A male patient complains of physical weakness and fatigue. A blood test shows his hematocrit to be 30%. Which of the following diagnoses is the least likely to explain his symptoms?
A. internal bleeding
B. dietary iron deficiency
C. dietary vitamin B12 deficiency
D. lung disease
E. kidney disease
D
Anatomy & Physiology
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A hormone has a half-life of 20 minutes. After an hour, ________ percent of the original number of molecules remains.
A. 12.5 B. 50 C. 0 D. 25
Anatomy & Physiology
The adolescent period begins at the end of the first year and completes at puberty
Indicate whether the statement is true or false
Anatomy & Physiology
The synchronous contraction of a single motor unit is known as a(n)
A) twitch. B) asynchronous motor unit summation. C) cross-bridge. D) fasciculation. E) muscle action potential.
Anatomy & Physiology
The epineurium is composed of nervous tissue.
Answer the following statement true (T) or false (F)
Anatomy & Physiology