A 68-Year-Old Man Comes to the Office Due to Several

question 144

Multiple Choice

A 68-year-old man comes to the office due to several weeks of progressive exertional dyspnea and lower extremity edema.  Medical history is significant for non-Hodgkin lymphoma, which is in remission after chemotherapy 8 years ago.  Blood pressure is 126/76 mm Hg and pulse is 88/min.  Physical examination reveals bibasilar lung crackles and 1+ bilateral lower extremity edema.  Echocardiography shows biventricular dilation and a left ventricular ejection fraction of 35%.  Stress myocardial perfusion scan is negative for inducible ischemia.  After initial stabilization, long-term use of which of the following medications will most likely improve survival in this patient?

• A)Amiodarone
• B)Amlodipine
• C)Carvedilol
• D)Digoxin
• E)Diltiazem
• F)Flecainide
• G)Furosemide

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Definitions:

Sensory Neuron

A nerve cell that is directly involved in receiving and transmitting information from sensory stimuli to the central nervous system.

Synaptic Plasticity

The ability of synapses to change in response to certain types of stimuli. Synaptic changes occur during learning and memory storage.

Walking Skills

The abilities or techniques associated with locomotion on foot, which can vary widely among different organisms and developmental stages.

Synaptic Connections

The points of contact where signals are transmitted between neurons or between neurons and other cell types.