Gerontologic Nursing 5th Edition by Sue E. Meiner
Gerontologic Nursing 5th Edition by Sue E. Meiner
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Chapter 19: Laboratory and Diagnostic Tests
Complete Chapter Questions With Answers
Sample Questions Are Posted Below
MULTIPLE CHOICE
| a. | checking the patient for drug allergies before requesting an antibiotic prescription. |
| b. | asking that the patient’s temperature be taken before notifying the physician. |
| c. | encouraging the patient to drink several glasses of water and then repeat the laboratory tests. |
| d. | having the patient produce a urine sample and requesting a stat urinalysis. |
ANS:Â B
When interpreting laboratory values and deciding the best course of treatment, the older adult should be viewed holistically: signs, symptoms, and test results, such as the patient’s temperature, should all be taken into account.
DIF:Â Â Â Application (Applying)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â REF:Â Â N/AÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â OBJ:Â Â 19-10
TOP:  Nursing Process: Assessment          MSC: Physiologic Integrity
| a. | suggesting supplementing vitamin A. |
| b. | encouraging regular intake of citrus. |
| c. | identifying iron-rich foods. |
| d. | suggesting supplementing vitamin B12. |
ANS:Â D
Malabsorption of B12 can be caused by the effect of antibodies on gastric parietal cells and a decrease in intrinsic factor, the underlying cause of pernicious anemia. The prevalence of pernicious anemia increases significantly with aging. Pernicious anemia is not associated with vitamin A, citrus, or iron.
DIF:Â Â Â Applying (Application)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â REF:Â Â N/AÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â OBJ:Â Â 19-10
TOP:  Teaching-Learning                         MSC: Physiologic Integrity
| a. | A thrombocyte count of 40,000/mm3 |
| b. | Decreasing erythrocyte sedimentation rate of 10 to 20 mm/hr |
| c. | Increasing C-reactive protein level |
| d. | Increased partial prothrombin time |
ANS:Â C
C-reactive protein is a marker present in the acute phase of an inflammatory response. The other lab values do not indicate infection.
DIF:Â Â Â Remembering (Knowledge)Â Â Â Â Â Â Â Â Â Â Â Â REF:Â Â Page 348Â Â Â Â Â Â Â OBJ:Â Â 19-10
TOP:  Nursing Process: Assessment          MSC: Physiologic Integrity
| a. | asks if the patient has been using a nonsteroidal antiinflammatory drug (NSAID). |
| b. | determines if the patient is receiving a diuretic that promotes potassium loss. |
| c. | suggests several potassium-rich foods to supplement dietary potassium intake. |
| d. | monitors the patient’s urinary output for possible fluid retention. |
ANS:Â A
A potassium level of 5.3 mEq/L is high. NSAIDs such as ibuprofen interfere with potassium excretion. The other answers are not related to hyperkalemia.
DIF:Â Â Â Application (Applying)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â REF:Â Â N/AÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â OBJ:Â Â 19-3
TOP:   Nursing Process: Assessment   MSC:  Physiologic Integrity
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