Accommodation of the lens occurs when
A. ciliary muscles contract.
B. the lens becomes more spherical.
C. parasympathetic axons stimulate the ciliary muscles.
D. the ciliary body moves closer to the lens.
E. All of the choices are correct.
Answer: E
You might also like to view...
What factors have been identified that can cause an increased risk of heart attack?
What will be an ideal response?
The inspiratory and expiratory centers are located in the:
a. pons b. cerebrum c. medulla d. cerebellum
Which lymphatic organ is poorly developed at birth and develops postnatally when invaded by immunocompetent lymphocytes?
A. Bone marrow B. Lymph node C. Tonsil D. Thymus E. Spleen
What type of muscle contraction is occurring is a person is sitting up straight?
a. Isotonic contraction. b. Tetanic contraction. c. Tonic contraction. d. Isometric contraction.