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BIO 669 EXAM 3 AND STUDYGUIDE LATEST 2025/ 2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS)||VERIFIED EXAM WITH
RATIONALES!!|| |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||LATEST UPDATE!!!||
Which of the following s/s best fits a person presenting w/ chronic
hypoxia as a result of pumonary fibrosis:
A. Cheyne-Stokes breathing
B. Hypoventilation
C. Hypocapnia
D. Clubbing of the fingers - ANSWER-D. Clubbing of the fingers
Which of the following does not have cartilage as part of its
structure? - ANSWER-Respiratory bronchioles
Empyema results from? - ANSWER-An infected pleural effusion
Your patient presents with acute onset worsening of chest pain,
dyspnea, mediastinal shift on X-ray and tachypnea. Diagnosis?
A. Tuberculosis
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B. Tension pneumothorax
C. Pneumoconiosis
D. Ashthma - ANSWER-B. Tension pneumothorax
A pulmonary embolus creating alveolar dead space will likely
have which of the following effects? - ANSWER-High V/Q ratio
Severe bronchospasm not responsive to normal measures (beta
agonist bronchodilators) is best described as? - ANSWER-Status
asthmatics
Principle cells of collecting duct - ANSWER-Reabsorb Na &
secrete K
intercalated cells - ANSWER-Secrete H2, reabsorb K and bicarb
What contractile cells that help regulate glomerular filtration -
ANSWER-Mesangial cells
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What is the only blood supply for the medulla - ANSWER-Vasa
Recta
The area where the blood is filtered and proteins are generally
separated from the plasma is the: - ANSWER-glomerulus
Because sweat if essentially a sodium solution with an osmolarity
less than that of plasma, severe sweating leads to a reduction in
plasma volume and an increase in plasma osmolarity. How do
these affect the secretion of ADH? - ANSWER-Both the decrease
in plasma volume and the increase in plasma osmolarity
stimulates ADH secretion.
modified smooth muscle cells that secrete renin are the: -
ANSWER-Juxtaglomerular cells
The nephrons that are best able to concentrate urine. - ANSWER-
juxtamedullary nephrons
BIO 669 EXAM 3 AND STUDYGUIDE LATEST 2025/ 2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS)||VERIFIED EXAM WITH
RATIONALES!!|| |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||LATEST UPDATE!!!||
Which of the following s/s best fits a person presenting w/ chronic
hypoxia as a result of pumonary fibrosis:
A. Cheyne-Stokes breathing
B. Hypoventilation
C. Hypocapnia
D. Clubbing of the fingers - ANSWER-D. Clubbing of the fingers
Which of the following does not have cartilage as part of its
structure? - ANSWER-Respiratory bronchioles
Empyema results from? - ANSWER-An infected pleural effusion
Your patient presents with acute onset worsening of chest pain,
dyspnea, mediastinal shift on X-ray and tachypnea. Diagnosis?
A. Tuberculosis
,2|Page
B. Tension pneumothorax
C. Pneumoconiosis
D. Ashthma - ANSWER-B. Tension pneumothorax
A pulmonary embolus creating alveolar dead space will likely
have which of the following effects? - ANSWER-High V/Q ratio
Severe bronchospasm not responsive to normal measures (beta
agonist bronchodilators) is best described as? - ANSWER-Status
asthmatics
Principle cells of collecting duct - ANSWER-Reabsorb Na &
secrete K
intercalated cells - ANSWER-Secrete H2, reabsorb K and bicarb
What contractile cells that help regulate glomerular filtration -
ANSWER-Mesangial cells
, 3|Page
What is the only blood supply for the medulla - ANSWER-Vasa
Recta
The area where the blood is filtered and proteins are generally
separated from the plasma is the: - ANSWER-glomerulus
Because sweat if essentially a sodium solution with an osmolarity
less than that of plasma, severe sweating leads to a reduction in
plasma volume and an increase in plasma osmolarity. How do
these affect the secretion of ADH? - ANSWER-Both the decrease
in plasma volume and the increase in plasma osmolarity
stimulates ADH secretion.
modified smooth muscle cells that secrete renin are the: -
ANSWER-Juxtaglomerular cells
The nephrons that are best able to concentrate urine. - ANSWER-
juxtamedullary nephrons
