In a colloid, individual atoms or ions are distributed throughout the medium

a. True
b. False
Indicate whether the statement is true or false


False

Anatomy & Physiology

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The drug cocaine exerts its stimulatory effect by

a. inhibiting phosphodiesterase activity, allowing an accumulation of cAMP and stimulation of PKA. b. activating purinergic receptors. c. inhibiting dopamine reuptake, resulting in prolonged activation of dopamine receptors by endogenous dopamine. d. none of these.

Anatomy & Physiology

The obstructive lung disease in which connective tissues are lost, alveolar surfaces are damaged, and the respiratory surface is reduced is called

A) asthma. B) bronchitis. C) emphysema. D) tuberculosis. E) pneumonia.

Anatomy & Physiology

Found within both the periosteum and endosteum, ________ cells are derived from mesenchyme and serve as the stem cells of bone.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which number indicates a dermal papilla?

A.   1 B.   2 C.   3 D.   4 E.   5

Anatomy & Physiology