Hypersensitivity is usually caused by _________.

A. a complete antigen
B. bacterium
C. a hapten
D. a virus


Ans: C. a hapten

Anatomy & Physiology

You might also like to view...

The process of depositing calcium salts into a tissue is called

A) ossification. B) remodeling. C) resorption. D) osteolysis. E) calcification.

Anatomy & Physiology

When an athlete suffers an injury that results in symptoms of flaccid paralysis of a portion of a muscle, what type of nerve damage has occurred?

A) A lower motor neuron has been damaged. B) An upper motor neuron has been damaged. C) There is a CNS injury, but no injury to the muscle. D) No nerve has been damaged; only muscle fibers have been injured. E) None of the answers are correct.

Anatomy & Physiology

The time in which cross bridges are active is called the period of ________.

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

Anatomy & Physiology

Which of the following structures secrets hormone renin?

a. Peritubular capillaries b. Glomerular capillaries c. Nephronic tubules d. Juxtaglomerular apparatus e. Bowman's capsule

Anatomy & Physiology