This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is most often caused by Group A beta-hemolytic streptococcus? a. Otitis media ... (Read 100 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
Which of the following is most often caused by Group A beta-hemolytic streptococcus?
 a. Otitis media
  b. Tonsillitis
  c. Chickenpox
  d. Asthma
  e. Frequent colds

Question 2

The skin, nails, brain, lining of the oral cavity, and the enamel of the teeth are formed from which layer?
 a. Ectoderm
  b. Endoderm
  c. Mesoderm
  d. Both a and b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

b

Answer to Question 2

a
RATIONALE: The skin, nails, brain, lining of the oral cavity, and the enamel of the teeth are formed from the ectoderm layer in the embryo phase of development.




Yolanda

  • Member
  • Posts: 757
Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)


juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

For a complete list of videos, visit our video library