Which lymphoid organ provides a site for lymphocyte proliferation and immune surveillance and response and provides blood-cleansing functions?

A. tonsil
B. thymus
C. lymph node
D. spleen


Ans: D. spleen
The spleen provides a site for lymphocyte proliferation and immune surveillance and response, and blood-cleansing functions such as storing some of the breakdown products of erythrocytes and storage of platelets.

Anatomy & Physiology

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a) 15 seconds. b) 15 minutes. c) 1.5 minutes. d) 5 seconds. e) one minute.

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Explain how synergists and antagonists balance the action of the agonist

What will be an ideal response?

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Restrictive disorders are characterized by which of the following?

A. Reduced compliance of the lungs B. Increased vital capacity C. Obstruction of air passageways D. Relatively more difficulty during expiration compared to inspiration E. Bronchoconstriction and airway inflammation

Anatomy & Physiology

Which of the following statements regarding lipid membranes is true?

a. Phospholipids will spontaneously form liposomes in nonpolar solvents. b. A solution of pure fatty acids forms a lipid bilayer in a polar solvent. c. Membrane lipids move laterally within their own layer. d. Membrane lipids frequently move between one layer of the bilayer and the other. e. The preferred form of a lipid bilayer in water is a flat sheet with exposed edges.

Anatomy & Physiology