Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
49 Cards in this Set
- Front
- Back
The nasal cavity is divided by the nasal septum into right and left_________?
|
fossae
|
|
The intrinsic laryngeal muscles regulate speech by rotating________?
|
the arytenoid cartilages
|
|
The largest air passages that engage in gas exchange with the blood are the _____________?
|
respiratory bronchioles
|
|
Respiratory arrest would most likely result from a tumor of the____?
|
medulla oblongata
|
|
Which of these values would normally be the highest?
tidal volume inspiratory reserve volume expiratory reserve volume vital capacity residual volume |
vital capacity
|
|
According to ______, the warming of air as it is inhaled helps to inflate the lungs.
|
Charles's Law
|
|
The duration of an inspiration is set by the _______.
|
pneumotaxic center
|
|
The superior opening into the larynx is guarded by a tissue flap called the_____
|
epiglottis
|
|
Within each lung, the airway forms a branching complex called the_____
|
Bronchial tree
|
|
The great alveolar cells secrete a phospholipid-protein mixture called
|
pulmonary surfactant
|
|
Intrapulmonary pressure must be ______than the atmospheric pressure for inspiration to occur
|
lower
|
|
_____ disorders reduce the flow of air through the airway
|
obstructive
|
|
Some inhaled air does not participate in gas exchange because it fills the ______of the respiratory tract
|
anatomic dead space
|
|
Inspiration is caused by the firing of I neurons in the ______ of the medulla oblongata
|
inspiratory center
|
|
The lungs contain (More/Less) respiratory bronchioles than terminal bronchioles?
|
more
|
|
Obstruction of the _______ results in a reduced FEV
|
bronchial tree
|
|
The phrenic nerve fire during (expiration/inspiration) and exert a braking action on the diaphragm
|
both inspiration and expiration
|
|
When volume increases, pressure ____
|
decreases
|
|
In an average 500 mL tidal volume, how much reaches the alveoli?
|
350 mL
|
|
Micturition occurs when the_____ contracts?
|
detrusor muscle
|
|
the compact ball of capillaries in a nephron is called the ______
|
glomerulus
|
|
what is the most abundant nitrogenous waste in the blood?
|
urea
|
|
which of these lies closet to the renal cortex?
the renal pelvis the parietal peritoneum the renal fascia the renal capsule the adipose capsule |
renal capsule
|
|
Most sodium is reabsorbed from the glomerular filtrate by
|
the proximal convoluted tubule
|
|
a glomerulus and glomerular capsule make up one
|
renal corpuscle
|
|
the kidney has more
-arcuate arteries -collecting ducts -afferent arterioles -medullary pyramids -minor calyces |
afferent arterioles
|
|
the renal clearance of amino acids is normally_____
|
zero
|
|
beavers have relatively little need to conserve w ater and could therefore be expected to have shorter _______ than humans
|
nephron loops
|
|
increased ADH secretion should cause the urine to have a higher _____
|
specific gravity
|
|
the _______ is an automatic reflex activated by pressure in the urinary bladder
|
micturition reflex
|
|
_______________ is the ability of a nephron to adjust its GFR independently of external nervous or homornal influences
|
renal autoregulation
|
|
the two ureters and the urethra form the boundaries of a smooth area called the _____ on the floor of the urinary bladder
|
trigone
|
|
the __________ is a group of epithelial cells of the distal convoluted tubule that monitors the flow or composition of the tubular fluid
|
macula densa
|
|
to enter the capsular space, filtrate must pass between p edicels of the ________ cells that form the visceral layer of the glomerular capsule
|
podocytes
|
|
glycosuria occurs if the rate of glomerular filtration of glucose exceeds the _______________ of the proximal convoluted tubule
|
transport maximum
|
|
ADH is a hormone that regulates the amount of water....
|
reabsorbed by the collecting duct
|
|
the ____________ is under involuntary control and relaxes during the micturition reflex.
|
internal urethral sphincter
|
|
very little protein is found in the __________ because it is negatively charged and is repelled by the basement membrane of the glomerulus
|
glomeruluar filtrate
|
|
blood flows through the _________ just before entering the interlobular arteries
|
arcuate arteries
|
|
the kidney has (more/less) distal convoluted tubules than collecting ducts
|
more
|
|
If all other conditions remain the same, constriction of the afferent arteriole reduces the __________
|
glomeruluar filtration rate
|
|
angiotensin II reduces
|
urine output
|
|
a sodium deficiency (hyponatremia) could cause
|
glycosuria
|
|
micturition depends on contraction of the __________
|
detrusor muscle
|
|
parathyroid hormone and angiotensin II regulate the
|
proximal convuluted tubule (PCT)
|
|
Urine contains (more/less) urea and chloride than sodium
|
more
|
|
a substantial amount of tubular fluid is reabsorbed by the _____ route, passing through leaky tight junctions.
|
paracellular
|
|
_________ does not occur in diabetes insipidus as it does in DM
|
glycosuria
|
|
urine can be as dilute as
|
50 mOsm/L
|