What is the average life span of a red blood cell (RBC)?
a. 30 days
b. 90 days
c. 100 days
d. 120 days
D
RBCs live approximately 120 days.
You might also like to view...
A 4-year-old boy has a febrile seizure during a well-child visit. Which of the following is the priority nursing intervention?
A) Place the child on his side with his head extended during the seizure. B) Place the child on his back with his head hyperextended when the seizure ends. C) Loosen the child's clothing to ensure a patent airway. D) Protect the child from harm during the seizure.
Which of the following is a datum from a quantitative study of the labor and delivery experiences of women over age 40?
A) Length of time in labor B) 107 oz C) "I practically slept through the whole thing!" D) Vaginal versus cesarean delivery
A patient is admitted to the ICU with diagnosis of fever of unknown origin
The patient is complaining of fatigue, malaise, joint pain, and shivering. VS include: T 103F, HR 90 beats/min, RR 22 breaths/min, BP 132/78, and O2 sat 94% on 2L/NC. Blood cultures are ordered. The patient has a history of MI 3 months ago. The nurse suspects that the patient has developed a. CAD. b. heart failure. c. endocarditis. d. pulmonary embolus.
A patient who has been prescribed phenytoin (Dilantin) reports gum swelling around the teeth. What is your best action?
a. Tell the patient to document this unexpected change by taking a photograph. b. Instruct the patient to stop the drug and notify the prescriber immediately. c. Teach the patient to visit the dentist regularly and brush and flow carefully. d. Remind the patient to clean teeth gently with dental swabs and avoid flossing.