CCBC BIOL 109 A&P FINAL EXAM
STUDY GUIDE QUESTIONS AND
ANSWERS
in the reflex arc, a muscle or gland is considered to be the - ANSWER-effector
the endosteum - ANSWER-lines the medullary cavity
insulin is secreted by - ANSWER-beta cells
prolactin is a hormone involved in the initiation of milk production in the mammary
glands - ANSWER-true
saltory conduction refers to the conduction of impulses in - ANSWER-myelinated
fibers
insufficient ADH release causes - ANSWER-diabetes insipidus
somatic motor neurons - ANSWER-release acetylcholine
in the central nervous system, myelin is formed by - ANSWER-oligodendrocytes
the all-or-none response means - ANSWER-when a muscle contracts, it contracts
completely
when a nerve fiber is polorized, the concentration ofq - ANSWER-sodium ions is
higher on the outside of its membrane and potassium ions is higher on the inside
the autonomic nervous system innervates the skeletal muscles - ANSWER-false
the hormone which is released in large quantities just prior to childbirth is -
ANSWER-oxytocin
if the sodium-potassium pumps in the cell membrane fail to function - ANSWER-all of
the above
bundles of muscle fibers are covered by - ANSWER-perimysium
which of the following substances are absolutely necessary for muscle contraction -
ANSWER-ATP and calcium
the sarcomere is the area between two - ANSWER-z lines
the part of the nervous system that regulates smooth muscle is the - ANSWER-
autonomic nervous system
, depolarization of a membrane begins the - ANSWER-opening of the sodium
channels
the pigment in the muscle fibers that stores oxygen is - ANSWER-myoglobin
the part of the brain that function to coordinate voluntary muscle movements is the -
ANSWER-cerebellum
during muscle contraction, calcium ions combine with tropomyosin and this exposes
active sites for cross bridge formation - ANSWER-false
neurotransmitters are released at the - ANSWER-axon terminal
all of the following are hormones of the anterior pituitary gland except - ANSWER-
oxytocin
the best anatomical term to describe the back region of the body would be -
ANSWER-dorsal
connective tissue fibers that can be stretched considerably without breaking are -
ANSWER-elastic fibers
a cell in a hypotonic environment will cause the following condition - ANSWER-water
molecules will move out of the cell against a concentration gradient
substances that cannot be broken down into simpler substances by ordinary
chemical reactions are called - ANSWER-chemical elements
endocytosis is an example of - ANSWER-simple diffusion
perspiration is the substance produced by the - ANSWER-sudoriferous glands
the arector pili muscle attaches to the hairs root - ANSWER-true
tissue that functions in support and energy of body organs, stores energy and
provides immunity is - ANSWER-connective tissue
a chemical bond in which one pair of electrons is shared between atoms is -
ANSWER-single covalent bond
blood belongs to which major tissue type - ANSWER-connective tissue
which layer of the skin becomes keratinized - ANSWER-stratum corneum
hair and skin color depend on - ANSWER-melanin
DNA and RNA are composed of - ANSWER-huge polymers of nucleotides
the major function of the ribosome is to - ANSWER-coordinate protein synthesis
STUDY GUIDE QUESTIONS AND
ANSWERS
in the reflex arc, a muscle or gland is considered to be the - ANSWER-effector
the endosteum - ANSWER-lines the medullary cavity
insulin is secreted by - ANSWER-beta cells
prolactin is a hormone involved in the initiation of milk production in the mammary
glands - ANSWER-true
saltory conduction refers to the conduction of impulses in - ANSWER-myelinated
fibers
insufficient ADH release causes - ANSWER-diabetes insipidus
somatic motor neurons - ANSWER-release acetylcholine
in the central nervous system, myelin is formed by - ANSWER-oligodendrocytes
the all-or-none response means - ANSWER-when a muscle contracts, it contracts
completely
when a nerve fiber is polorized, the concentration ofq - ANSWER-sodium ions is
higher on the outside of its membrane and potassium ions is higher on the inside
the autonomic nervous system innervates the skeletal muscles - ANSWER-false
the hormone which is released in large quantities just prior to childbirth is -
ANSWER-oxytocin
if the sodium-potassium pumps in the cell membrane fail to function - ANSWER-all of
the above
bundles of muscle fibers are covered by - ANSWER-perimysium
which of the following substances are absolutely necessary for muscle contraction -
ANSWER-ATP and calcium
the sarcomere is the area between two - ANSWER-z lines
the part of the nervous system that regulates smooth muscle is the - ANSWER-
autonomic nervous system
, depolarization of a membrane begins the - ANSWER-opening of the sodium
channels
the pigment in the muscle fibers that stores oxygen is - ANSWER-myoglobin
the part of the brain that function to coordinate voluntary muscle movements is the -
ANSWER-cerebellum
during muscle contraction, calcium ions combine with tropomyosin and this exposes
active sites for cross bridge formation - ANSWER-false
neurotransmitters are released at the - ANSWER-axon terminal
all of the following are hormones of the anterior pituitary gland except - ANSWER-
oxytocin
the best anatomical term to describe the back region of the body would be -
ANSWER-dorsal
connective tissue fibers that can be stretched considerably without breaking are -
ANSWER-elastic fibers
a cell in a hypotonic environment will cause the following condition - ANSWER-water
molecules will move out of the cell against a concentration gradient
substances that cannot be broken down into simpler substances by ordinary
chemical reactions are called - ANSWER-chemical elements
endocytosis is an example of - ANSWER-simple diffusion
perspiration is the substance produced by the - ANSWER-sudoriferous glands
the arector pili muscle attaches to the hairs root - ANSWER-true
tissue that functions in support and energy of body organs, stores energy and
provides immunity is - ANSWER-connective tissue
a chemical bond in which one pair of electrons is shared between atoms is -
ANSWER-single covalent bond
blood belongs to which major tissue type - ANSWER-connective tissue
which layer of the skin becomes keratinized - ANSWER-stratum corneum
hair and skin color depend on - ANSWER-melanin
DNA and RNA are composed of - ANSWER-huge polymers of nucleotides
the major function of the ribosome is to - ANSWER-coordinate protein synthesis
