Which control serves to protect a patient from overexposure and protect the tube from damage?
mAs timer
electronic timer
backup timer
AEC
backup timer
Rationale: The backup timer is crucial to ensure that the patient is protected from overexposure and to protect the x-ray tube in result of AEC failure.
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Respiration is the exchange of oxygen and _______
a. carbon monoxide c. carbon dioxide b. air d. nitrous
__________ a patient who has received professional, medical, or other healthcare services from a specific physician, or from another physician of the exact same specialty and subspecialty who also belongs to the same group practice, during the 3 years prior to the evaluation and management service in question
Fill in the blank with correct word.
The types of cholinergic receptors that innervate smooth muscle and slow the heart rate are:
A. muscarinic receptors B. nicotinic receptors C. lacrimal receptors D. salivary receptors
Using the CPT manual, select the appropriate code for the following procedure
Choledochal stent placement