If a patient has a weak side, encourage the patient to hold on to the handles of a walker while getting up from a sitting position
Indicate whether the statement is true or false
False
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Formaldehyde exposure comes mainly through broken thermometers and sphygmomanometers
Indicate whether the statement is true or false.
A blood sample for a trough drug level should be drawn:
A. During the distribution phase of the drug. B. Shortly before drug administration. C. 1 hour after drug administration. D. During phase I biotransformation.
When a person exhales:
A. increasing the volume of the chest cavity, which decreases the pressure in the chest cavity. B. decreasing the volume of the chest cavity, which decreases the pressure in the chest cavity. C. increasing the volume of the chest cavity, which increases the pressure in the chest. D. decreasing the volume of the chest cavity, which increases the pressure in the chest cavity.
A patient known to have an AV pacemaker has been brought to the emergency department of the hospital where you work. The patient is pale, is having difficulty breathing, and is barely conscious. At the physician's request, you perform an immediate ECG. A portion of the tracing is shown here. What may be causing the patient's signs and symptoms? 
A. The pacemaker is oversensing, so it is generating impulses at a slower rate than it should, resulting in a slow heart rate and low cardiac output. B. The pacemaker has stopped functioning, and the patient is in cardiac arrest. C. The pacemaker is sending too many impulses, and the patient's heart cannot respond quickly enough. D. The pacemaker is functioning, but the patient's heart is not depolarizing after every impulse, leading to low cardiac output.