The P wave of a normal electrocardiogram indicates ________.

ventricular depolarization
ventricular repolarization
atrial repolarization
atrial depolarization


atrial depolarization

Anatomy & Physiology

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Muscarinic receptors are proteins that bind the neurotransmitter

A. epinephrine. B. norepinephrine. C. acetylcholine.

Anatomy & Physiology

Medial means "to the side."

Indicate whether the statement is true or false.

Anatomy & Physiology

The transverse colon is part of the upper gastrointestinal tract.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The term for collapse of the alveoli ( commonly observed during anesthesia) is:

A) hypoxia B) alveolar dilation C) atelectasis D) alveoloxia E) alveolitis

Anatomy & Physiology