biomedical science - questions Flashcards
the sinuses consist of cavities in certain cranial bones.
the bones of the paranasal sinuses are
frontal
maxillary
sphenoid
ethmoid bones
the vagus nerve (CN X) carries innervation for
speeding up the HR and increasing the force of contraction
which point is near the ulnar nerve, median nerve, and brachial plexus?
HT 1
which point is near the median nerve?
PC 3
the tip of the 12th rib is level with
L2
denervation of the deltoid muscle would most seriously affect
abduction of the arm at the shoulder joint
the soleus muscle
plantarflexes the foot
the sciatic nerve contains two independent nerves, and serves to innervate the
muscles of the posterior thigh
what carries blood and is high in CO2 and low in O2?
pumonary artery
which organ is located inferior to the diaphragm?
liver
what is the correct order of the sections in the small intestine?
duodenum, jejunum, ileum
which organ is located in the upper left quadrant, adjacent to the stomach?
spleen
most of the nerve innervation of the cavum and cymba concha of the ear are derived from
several cranial nerves
lesser auricular nerve
which organ is located relative to T12 to L3?
kidneys
carrier molecules within the cell membrane are required in order to perform
facilitated diffusion
the greatest percentage of blood volume is found in
venules and veins
which form of sugar is absorbed from the small intestine via facilitated diffusion?
fructose
the adrenal cortex secretes
cortisol, aldosterone, corticosterone
insulin is produced to perform effects such as
increased utilization of glucose
decreased proteolysis
decreased gluconeogenesis
decreased ketogenesis
scoliosis is
one or more lateral curves in the spine
which muscle gives the stability to the shoulder joint?
rotator cuff
the position of facets in the thoracic spine allow for greatest range of motion in
lumbar rotation
which disease is a demyelination within the CNS?
multiple sclerosis
contraception pills contain
estrogen and progesterone
incessant snoring and periods of silence, insomnia, morning headaches, and excessive daytime sleepiness describes which condition?
sleep apnea
normal “lub-dub” heart sounds are created by
closure of the heart valves
which organ is located to the left of the midsagittal plane, just inferior to the diaphragm?
stomach
does the diaphragm contract or expand during quiet inspiration?
contracts
which hormones are secreted/released by the pituitary gland?
oxytocin
ACTH
growth hormone
which “tube” runs from the urinary bladder to the external surface of the body?
urethra
surging levels of LH and FSH are important during
ovulation
the flexors of the wrist and the flexor digitorum superficialis all originate from
the medial epicondyle of the humerus
the extensors of the wrist, as well as most extensors of the 2nd to 5th fingers all originate from
the lateral epicondyle of the humerus
most of the nutrients are absorbed in which part of the organs in digestion?
small intestine
if a person has trouble chewing his food, which cranial nerve is involved?
CN V (trigeminal)
which nerve is responsible for taste receptors for the anterior 2/3 of the tongue?
CN VII (facial)
protein digestion occurs in which organ(s)?
stomach, small intestine
the level of estrogen in the blood peak during which day of the menstrual cycle?
day 12
the group of muscles that flex the lumbar vertebra and hip, and can be palpated in the lower abdomen is
PSOAS
which CN is the major sensory nerve of the face?
CN V (trigeminal)
which organ stores glucose in the form of glycogen?
liver
which structure thickens each month, becomes engorged with blood in preparation for receiving fertilized ovum?
endometrium
which ganglion transmit sensory messages?
dorsal root ganglion
the muscle that controls the passage of food and water from the stomach to the small intestine is
pyloric sphincter
what are the 4 accessory organs of digestion?
liver
gall bladder
pancreas
salivary glands
