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When you drink coffee,which is more acidic than your bloodstream,the pH of your blood drops.

A) True
B) False

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Glands that secrete their products into ducts are classified as


A) serous glands.
B) mucous glands.
C) endocrine glands.
D) exocrine glands.
E) salivary glands.

F) B) and E)
G) A) and E)

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A person enters a heat chamber carrying a raw egg on a plate.As the temperature is gradually increased,the exposed egg is cooked while the subject continues to have a normal internal temperature by mouth thermometer.What mechanism is lacking in the egg but is present in the human subject that maintains homeostasis?


A) Lack of a circulatory system prevents the egg from distributing the heat.
B) The egg cannot "breathe away" hot air to "air condition" its body.
C) The surface-area-to-volume ratio prevents the smaller body from losing heat as fast.
D) Increased sweating causes evaporation that carries away heat.
E) The human subject contains more fluid volume to absorb heat.

F) B) and E)
G) All of the above

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To which system do the kidneys and bladder belong?


A) urinary
B) nervous
C) integumentary
D) endocrine
E) musculoskeletal

F) A) and B)
G) None of the above

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In which direction does a nerve impulse usually move?


A) cell body \rightarrow dendrite \rightarrow axon
B) dendrite \rightarrow axon \rightarrow cell body
C) dendrite \rightarrow cell body \rightarrow axon
D) axon \rightarrow cell body \rightarrow dendrite
E) axon \rightarrow dendrite \rightarrow cell body

F) C) and D)
G) A) and E)

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Which is NOT a correct description of cartilage?


A) Hyaline cartilage is white and translucent and found at the ends of long bones.
B) Hyaline cartilage contains only very fine collagen fibers.
C) Fibrocartilage contains strong collagen fibers.
D) Fibrocartilage forms the nose.
E) Elastic cartilage forms the flexible outer ear.

F) C) and E)
G) A) and B)

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What is the function of neuroglial cells?


A) support and nourish neurons
B) conduction of nerve impulses
C) production of new neurons
D) deposition of inorganic salts
E) produce the matrix

F) A) and E)
G) A) and B)

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What type of bone contains numerous bony plates separated by irregular spaces?


A) compact
B) spongy
C) marrow
D) elastic
E) fibrous

F) C) and D)
G) B) and D)

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Which of the following is NOT a basic type of tissue?


A) muscular
B) nervous
C) urinary
D) epithelial
E) connective

F) A) and B)
G) C) and E)

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Some anesthetics are also very effective in stopping the food from moving through the intestine.Therefore,after an operation,the surgeon will not permit a patient to eat until the digestive system is moving food again,and a patient has to suck on ice until there is some evidence the digestive tract is functioning.Without knowing more about the anesthetics,what is the likely mode of action of the anesthetic?


A) The anesthetic probably slows the cardiac muscle,which in turn slows all other organ systems.
B) The anesthetic probably affects nerves that slow all skeletal muscle actions.
C) The anesthetic probably affects nerves that slow all smooth muscle actions.
D) The anesthetic probably affects nerves that stop all homeostatic actions.
E) The anesthetic probably affects nerves that stop all muscle contraction.

F) None of the above
G) B) and D)

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What is the main reason for the presence of a pimple?


A) All of the answer choices are reasons for the presence of a pimple.
B) increased production of sebum
C) increased levels of hormones
D) the presence of Propionibacterium acnes
E) inflammatory response

F) A) and D)
G) C) and D)

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Which function is NOT correctly matched to its type of tissue?


A) Adipose tissue stores fat.
B) Reticular connective tissue produces blood cells.
C) Connective tissues bind organs together and provide support and protection.
D) Loose,fibrous connective tissue encloses internal organs,including muscles.
E) Dense connective tissue is muscle that contracts.

F) B) and E)
G) C) and E)

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Which organ is not part of the digestive system?


A) kidneys
B) mouth
C) esophagus
D) large intestine
E) pancreas

F) B) and C)
G) None of the above

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Which of the following tissues may be specialized to secrete mucous?


A) epithelial
B) connective
C) muscle
D) nervous
E) cartilage

F) C) and D)
G) All of the above

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Which of the following associations is NOT correct?


A) collagen-white fibers
B) elastin-yellow fibers
C) large matrix-epithelial tissue
D) muscle-contraction
E) nerve-impulse conduction

F) B) and E)
G) C) and D)

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Muscles are connected to bones by


A) nerve tissue.
B) epithelial tissue.
C) ligaments.
D) tendons.
E) a basement membrane.

F) C) and E)
G) C) and D)

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The urine in your bladder is unable to pass out of the bladder through its epithelial lining.Which type of junction exists between these cells?


A) tight junction
B) There is no special junction between these cells.
C) basement membrane
D) gap junction
E) adhesion junction

F) C) and D)
G) All of the above

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Which type of tissue will respond to stimuli and transmit impulses?


A) epithelial
B) connective
C) nervous
D) muscle
E) blood

F) None of the above
G) A) and E)

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Which molecule is responsible for the waterproofing of the skin?


A) mucus
B) keratin
C) hyaline cartilage
D) myosin
E) lanolin

F) All of the above
G) B) and D)

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If you wash your skin and hair many times a day,you will soon have dry skin that cracks and bleeds because you have removed the _____ secreted by ______ that is necessary to keep the skin supple.


A) salty sweat; sweat glands
B) pili; erectors
C) lymph; lymphatic ducts
D) sebum; sweat glands
E) sebum; oil glands

F) A) and E)
G) B) and E)

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