A. It is secreted by Type II pneumocytes
B. It contains lecithin and sphingomyelin
C. It increases surface tension
D. It prevents collapse of smaller alveoli
Related Mcqs:
- Surfactant is secreted by_____________?
A. Pnemocyte I
B. Pnemocyte II
C. Goblet cells
D. Pulmonary vessels - A 50 year old female with end stage renal disease (ESRD) develops pulmonary tuberculosis. Which one of the following drugs should be used in a reduced dose ?
A. Rifampicin
B. Isoniazide
C. Pyrazamide
D. Ethambutol - What is common between systemic and pulmonary circulation is_____________?
A. Volume of the circulation per minute
B. Peripheral vascular resistance
C. Pulse Pressure
D. Total Capacity - The most common site of origin for venous thrombi leading to pulmonary embolism is_____________?
A. Ascending oaorta
B. Portal vein
C. Deep leg veins
D. Right atrium - Most common cause of pulmonary embolism ?
A. Thrombophebitis
B. Endarteritis
C. Atheroscleroses
D. Lymphangitis - Which of the following statements about Azoles is false ?
A. They are fungistatic
B. They are hepatotoxic
C. Resistance to the drug is common
D. They affect the metabolism of drugs such as cyclosporine necessitating an increasing in dosage - The following is false about tryptophan_____________?
A. Non-essential amino acid
B. Involved in serotonin synthesis
C. Involved in niacin synthesis
D. Involved in melatonin in synthesis - Which of the following is false about starvation ketoacidosis ?
A. Metabolic acidosis
B. Smell of acetone in breath
C. Benedict’s test +ve
D. Rothera’s test is +ve - Which of the following statement is false in relation to myofacial pain dysfunction syndrome ?
A. Maily affects young females
B. is caused by muscle fatigue due to chronic oral habits are grinding and clenching
C. Treatment involves construction of occlusal guard and stress free emotional condition
D. The perioral musculature becomes hypotonic - Which of the following statement is FALSE?
A. A salivary duct obstruction can cause a unilateral swelling in the floor of the mouth that is largest before a meal and smallest after a meal
B. The lesion termed a ranula is associated with the sublingual salivary gland
C. The sublingual salivary gland is the most common site of salivary gland neoplasia
D. A pleomorphic adenoma is the most common salivary gland neoplasm
