The purpose of an Allen test is to check blood flow in the _____ artery. 1. ulnar 2. radial 3. brachial 4 posterior tibial 5. lateral plantar
a. 1, 2, and 3 c. 1, 4, and 5
b. 2, 3, and 4 d. 3, 4, and 5
ANS: C
An Allen test should always be done before a radial artery puncture is performed to ensure that there is collateral circulation in the ulnar artery. An Allen type of test should be performed to en-sure collateral circulation in the posterior tibial and lateral plantar arteries when drawing arterial blood from the dorsal artery of the foot.
You might also like to view...
Which one of the following statements is TRUE about vital signs obtained on a patient with nausea and vomiting?
A) The vital signs will help to determine the relative stability or instability of the patient. B) The vital signs will allow the AEMT to diagnose the cause of the nausea and vomiting. C) The patient's complaint will be significant only if the vital signs are abnormal. D) If the vital signs are within normal limits, it is safe to let the patient refuse transport.
The Federal Civil False Claims Act prohibits submitting a(n) ________ claim.
Fill in the blank(s) with the appropriate word(s).
What is responsible for overall fluid conservation or excretion?
A) The small intestine B) The nervous system C) The brain D) The kidneys
Which of these skin problems can be caused by excessive rubbing of the skin?
A. Folliculitis B. Psoriasis C. Scabies D. Dermatitis E. Pediculosis