Flashcards in Araceli Deck (69)
In an adult, erythrocytes are continuously produced in the
red bone marrow
*A patient has a test ordered to determine why he is having fatigue and soreness of the tongue. A test that will measure the absorption of radioactive vitamin B12 is
The spleen stores how many milliliters of blood that can be released in emergencies?
500 mL (1 pint)
*The patient has agranulocytosis with a neutrophil count of 10%. The most important nursing intervention would be
What is the "life-cycle" of RBC's?
What does the "QRS" complex represent?
depolarization of the ventricles.
What does the "T" represent?
repolarization of the ventricles.
What does the "P" represent?
depolarization of the atria.
What do radiographic examinations of the chest provide?
A film record of the heart size, shape, and position/outline of the shadows.
What is Sinoatrial node (SA node)?
The normal pacemaker of the heart is the
A patient complains of burning and numbness in her hands and states that "they turn really red" if she is in an air-conditioned environment for too long. What are her symptoms suggestive of?
The most important factor in regulating the caliber of blood vessels, which determines resistance to flow, is:
The sympathetic nervous system
Buerger's disease is NOT characterized by
Lipid deposits in the arteries
A significant cause of venous thrombosis is:
a. Altered blood coagulation
b. Stasis of blood
c. Vessel wall injury
A client who has been receiving heparin therapy also is started on warfarin sodium (coumadin). The client asks the nurse why both medications are being administered. In formulating a response, the nurse incorporates the understanding that warfarin sodium:
Inhibits synthesis of specific clotting factors in the liver, and it takes 3 to 4 days for this medication to exert an anticoagulation effect.
Mike, a 43-year old construction worker, has a history of hypertension. He smokes two packs of cigarettes a day, is nervous about the possibility of being unemployed, and has difficulty coping with stress. His current concern is calf pain during minimal exercise that decreased with rest. The nurse assesses Mike's symptoms as being associated with peripheral arterial occlusive disease. The nursing diagnosis is probably:
Alteration in tissue perfusion related to compromised circulation
(this one was an extra credit question)
Which technique is considered the gold standard for diagnosing DVT?
In preparation for discharge of a client with arterial insufficiency and Raynaud's disease, client teaching instructions should include:
Keeping the heat up so that the environment is warm
A client comes to the outpatient clinic and tells the nurse that he has had legs pains that begin when he walks but cease when he stops walking. Which of the following conditions would the nurse assess for?
Peripheral vascular problems in both legs
Which of the following characteristics is typical of the pain associated with DVT?
A client is admitted with a venous stasis leg ulcer. A nurse assesses the ulcer, expecting to note that the ulcer:
Has brown pigmentation around it.
what teaching instructions must be given to patients wearing cardiac telemetry monitors
Never remove telemetry device so pt can shower!!! Unless dr order.
why would an MRI be contraindicated for a patient with a pacemaker
may cause interference, placing the pacemaker in a fixed mode and interfering with its functioning
heart rate for normal sinus rhythem
rate of 60 to 100 beats/minute.
heart rate for sinus bradycardia
less than 60 bpm
heart rate for sinus tachycardia
-avoid dark green and yellow vegetables in diet d/t high in Vit K which counteracts drug
coumadin-what are therapeutic levels for this medication
maintain an INR between 2 and 3
RIGHT sided heart failure:
Dependent edema of the extremities, enlargement of the liver, oliguria, jugular vein distention, and abdominal distention