Please answer 3 questions, a simple 1. A 2. B 3. C is fine thank you 1. Respirat

Question

Please answer 3 questions, a simple 1. A 2. B 3. C is fine thank you

1. Respiratory distress syndrome is associated with

a. premature births

b. difficulty inflating alveoli

c. lack of surfactant

d. all of the above

2. A large concentration of histamine floods the body during an acute allergy, this condition (aka anaphylaxis) can lead to death due to

a. hypotension as a result of massive vasodilation

b. inadequate gas exchange due to bronchioconstriction

c. insufficient delivery of oxygen to the tissues

d. all of the above

3. If congestive heart failure has progressed to the point of venous congestion in the systemic circuit the kidneys will receive less blood flow this would reulst in

a. increased aldosterone secretion

b. increased EPO secretion

c. decreased urine formation

d. all of the above

Explanation / Answer

1. Respiratory distress syndrome is associated with:

(c) lack of surfactant

The main cause of respiratory distress syndrome is a lack of surfactant in the lungs. A fetus lungs start making surfactant during the third trimester of pregnancy. The substance coats the inside of the air sacs in the lungs.

2. A large concentration of histamine floods the body during an acute allergy this condition can lead to death due to:

(c) insufficient delivery of oxygen to the tissues.

3. If congestive heart failure has progressed to the point of venous congestion in the systemic circuit the kidneys will recieve less blood flow this would result in:

(c) decrease urine formation

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