Red blood cell indices are useful in diagnosing
a. Congestive heart failure
b. Anemia
c. Respiratory diseases
d. Coronary heart disease
Question 2Blood hematocrit is a measurement of
a. The oxygen-carrying ability of the red blood cells
b. The total number of red blood cells in whole blood
c. The percentage of blood volume of packed red blood cells
d. The ratio of red blood cells to white blood cells
Question 3Which of the following is an abnormal urinalysis finding for older adults?
a. Glucose in the urine
b. 0 to 3 red blood cells in the urine
c. 0 to 4 white blood cells in the urine
d. Trace of protein in the urine
Question 4The disease process most commonly associated with a low hemoglobin value is
a. Anemia
b. Congestive heart failure
c. Osteoporosis
d. Renal failure
Question 5A low red blood cell count can be associated with
a. Bacterial infection
b. Recent hemorrhage
c. Dehydration
d. Recent viral infection
Question 6Which of the following is an appropriate instruction for an older adult having a stool guaiac laboratory evaluation?
a. Increase vitamin C intake 2 days before the examination
b. Avoid eating red meat 2 to 3 days before the test
c. Take a laxative the evening before the test
d. Have enemas until clear the morning of the test
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