Which heart valve has two cusps? A) mitral B) aortic C) ...

[big1devin]

Which heart valve has two cusps?
 
  A) mitral
  B) aortic
  C) tricuspid
  D) pulmonary

Question 2

Which of the following types of medications is effective against a wide range of microorganisms?
 
  A) antidote
  B) broad spectrum
  C) placebo
  D) prophylaxis

[macybarnes]

Answer to Question 1

A
Explanation: The mitral valve has two cusps. The tricuspid has three cusps. The aortic and pulmonary valves are semilunar valves.

Answer to Question 2

B
Explanation: A broad spectrum is a drug that is effective against a wide range of microorganisms. An antidote neutralizes poisons. A placebo is an inactive, harmless substance used to satisfy a patient's desire for medication. Prophylaxis is used to prevent disease.