Carotid Doppler studies are used to monitor
a. blood flow in the anterior, middle, or posterior cerebral arteries.
b. blood flow in the common and internal carotid arteries.
c. arteriovenous circulation in the intracranial space.
d. global cerebral blood flow.
B
Ultrasound technology, although not an absolute measure of cerebral blood flow, uses a noninvasive technique to provide information about the flow velocity of blood through carotid vessels. Carotid duplex studies are used as a routine screening procedure for intraluminal narrowing of the common and internal carotid arteries as a result of atherosclerotic plaques.
You might also like to view...
When performing an initial pulmonary artery occlusion pressure (PAOP), what are the best nursing actions? (Select all that apply.)
a. Inflate the balloon for no more than 8 to 10 seconds while noting the waveform change. b. Inflate the balloon with air, recording the volume necessary to obtain a reading. c. Maintain the balloon in the inflated position for 8 hours following insertion. d. Zero reference and level the air-fluid interface of the transducer at the level of the phlebostatic axis.
The authority making it illegal for employers to encourage or discourage membership in a union is the ____
a. American Nurses Association b. Legal Information Institute c. National Federal Employer Board d. National Labor Relations Act
A nursing student asks the nurse why more is not known about the teratogenic effects of maternal medication ingestion during pregnancy. Which response by the nurse is correct?
a. "Clinical trials to assess this risk would put the fetus at risk." b. "It is safer to recommend that pregnant women avoid medications while preg-nant." c. "Most women are reluctant to admit tak-ing medications while they are pregnant." d. "The relatively new MEPREP study will allow testing of medications during preg-nancy in the future."
The nurse, administering an infusion of vancomycin, will observe the client for which symptoms of red man syndrome?
Standard Text: Select all that apply. 1. Reddening of the upper body 2. Hypotension 3. Reflex tachycardia 4. Headache 5. Seizure