ISSA Nutrition exam

Approximately what percentage of a cell's mass is comprised of water? - Answer- 80 A thin polar membrane made of pairs of lipid molecules, is known as a(n) - Answer- lipid bilayer Epithelial cells can be classified as squamous, cuboidal, or - Answer- cubodial Tendons and ligaments are made of - Answer- dense regular connective tissue The three types of muscle found in the human body are: cardiac muscle, skeletal muscle, and - Answer- smooth muscle How many organ systems are in the human body? - Answer- 11 Which organ system works closely with the nervous system to produce, release, and regulate hormones? - Answer- endocrine system Which of the following is a pulpy, acidic fluid passing from the stomach to the small intestine, consisting of gastric juices and partially digested food? - Answer- chyme Specialized cells on the pancreas, which secrete insulin, glucagon, and somatostatin are referred to as the - Answer- islets of Langerhans. The small intestine is divided into three sections, in the following order: - Answer- duodenum, jejunum, ileum The process of converting ingested nutrients into energy within the body is known as - Answer- metabolism calorie is the amount of energy needed to raise the temperature of 1 gram of water by - Answer- 1° Celsius at a pressure of 1 atmosphere. What is the caloric (kcal) yield of nutritional fat? - Answer- 9 kcal Which method of measuring energy expenditure measures oxygen consumed, and carbon dioxide produced? - Answer- Indirect calorimetry Which of the following is widely used to predict an individual's resting metabolic rate (RMR)? - Answer- Bland-Altman analysis Which of the following is a principle stating energy cannot be created or destroyed, but only changed from one form to another? - Answer- Law of Conservation of Energy