1|Page
BIO 669 EXAM 3 AND STUDYGUIDE LATEST
2025/2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND 100%CORRECT ANSWERS WITH
RATIONALES(VERIFIED AND GRADED A+)
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
,2|Page
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
B. Tension pneumothorax
C. Pneumoconiosis
D. Ashthma - ANSWER-B. Tension pneumothorax
,3|Page
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
, 4|Page
What contractile cells that help regulate glomerular
filtration - ANSWER-Mesangial cells
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
BIO 669 EXAM 3 AND STUDYGUIDE LATEST
2025/2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND 100%CORRECT ANSWERS WITH
RATIONALES(VERIFIED AND GRADED A+)
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
,2|Page
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
B. Tension pneumothorax
C. Pneumoconiosis
D. Ashthma - ANSWER-B. Tension pneumothorax
,3|Page
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
, 4|Page
What contractile cells that help regulate glomerular
filtration - ANSWER-Mesangial cells
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
