complete solutions
2nd-order neurons of ascending pathways that contribute to sensory perception
terminate in the - ANSWER-Thalamus
A chemical reaction in which bonds are broken is usually associated with - ANSWER-
release energy
A doctor ask her patient to follow the motion of her finger as he moves up and down, left
and right , while watching the patient to observe is he / she balance. Which of the
following cranial nerves is not being tested - ANSWER-Vestibulocochlear nerve
A gene can best be defined as ________. - ANSWER-a segment of DNA that carries
the instructions for one polypeptide chain
A motor unit is made up of - ANSWER-A motor neuron and skeletal muscle fibers
A muscle that opposes, or reverses, a particular movement is a(n) ________. -
ANSWER-antagonist
A patient has an injury if the spine and is now suffering from a loss of motor function in
his right arm. However he still has normal sensory function in the arm. Based in this
information it is likely that patient has nervous tissue damage located at ____. -
ANSWER-The ventral roof located at one or more of the cervical vertebrae
A patient has lost vision on the left side of both eyes. The patient has likely suffered
damage to - ANSWER-right optic tract
A patient is suffering from the inability to distinguish various types of odors. This patient
may have damage to which of the following? - ANSWER-olfactory nerve (I)
A person picks up a heavy suitcase in order to estimate its weight and reflexively drops
it. Which of the following receptors has initiated this reflex? - ANSWER-tendon organ
A splinter penetrated into the skin of the sole of the foot, almost to the papillary region of
the dermis. Which layer of the epidermis would be the final layer injured? - ANSWER-
basale
A structure that is composed of two or more tissues would be a(n) ________. -
ANSWER-Organ
A tissue with matrix composed almost entirely of collagen fibers, that can be oriented all
in one direction or many different directions and are able to withstand strong pulling
, forces in the direction of fiber orientation are best described as which tissue ? -
ANSWER-Dense regular or irregular connective tissue
A type of connective tissue with collagen fibers, proteoglycans and chondrocytes is -
ANSWER-cartilage
After axonal injury, regeneration in peripheral nerves is guided by ________. -
ANSWER-Schwann cells
An emergency medical technician is examining a trauma victim by shining a pen light
into her patient's eye. She records the reactivity of the patents pupils as they constrict
when stimulated by the light. This test supports which of the following? - ANSWER-The
patient has function of the oculomotor nerve (III).
An individual is accidentally transacted the spinal cord between between t1 and l1. This
would results - ANSWER-Paraplegia
An individual who could trace a picture of a bicycle with his or her finger but could not
recognize it as a bicycle is most likely to have sustained damage to the ________. -
ANSWER-visual association area
An overlap of actin and myosin filaments occurs in the : - ANSWER-A band
Apocrine glands, which begin to function at puberty under hormonal influence, seem to
play little role in thermoregulation. Where would we find these glands in the human
body? - ANSWER-in the axillary and anogenital area
Are invagination if the sarcolemma that facilitate the conduct of action potentials in
muscle fiber - ANSWER-T tublules
Arteries, veins, and lymphatics keep clots from sticking as long as their ________ is
intact and healthy. - ANSWER-endothelium
Articulate cartilage found at the ends of the long bones serves to - ANSWER-provide a
smooth surface at the ends of synovial joints
Bacteria in the blood can be prevented entry to the fluids surrounding the brain. Which
cells are most responsible for preventing bacteria from entering the fluids of the brain? -
ANSWER-astrocytes
brain stem consists of - ANSWER-midbrain, pons, medulla oblongata
Calcium is vital to bone health most important because it - ANSWER-Is a component of
the calcium phosphate salts of hydroxyapatite