1) which law states that the total pressure of a gas mixture is equal to the sum of the
partial pressures of its individual gases?
a. boyle’s
b. valsalva’s
c. dalton’s
d. charles’s
e. henry’s
2) which of the following does not stimulate aldosterone secretion?
a. hypotension
b. hyponatremia
c. hyperkalemia
d. high blood sodium concentration
e. high blood potassium concentration
3) which of the followingis not part of the cardiac conduction system?
a. sinoatrial (sa) node
b. tendinous cords
c. atrioventricular (av) node
d. atrioventricular (av) bundle (bundle of his)
e. purkinje fibers
4) unilateral contraction of which muscle causes ipsilateral flexion of the lumbar
vertebral column?
a. multifidus
b. latissimus dorsi
c. external intercostals
d. serratus anterior
e. quadratus lumborum
5) which organ system does not excrete waste?
a. the urinary system
b. the cardiovascular system
c. the integumentary system
d. the digestive system
e. the respiratory system
6) which muscle(s) of respiration is(are) innervated by the phrenic nerve?
a. diaphragm
b. external intercostals
c. internal intercostals
d. innermost intercostals
e. pectoralis major
7) while both systems maintain homeostasis, how does the nervous system differ from
the endocrine system?
a. the nervous system releases neurotransmitters between cells, while the endocrine
system releases hormones into the blood.
b. the nervous system releases neurotransmitters into the blood, while the endocrine
system releases hormones between cells.
c. the nervous system releases hormones between cells, while the endocrine system
releases neurotransmitters into the blood.
d. the nervous system releases hormones into the blood, while the endocrine system
releases neurotransmitters between cells.
8) what is the purpose of the triad?
a. the triad stores sodium.
b. the triad synthesizes atp.
c. the triad maintains the resting membrane potential.
d. the triad removes acetylcholine from the synaptic cleft.
e. the triad allows for ca2+ release when a muscle fiber is excited.
9) in which of the following skin layers would a subcutaneous injection be
administered?
a. stratum basale
b. stratum spinosum
c. stratum corneum
d. dermis
e. hypodermis
10) the three most abundant classes of nutrients are __________.
a. carbohydrates, proteins, and minerals
b. fats, proteins, and carbohydrates
c. proteins, nucleic acids, and carbohydrates
d. triglycerides, starches, and proteins
e. proteins, fats, and minerals
11) a nurse pricks your finger to type your blood. you flinch at the pain, pulling your
hand back. this is called the __________ reflex.
a. painful
b. stretch
c. flexor (withdrawal)
d. tendon
e. crossed extension
12) which of these is the best imaging technique for routinely examining the anatomical
development of a fetus?
a. auscultation
b. pet scan
c. mri
d. sonography
e. radiography
13) the nose is divided into right and left halves called the __________.
a. nasal cavities
b. nasal fossae
c. nasal septa
d. nasal vestibules
e. nasal apertures
14) all of the following are human organ systems except ___________.
a. skeletal
b. endocrine
c. epidermal
d. reproductive
e. lymphatic
15) what do pheromones stimulate?
a. hair cells
b. supporting cells
c. taste cells
d. olfactory cells
e. olfactory glands
16) the __________ secretes several hormones that stimulate the development of
lymphatic organs and regulates development and activity of t cells (white blood cells).
a. thyroid
b. thymus
c. adrenal gland
d. spleen
e. parathyroid
17) atp__________ endergonic and exergonic reactions.
a.opposes
b.decomposes
c.reduces
d.links
e.dehydrates
18) the solar plexus is used as a name for the __________.
a. spinal nerve route
b. carotid plexus
c. the celiac and mesenteric ganglia
d. splanchic nerves
e. sympathetic nerve route
19) conduction of a nerve impulse would be the fastest in which of the following?
a. a large diameter myelinated fiber
b. a small diameter myelinated fiber
c. a large unmyelinated fiber
d. a small unmyelinated fiber
e. a small fiber with multiple schwann cells
20) although the transmission electron microscope (tem) can magnify much more than a
light microscope, even at identical magnifications the tem has the advantage of
__________.
a. being able to produce photographs of the specimen
b. being able to work in a vacuum
c. being able to show individual molecules
d. producing higher resolution
e. working better with thinner tissue specimens