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BIO 669 EXAM 3 AND STUDYGUIDE NEWEST
2025 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW!!
Edema of the alveolar membrane is a problem because:
- Indicates cancerous changes
- Restricts perfusion of the alveolus
- It interferes with normal gas exchange
- It decreases air resistance in that area - CORRECT
ANSWER-C. It interferes with normal gas exchange
The pores of Kohn play a role in: - CORRECT ANSWER -
Allowing air to pass from one alveoli to another, allowing equal distribution of air.
Which of the following does NOT increase airway resistance (increase the work of breathing)?
- Bronchoconstriction
- Activation of the sympathetic nervous system effects on the
airways 1 / 3
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- Edema of the bronchial mucosa
- Mucus collecting on the bronchial mucosa - CORRECT
ANSWER-B. Activation of the sympathetic nervous system effects on the airways
Which of the following s/s best fits a person presenting w/
chronic hypoxia as a result of pumonary fibrosis:
- Cheyne-Stokes breathing
- Hypoventilation
- Hypocapnia
- Clubbing of the fingers - CORRECT ANSWER -D. Clubbing
of the fingers
Which of the following does not have cartilage as part of its structure? - CORRECT ANSWER -Respiratory bronchioles
Empyema results from? - CORRECT ANSWER -An infected pleural effusion
Your patient presents with acute onset worsening of chest pain, dyspnea, mediastinal shift on X-ray and tachypnea. Diagnosis?
- Tuberculosis 2 / 3
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- Tension pneumothorax
- Pneumoconiosis
- Ashthma - CORRECT ANSWER -B. Tension pneumothorax
A pulmonary embolus creating alveolar dead space will likely have which of the following effects? - CORRECT ANSWER - High V/Q ratio
Severe bronchospasm not responsive to normal measures (beta agonist bronchodilators) is best described as? - CORRECT ANSWER-Status asthmatics
Principle cells of collecting duct - CORRECT ANSWER -Found in distal tubule. Reabsorb Na & secrete K
intercalated cells - CORRECT ANSWER -Located in distal tubule. Secrete H2, reabsorb K and bicarb
Mesangial cells - CORRECT ANSWER -Located in Renal
corpuscle: Contractile cells that help regulate glomerular
filtration
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