Folic acid deficiency can cause ____________________ red blood cells.
Fill in the blank(s) with the appropriate word(s).
macrocytes
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What is the normal period of time for the PR interval?
a. Not longer than 0.20 sec b. Not longer than 0.30 sec c. Not longer than 0.45 sec d. Not longer than 0.50 sec
Mr. Adams is 46 years old, is 5 feet 6 inches tall, and weighs 278 pounds. He has no physical complaints, but has come to the office because lately his wife has been complaining more and more about his snoring. She says it keeps her awake at night. He wonders if there is anything he can do about it, but he warns, "I won't wear one of those machine things at night!" When taking his history, you note that his tonsils were removed when he was 14. He has no allergies and does not complain of nasal congestion. He does not drink alcohol. Which of the following suggestions is most likely to help Mr. Adams with his snoring problem?
A. "A CPAP machine is a good option, and you won't mind it once you get used to it." B. "Surgery is probably the best way to relieve your snoring." C. "Take an over-the-counter sleep aid so you will sleep more soundly." D. "Losing weight is a good way to help reduce your snoring, and you'll be healthier, too." E. "Drink a glass of wine before going to bed each night."
Which of the following is NOT true about the slowspeed handpiece?
used for removal of decay on hard enamel can be used to polish restorations and tooth material comes with a variety of attachments is used to remove soft decay
A regular wide QRS tachycardia is most likely ____.
A. ventricular tachycardia B. supraventricular tachycardia C. Wolff-Parkinson-White D. tachydysrhythmia