratory value to demonstrate:
1. Hyperglycemia. 2. Hypernatremia. 3. Hypercalcemia. 4. Hypoglycemia.
The nurse is reviewing the menstrual cycle with a client who is experiencing menstrual irregularities. The nurse teaches that during the menstrual cycle, the majority of progesterone is secreted by the:
1. hypothalamus. 2. corpus luteum. 3. ovarian follicle. 4. anterior pituitary gland.