A 68-year-old male is admitted to the hospital for emphysema. He is hypoxic and his lab tests reveal low oxygen levels. His hematocrit is 65%. The physician has told him that he has a type of polycythemia in which he has an increased number of erythrocytes circulating in his bloodstream. The patient tells the nurse that he does not understand what that means. How would the nurse explain this
in terms the patient could understand?
What will be an ideal response?
"Because you have decreased oxygen levels in your blood, your body has responded by producing more red blood cells, causing a type of polycythemia, the term for excessive RBC production. The low oxygen level stimulates erythropoietin (a hormone) production in the kidneys to stimulate the production of more red blood cells."
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Which of the following is incorrect pertaining to the celiac plexus?
A) It surrounds the root of the celiac arterial trunk. B) It contains both sympathetic and parasympathetic fibers. C) It supplies the stomach. D) It supplies the descending colon. E) It supplies the gallbladder.
Lymph nodules are
A. composed of an outer cortex and inner medulla. B. connected together in a series. C. small, bean-shaped structures. D. the site of erythrocyte production. E. located in the loose connective tissue of the various tracts of the body.
All of the following are components of mucus EXCEPT ________
A) water B) salts C) red blood cells D) white blood cells
This figure shows a palmar view of the hand. What muscle does number 1 indicate?
A. Abductor pollicis brevis B. Flexor digiti minimi brevis C. Opponens pollicis D. Adductor pollicis E. Lumbrical