A Previuosly Healthy Man Comes to the Office Due to Recent

question 161

Multiple Choice

A previuosly healthy man comes to the office due to recent fatigue. He is a long-distant runner and last week, he couldn't complete his training session due to fatigue. he recently had a self-limiting upper respiratory illness.  He does not use tobacco, alcohol, or illicit drugs and has not traveled recently.  Temperature is 37.2 C (99 F) , blood pressure is 110/62 mm Hg, pulse is 80/min, and respirations are 20/min.  Physical examination reveals lung crackles.  Echocardiography shows no valvular abnormalities and the following parameters: Based on the observed findings, which of the following is most accurate about this patient?

• A)Cardiac output is 4 L/min
• B)Cardiac output is 6 L/min
• C)Left ventricular ejection fraction is 40%
• D)Left ventricular ejection fraction is 60%
• E)Stroke volume is 40 mL
• F)Stroke volume is 60 mL

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Definitions:

Child's Transition

The process by which children move from one stage of development or activity to another, involving changes in roles, responsibilities, and expectations.

Serotonin

A neurotransmitter in the brain that plays a key role in stabilizing mood, feelings of well-being, and happiness, also influencing sleep, digestion, and other bodily functions.

Depression

A psychological condition marked by a continuous state of sadness or a lack of enjoyment in usual activities, leading to considerable disruption in everyday functioning.

Neurotransmitter

Chemical messengers used by neurons in the brain and body to communicate with each other across synapses, playing key roles in mood, thought, and bodily functions.