How should the nurse explain the mechanism that causes the skin to become reddened from prolonged exposure to cold?
a) reflex vasodilation occurs following the initial vasoconstricting effects of the cold
b) cold causes a numbing sensation, which interferes with circulation at the site
c) debris from necrotic tissue collects at the site of vasoconstriction, causing inflammation
d) intradermal tissue blisters occur as the result of the damage caused by exposure to cold
Answer: a) reflex vasodilation occurs following the initial vasoconstricting effects of the cold
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A patient is admitted with a diagnosis of generalized anemia. The nurse would conduct assessment for which types of associated disorders? Note: Credit will be given only if all correct choices and no incorrect choices are selected
Select all that apply. 1. Disorders that cause defective oxygenation in the lungs 2. Disorders that result in disruption in erythrocyte volume 3. Disorders that include airway obstruction as a major manifestation 4. Disorders that cause erythrocyte destruction 5. Disorders characterized by abnormal absorption of vitamin C
Pica is a craving for nonfood items such as laundry starch, clay, or ice. What problem is associated with pica?
A) Excessive weight gain C) Lead contamination B) Iron deficiency D) Diarrhea
The nurse notes bilateral enlargement of the breasts during examination of a 62-year-old man. Which action should the nurse take first?
a. Teach the patient how to palpate the breast tissue for lumps. b. Question the patient about medications being currently used. c. Refer the patient for mammography and biopsy of the breast tissue. d. Explain that this is a temporary condition due to hormonal changes.
Identify an accurate statement about nociceptors.
A. Nociceptors are located in every part of the body except for the bones. B. Nociceptors are blocked by peripheral neurotransmitters like prostaglandins, histamine, and serotonin. C. Nociceptors respond to tissue injury and painful stimuli. D. Nociceptors are the most active in the absence of a pain stimulus.