B-lymphocytes cannot bind directly with an antigen, and so require presentation by another type of cell

Indicate whether this statement is true or false.


FALSE

Anatomy & Physiology

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Which of the following is an accurate description of hydrocarbons?

A.   Most of them contain phosphorus. ?B.   They are nonpolar molecules. ?C.   Most of them contain sulfur. ?D.   They are polar molecules.

Anatomy & Physiology

All receptors for __________ are confined to the head and are innervated by cranial nerves.

A. the special senses B. the somesthetic senses C. proprioception D. exteroception E. chemoreception

Anatomy & Physiology

Which of the following might serve as a secondary pacemaker for the heart?

A) Both AV node and Purkinje fibers B) AV node C) Purkinje fibers D) Neither AV node nor Purkinje fibers

Anatomy & Physiology

Which of the following is not part of the cardiac conduction system?

A) Atrioventricular (AV) bundle (bundle of His) B) Tendinous cords C) Sinoatrial (SA) node D) Atrioventricular (AV) node E) Purkinje fibers

Anatomy & Physiology