A 60-year-old man has a painful trail of skin discoloration and fluid-filled vesicles on one side of his chest. What is the likely cause of his symptoms?
A. Rabies
B. Amyotrophic lateral sclerosis
C. Shingles
D. Spina bifida
E. Polio
Answer: C
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The most important skeletal muscles involved in making normal, relaxed, respiratory movements include (the)
A) serratus anterior and levator scapulae. B) diaphragm and external and internal intercostal muscles. C) rectus abdominis, external and internal oblique, and the transversus abdominis. D) intrinsic back muscles and the scalenus anterior and medius. E) All of the answers are correct.
Aging-related decreases in drug metabolism and excretion can lead to ________.
A. a need for greatly increased doses of a drug B. reduced need for prescription drug use C. increased benefits from taking a drug D. toxic accumulation of a drug in the body
Which brain region contains centers for processing sensory information, emotions, and hormone production?
Cite the similarities that exist between certain structures in the reproductive systems of females and males
A) The prostate gland in males is similar to the uterus in females and the both the male penis and female vagina contain erectile tissue. B) The ductus deferens in males is similar to the vagina in females and both males and females have folds of tissue called hymen. C) The scrotum in males is similar to the mons pubis in females and the urethra of both males and females travels through the reproductive structures. D) The seminal glands in males are similar to the greater vestibular glands in females and both males and females produce gametes outside of the body. E) The greater vestibular glands in females are similar to the bulbo-urethral glands in males and the both male penis and female clitoris contain erectile tissue.