A nurse pricks your finger to type your blood. You flinch at the pain, pulling your hand back. This is called the ________ reflex.
A. flexor (withdrawal)
B. painful
C. crossed extension
D. tendon
E. stretch
Answer: A
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Chromosomes are composed mainly of DNA.
Answer the following statement true (T) or false (F)
Which of the following statements characterizes bones and bone tissue?
A) It can undergo remodeling during life. B) It can be changed by hormonal stimuli. C) It contains openings for nutrient blood vessels. D) It may have both compact and spongy regions. E) All of the answers are correct.
All of the following are characteristics of the pituitary gland except
A. located superior to the hypothalamus. B. secretes several major hormones. C. rests in the sphenoid bone. D. is regulated by the hypothalamus. E. influences the secretion of other endocrine glands.
Which set of muscles is primarily used when doing bar chin-ups?
A) Biceps femoris muscle B) Biceps brachii muscle C) Deltoid muscle D) Triceps brachii muscle