Which are characteristic of type A blood?
a: Has anti-A antibodies
b: Has anti-B antibodies
c: Has surface antigen A on its erythrocytes
d: Has surface antigen B on its erythrocytes
e: Has neither surface antigen A nor B on its erythrocytes
f: Will agglutinate with blood type B
A. b, c, d, f
B. a, c, d, f
C. a, d, f
D. b, c, f
E. a, c, f
D
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Salivary amylase is an enzyme produced by the salivary glands that breaks down carbohydrates. What will happen to this enzyme as it follows the food into the stomach where the pH drops to 2.5?
A) The enzyme will assume an alternate form and catalyze additional reactions. B) The enzyme will denature and become inactive. C) The enzyme will continue to function as it remains unchanged in chemical reactions. D) The enzyme will denature but retain its function.
Newborn respiratory distress syndrome is caused by an excess of pulmonary surfactant
Indicate whether the statement is true or false
Which bones house teeth?
A) zygomatic bone and palatine bone B) temporal bone and palatine bone C) mandible and maxillary bones D) vomer bone and ethmoid bone
Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein?
A. hemiazygos vein B. left azygos vein C. internal thoracic vein D. accessory hemiazygos vein