Respiration
Regulation of respiration
Cellular Respiration
Carb/Lipid/Protein Metabolism
Metabolic rate and Regulation
100
The actual forces needed in inspiration and expiration for movement of air are based on: a. Murphy's Law b. amount of surfactant c. amount of fluid between pleural membranes d. changes in air pressure (Boyle's Law) e. Perter's Principle
What is d. changes in air pressure (Boyle's Law)
100
Select the efferent respiratory impulses which are transmitted from the respiratory center: a. cord facillatory b. cortical c. midbrain d. respiratory
What is d. respiratory
100
Which of the following are molecules in the electron transport chain? a. FADH2 b. coenzyme Q c. cytochrome b d. cytochrome c e. all of these
What is e. All of these
100
Protein catabolism produces which substance as a final waste product? a. amino acid b. Urea c. NH4 d. NH2
What is b. Urea
100
20 food calories are equal to the amount of heat needed to raise the temperature of 1,000 g of water: a. 2 degrees C b. 20 degrees C c. 200 degrees C d. 2,000 degrees C
What is b. 20 degrees C
200
The ease with which the lungs and thoracic wall can be expanded during respiration is called: a. compliance (flexibility) b. convergence (adaptive evolution of similar organisms) c. complement d. compurgation (purification)
What is a. compliance (flexibility)
200
Which would have the least effect on pulmonary ventilation: a. O2 concentration b. pH c. exercise d. excess CO2
What is a. O2 concentration
200
What is the net amount of ATP produced from one glucose?
What is 38 (or 36)
200
In lipid catabolism fatty acids can be converted to: a. ketones b. acetyl CoA c. neither d. both
What is d. both (ketones and acetyl CoA)
200
The greatest caloric value in calories per gram of foodstuff would be found in: a. proteins b. carbohydrates c. lipids d. all are the same
What is c. lipids
300
The maximum volume of air that can be moved in and out of the lungs during a forced respiration is: a. inspiratory reserve volume b. vital capacity c. expiratory reserve volume' d. total lung capacity
What is b. vital capacity
300
If the O2 - Hemoglobin curve moves to the right, the ____oxygen will be released from the hemoglobin. a. more b. less c. same amount
What is a. more
300
Which is not a process in cell respiration (production of ATP from glucose)? a. Kreb's cycle (citric acid cycle) b. glycogenesis c. glycolysis d. electron transport chain
What is b.glycogensis
300
Negative nitrogen balance is characterized by a: a. net loss of fatty acids b. production of new proteins c. state of dynamic equilibrium d. characterized by being part of starvation and illness d. all of the above
What is d. characterized by being part of starvation and illness
300
In the process of converting chemical energy to cell activities, most of that energy is converted to: a. mechanical energy b. nervous energy c. potential energy d. heat
What is d. heat
400
Which of the following factors when increased, would decrease the rate of diffusion during respiration? a. molecular weight b. surface area c. cell membrane thickness d. both a and c e. both b and c
What is d. both a and c
400
If the breath is held, inside the lungs: a. the pO2 decreases b. the pCO2 decreases c. the pO2 increases d. the pCO2 increases e. both a and c
What is e. both a and d (pO2 decreases and CO2 increases)
400
The product of the process of glycolysis without oxygen, glucose is converted to: a. coenzyme a b. glycogen c. polysaccharides d. lactic acid e. pyruvic acid
What is d. lactic acid
400
In the conversion of glucose to glycogen, which is the only hormone involved? a. thyroxine (T4) b. growth hormone c. insulin d. epinephrine e. glucagon
What is c. insulin
500
What substance is necessary in the lungs to decrease the surface tension of the fluid lining the lungs: a. Thiamine b. acetylcholine c. surfactant d. all or the above
What is c. surfactant
500
Which of the following factors will cause the O2-hemoglobin curve to move left? a. low CO2 b. high CO2 c. high pH d. a and c e. b and c
What is d. a and c ( low CO2 and high pH)
500
Which is not a product of the electron transport chain? a. ATP b. e- c. CO2 d. H+
What is c. CO2
500
Which of the following is most likely to occur in the post-absorptive state in an adipose , muscle, or tissue cell? a. glucose converted to glycogen b. protein converted to amino acids c. fatty acids + glycerol converted to lipids
What is b. protein converted to amino acids
500
Folic acid is involved in the production of which substance: a. rhodopsin b. purines and pyrimidines c. hemoglobin d. prothrombin e. non of the above
What is b. purines and pyrimidines
M
e
n
u