Which of the following is directly related to respiratory production of carbon dioxide? -
ANSWERRegulation of pH
The upper respiratory tract extends from the nose through the __________. -
ANSWERlarynx
What are the most numerous cells in the lungs? - ANSWERDust cells
Each alveolus is surrounded by a web of blood capillaries supplied by the __________.
- ANSWERpulmonary artery
The heart indents into the __________ of the left lung. - ANSWERcardiac notch
The lungs have a total of five __________. - ANSWERlobes
Which of the following is not true about the anatomy of the urinary system? -
ANSWERThe kidneys are at equal heights within the pelvic cavity
The __________ is not an organ of the urinary system. - ANSWERliver
ORGANS ARE:
kidneys, ureter, bladder, urethra
Which of the following is not a function of the kidneys? - ANSWERThey release waste
into the bloodstream
, FUNCTIONS ARE:
→filter blood and excrete toxic metabolic wastes,
→regulate blood volume, pressure, and osmolarity, →regulate electrolytes, and acid-
base balance, →secrete erythropoietin
→help regulate calcium levels
→clear hormones from blood
→ detoxify free radicals
→ synthesize glucose from amino acids when starving
Which organ system excretes nitrogenous wastes? - ANSWERThe urinary system
Blood plasma is filtered in the __________. - ANSWERrenal corpuscle
The average person has approximately __________ nephrons per kidney. -
ANSWER1.2 million
Aldosterone acts on the __________. - ANSWERdistal convoluted tubule
Which of the following is a direct result of antidiuretic hormone? - ANSWERDecrease
urine volume
Normal urine from a healthy person should not contain __________. - ANSWERglucose
Micturition is another term for __________. - ANSWERelimination of urine
Identifying Internal Structures of the Kidney
Through which of these structures does urine travel? - ANSWERminor calyx, major
calyx, renal pelvis, ureter
Identifying Internal Structures of the Kidney
What is the name of the structure at C? - ANSWER
Identifying Internal Structures of the Kidney
What is the name of the structure at E? - ANSWER
Identifying Regions of the Nephron
Most water is reabsorbed from the filtrate by which region of the nephron? -
ANSWERProximal convoluted tubule
Identifying Regions of the Nephron
Which region of the nephron is permeable to water but not NaCl? -
ANSWERDescending limb of Henle
Identifying Regions of the Nephron
ADH targets which region of the renal tubule? - ANSWERCollecting ducts
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