What factors determine the rate of simple diffusion of a molecule?

a. ?temperature
b. ?concentration gradient
c. 1/?molecular weight and size
d. ?distance2
e. all of the above


Answer: e. all of the above

Anatomy & Physiology

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Which of the following structures produces a hormone responsible for stimulating red blood cell production?

A. Stomach B. Heart C. Kidney D. Skin

Anatomy & Physiology

What happens when the hydrogen ion concentration in the body fluids is too low? a. Oxygen absorption increases

b. Hydrogen absorption increases. c. Hydrogen absorption decreases. d. Hydrogen secretion increases. e. Hydrogen secretion decreases.

Anatomy & Physiology

A state of conscious awareness of stimuli received by sensory receptors is called

A. adaptation. B. projection. C. translation. D. perception. E. inclination.

Anatomy & Physiology

Which of the following precursor cells eventually give rise to the platelets?

a) Megakaryoblast b) Proerythroblast c) T lymphoblast d) Monoblast e) Myeloblast

Anatomy & Physiology