Which of the following is true concerning the female reproductive system?
A) It produces female sex cells.
B) It can support the development of an embryo.
C) All of the above.
D) It transports the female sex cells.
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Question 2) Electrolytes that release hydrogen ions in water are
A) electrons. B) nucleotides. C) acids. D) bases.
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Question 3) Positive feedback mechanisms usually produce
A) long-term changes.
B) unstable conditions.
C) changes returning values toward a set point.
D) stable conditions around a set point.
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Question 4) The human integumentary system includes
A) bones and muscles.
B) the epidermis, dermis, and subcutaneous layer.
C) skin, nails, hair follicles, and sweat glands.
D) only one type of tissue.
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Question 5) Tendons and ligaments are composed primarily of
A) reticular connective tissue. B) muscle tissue.
C) dense irregular tissue. D) dense regular connective tissue.
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Question 6) An enzyme is
A) the genetic material.
B) a protein that promotes metabolic reactions by slowing reactions that are too fast.
C) a molecule, usually a protein, that speeds the rate of a biochemical reaction by
lowering the activation energy.
D) usually a vitamin.
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Question 7) An organ consists of
A) two or more tissues grouped together that function together.
B) skin and bones.
C) at least four tissues grouped together that function together.
D) one variety of each of the four tissue types.
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Question 8) Areolar tissue contains
A) chondrocytes and lacunae.
B) collagenous fibers, elastic fibers, and gel-like ground substance.
C) many adipocytes filled with fat.
D) osteocytes, osteoblasts, and canaliculi.
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Question 9) A water solution that contains equal numbers of hydrogen ions and hydroxide ions is
A) basic. B) alkaline. C) neutral. D) acidic.
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Question 10) The enzyme catalase acts on the substrate
A) hydrogen. B) oxygen.
C) peroxidase. D) hydrogen peroxide.
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