The most severe type of skin cancer is most likely to develop from
A) nonpigmented epithelial cells.
B) melanocytes.
C) pigmented basal cells.
D) nonpigmented dermal cells.
E) keratinocytes.
B) melanocytes.
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The pharynx is divided into ________ anatomical regions
A) two B) three C) four D) The pharynx is not divided into regions.
Which excretory system disorder is characterized by the buildup of urine in the kidney, which results from an obstructed flow of urine from the kidney?
A. Hydronephrosis B. Benign prostatic hyperplasia C. Kidney cancer D. Incontinence
Put the portions of the male urethra in the correct order, from the urinary bladder to the exterior. a: Spongy partb: Urethral orificec: Prostatic partd: Membranous part
A. b, a, c, d B. b, c, d, a C. c, d, a, b D. b, c, a, d E. c, a, d, b
What is the advantage of transmitting information by an electrical synapse?
A. It is chemical free. B. It is hormone free. C. There is fast recovery. D. There is less toxicity.