Biology Forums - Study Force

Estrogens and prolactin inhibit the secretion of milk.
 
  Indicate whether the statement is true or false

Question 2

Signs of a complete airway obstruction in a conscious person include all of the following EXCEPT:
 
  a. inability to breathe c. unresponsiveness b. cannot speak d. unable to cough

Question 3

Anticholinergics are used in treating asthma because they:
 
  a. Inhibit the production of secretions by blocking the effects of the parasympathetic nervous system
  b. Stimulate bronchodilation through beta2 effects
  c. Cause sympathetic activity by binding at cholinergic receptor sites
  d. Relax bronchial muscle due to an effect similar to the xanthine bronchodilators

Answer to q. 1

FALSE

Answer to q. 2

c

Answer to q. 3

a
Rationale: a. Correct.
b. Sympathomimetics stimulate bronchodilation by stimulating beta2 receptors.
c. Anticholinergics block the effects of acetylcholine inhibiting the bronchial secretions.
d. Not true.