Which of the following is the dominant method of carbon dioxide transport?

a) Bound to hemoglobin
b) Bound to oxygen
c) Dissolved in plasma as a gas
d) Dissolved in plasma as bicarbonate ions
e) Diffusion


d

Anatomy & Physiology

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Acetylcholine is:

A) an ion pump B) a source of energy for muscle contraction C) a component of thick myofilaments D) an oxygen binding protein E) a neurotransmjtter

Anatomy & Physiology

Which of the following could be used to study general features of cells?

A. Binoculars B. A magnifying glass C. Scanning electron microscope D. Light microscope E. Transmission electron microscope

Anatomy & Physiology

The rapidly depolarizing cells, called pacemaker cells, are found in the ________, which is embedded in the posterior wall of the right atrium.

A) right bundle branch B) AV node C) left bundle branch D) intermodal pathways E) SA node

Anatomy & Physiology

The walls of lymphatic capillaries are only one cell thick

Indicate whether this statement is true or false.

Anatomy & Physiology