Which of the following lists contains the correct order of fluid flow through the urinary system?
A.DCT, loop of Henle, calyces, collecting duct, renal pelvis
B.PCT, loop of Henle, DCT, collecting duct, calyces, renal pelvis, ureters
C.PCT, loop of Henle, collecting duct, renal pelvis, calyces, ureter
D.DCT, PCT, calyces, ureter, renal pelvis
ACT, SAT, GRE, DDT.
The functional units of the kidneys are called
A.calyces.
B.glomeruli.
C.corpuscles.
D.nephrons.
During forced exhalation, _______.
A.the internal intercostals contract
B.the diaphragm contracts
C.the external intercostals contract
D.the diaphragm, the internal intercostals and the external intercostals contract
Which of the following processes does not occur during inspiration?
A.gas pressure inside the lungs is lowered
B.inspiratory muscles relax
C.diaphragm moves to a flattened position
D.size of the thoracic cavity increases
During an acute asthma attack, the obstruction is caused by _______.
A.destruction of the walls of the alveoli
B.a spasm of the diaphragm
C.bronchiole smooth muscle spasms
D.loss of elastic recoil
When the radius of the airway was decreased in the simulation, _______.
A.tidal volume increased
B.expiratory reserve volume decreased
C.residual volume decreased
D.vital capacity increased
Which of the following is(are) obstructive conditions?
A.emphysema
B.exercise
C.an acute asthma attack
D.emphysema and an acute asthma attack
E.emphysema, an acute asthma attack and exercise
How much air is is typically inspired and expired per breath during quiet breathing?
A.250 mL
B.1000 mL
C.2000 mL
D.500 mL
Why is normal exhalation passive?
A.Respiratory muscles are relaxing and elastic tissue in the lungs recoils.
B.The diaphragm is involuntarily controlled.
C.Respiratory muscles are relaxing.
D.Elastic tissue in the lungs recoils.
Briefly explain the difference between ventilation and respiration.
Briefly describe the sequence of events of expiration.
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