Carbohydrate digestion begins in the____________ whereas protein digestion begins in the ___________.
liver; small intestine
mouth; stomach
small intestine; stomach
mouth; small intestine
The Correct Answer is B
A. Liver; small intestine: Carbohydrate and protein digestion do not begin in the liver or the small intestine. The liver is involved in metabolism but not in the initial digestion of carbohydrates or proteins.
B. Mouth; stomach: Carbohydrate digestion begins in the mouth with salivary amylase, while protein digestion begins in the stomach with pepsin.
C. Small intestine; stomach: Carbohydrate digestion begins in the mouth and not the small intestine. Protein digestion starts in the stomach, not the small intestine.
D. Mouth; small intestine: Carbohydrate digestion begins in the mouth, but protein digestion begins in the stomach, not the small intestine.
Free Nursing Test Bank
- Free Pharmacology Quiz 1
- Free Medical-Surgical Quiz 2
- Free Fundamentals Quiz 3
- Free Maternal-Newborn Quiz 4
- Free Anatomy and Physiology Quiz 5
- Free Obstetrics and Pediatrics Quiz 6
- Free Fluid and Electrolytes Quiz 7
- Free Community Health Quiz 8
- Free Promoting Health across the Lifespan Quiz 9
- Free Multidimensional Care Quiz 10
View Related questions
Correct Answer is B
Explanation
A. Their filtration rate: Both types of nephrons have similar filtration rates; the difference lies primarily in their structure and location.
B. Their location within the renal cortex: Cortical nephrons are located primarily in the renal cortex, while juxtamedullary nephrons are located closer to the medulla and have long loops of Henle that extend deep into the medulla.
C. The size of their renal corpuscle: The renal corpuscle size does not differ significantly between cortical and juxtamedullary nephrons.
D. Whether they drain into a collecting duct or directly into the renal pelvis: All nephrons drain into a collecting duct; none drain directly into the renal pelvis.
Correct Answer is D
Explanation
A. Minerals are absorbed directly into the bloodstream, not through lacteals.
B. Glucose is absorbed directly into the bloodstream through capillaries, not through lacteals.
C. Amino acids are absorbed into the bloodstream through capillaries, not through lacteals.
D. Triglycerides are absorbed by the lacteals in the small intestine. Lacteals are lymphatic vessels that transport absorbed lipids (including triglycerides) from the digestive tract.