assisting ent
The medical assistant needs to do which of the following when performing eye irrigation on a patient?
hold the syringe 1/2 inch from the eye
which blood vessels carry blood towards the heart?
veins
A physician who suspects pregnancy-induced diabetes would order which of the following tests?
glucose tolerance
Talcum or lotion preventing good contact with the skin can result in which artifact?
wandering baseline
After a nebulizer machine is turned on, it creates a mist, and the patient puts the nebulizer treatment in the mouth. For how long must the patient breathe deeply?
8-10 minutes
A decline in hearing acuity that is a normal part of aging is referred to as which of the following?
presbycusis
The order of draw in blood collection is important for what reason?
it prevents contamination
The efficacy of a drug that a patient is taking to control cholesterol could be confirmed by which of the following?
lipid panel
where should lead v6 be located?
Left of the midaxillary, horizontal to V4 and V5
What do increased flow rates indicate when the medical assistant is measuring the peak expiratory flow rate?
desirable response to medication
The medical assistant should be sure to do what when performing audiometry?
start with a low frequency
Transportation of oxygen is via molecules in red blood cells known as which of the following?
hemoglobin
Blood plasma contains which three types of solutes?
plasma proteins, electrolytes, hormones
Exercise tolerance testing achieves which of the following purposes?
To reveal symptoms that are not obvious on a resting ECG
After a normal exhale, the amount of air that can be forcibly exhaled is called what?
expiratory resolve volume
What is the use of a Snellen chart to a medical assistant?
to test distance acuity
capillaries perform which of the following functions?
act as bridges between veins and arteries
Leukocytes thought to be manufactured in bone marrow and that produce heparin are:
basophils
An ECG reading that looks like the pattern of teeth on a saw, caused by a rapid movement of the upper heart chambers, indicates which abnormality?
atrial flutter
If the patient must exhale as much air as possible and prolong that exhalation for 6 seconds for it to be considered a satisfactory test, then what is being measured by this test?
forced vital capacity
To test a patient for near vision acuity, which of the following should a medical assistant do?
ensure the jaeger card is 14-16 inches away from face
Multiple samples may be obtained at the same time, requiring fewer sticks for the patient and faster collection for the medical assistant, with which of the following methods of venipuncture?
vacuum container method
Usually accompanied by the International Normalized Ratio (INR), what is a test that measures the clotting time of blood?
prothrombin time
Which of the following involves using a nuclear scan to check for blood flow in the myocardium?
MUGA scan
What is the term for the roughly 500 mL of air exhaled or inhaled during normal breathing?
tidal volume