Lois Is a Self-Employed Pet Sitter

question 267

Multiple Choice

Lois is a self-employed pet sitter.She can make 20 "housecalls" per day.She is considering hiring her sister Dora to work for her.Dora can visit 18 houses per day.What would be the total output of Lois's firm if she hired her sister?

• A) 18
• B) 19
• C) 20
• D) 38

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Definitions:

Murmur

A sound heard during heartbeat cycles, often indicative of a heart disorder but sometimes found in healthy hearts.

Lubb (S1)

The first heart sound in the cardiac cycle, associated with closure of the mitral and tricuspid valves at the beginning of ventricular contraction.

Dupp (S2)

A term referring to the duplication of the second heart sound, often associated with physiological or pathological cardiac conditions.

Pulmonary Trunk

The major blood vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.