Which of the following is extremely important when performing any kind of procedure on a blind patient?
A) Continuous communication; letting the patient know everything you're doing before you do it
B) Speaking slowly
C) Speaking loudly
D) Holding the patient's hand at all times
A
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Many diseases associated with CNS result in which of the following?
A) Elevation of intracranial pressure and alterations in CSF volume B) Increased porosity of the pia and dura mater C) Alterations in the fluid composition within the ventricles of the brain D) Changes in the average mass of the brain to total CSF volume
When performing diagnostic testing the MA must be careful to prevent:
A) exposure to biohazard materials. B) exposure to chemical waste. C) accidents in the lab. D) all of the above.
The best way to remove loose interproximal cement on a newly cemented crown is by
using a scaler. using a piece of floss with a knot tied in the middle. using an ultrasonic handpiece. using the air/water syringe.
Which of the following statements regarding the placenta is correct?
A. The placenta allows oxygen, carbon dioxide, and other products to transfer between the mother and fetus but does not allow blood to mix between the mother and fetus. B. The placental barrier consists of two layers of cells and allows the mother's blood that contains high concentrations of oxygen to directly mix with the blood of the fetus. C. The placenta, also referred to as the afterbirth, provides oxygen and nutrients to the fetus and is expelled from the vagina about 30 minutes before the baby is born. D. The placenta allows for the transfer of oxygen and carbon dioxide between the mother and fetus but prevents most medications from passing between the mother and fetus.