1. Which of the following embryonic germ layers gives formation to the respiratory system?

a. Endoderm

b. Mesoderm

c. Ectoderm

d. Periderm

ANS: A

The respiratory system—pharynx, lungs, and epithelial lining of the trachea and

lungs—originates in the endoderm. Refer to Box 2-1 in the textbook to see the list of various

tissue systems found in the three embryonic layers.

2. What is the function of Wharton’s jelly inside the umbilical cord?

a. To help provide nutrition to the fetu...
Cardiac Final Assignment: Mrs. Singh’s 12 Lead ECG : Mrs. Singh is a 64 year old female admitted to the ICU from ED post cardiac arrest. Mrs. Singh was defibrillated X2 for ventricular fibrillation and she subsequently converted to sinus rhythm. However
Cardiac Final Assignment: Mrs. Singh’s 12 Lead ECG : Mrs. Singh is a 64 year old female admitted to the ICU from ED post cardiac arrest. Mrs. Singh was defibrillated X2 for ventricular fibrillation and she subsequently converted to sinus rhythm. However
Cardiac Final Assignment: Mrs. Singh’s 12 Lead ECG : Mrs. Singh is a 64 year old female admitted to the ICU from ED post cardiac arrest. Mrs. Singh was defibrillated X2 for ventricular fibrillation and she subsequently converted to sinus rhythm. However