The cranial nerve that supplies parasympathetic innervation to the thoracic organs is
A. CN X.
B. CN II.
C. CN VI.
D. CN III.
E. CN IX.
Answer: A
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The resistance is in the middle of a __________-class lever.
Fill in the blank(s) with the appropriate word(s).
Match each of the terms or structures with its definition, description, or function.
a. keratin b. stratum germinativum c. stratum corneum d. hair papilla e. hair shaft f. lunula g. cuticle h. nail bed i. eccrine gland j. apocrine gland 1. _____ Skinfold that covers the root of the nail 2. _____ Outermost layer of the epidermis 3. _____ Sweat gland distributed over almost all of the body 4. _____ Part of the hair visible above the skin 5. _____ A tough protein that fills the outermost layer of skin cells 6. _____ Layer of epithelial tissue under the nail 7. _____ Sweat glands concentrated in the axillae and in the genital area 8. _____ Layer of the epidermis that undergoes constant mitosis 9. _____ White crescent-shaped area at the base of the nail 10. _____ Cap-shaped cluster of cells from which hair growth begins
Matching
A) A B) C C) D D) E E) B 1) Periosteum. 2) Articular cartilage. 3) Joint (articular) cavity. 4) Synovial membrane. 5) Fibrous layer.
What is a benign tumor?
A) A mass produced by abnormal growth and division of cells that remains within the original tissue and does not spread. B) A mass produced by abnormal growth and division of cells that spreads beyond the original tissue and usually threatens life. C) A blockage of the blood vessels due to an accumulation of plaque. D) A mass produced when auto-antibodies attack and destroy an organ. E) A collection of blood vessels that are produced to serve a highly metabolic organ.