final test for physiology Exam Questions and Answers 100% Correct

Which of the following is not a function of the hypothalamus? - ANSWER-Regulation of motor activity The lymphatic system serves various functions in the body. The two most important functions of this system are - ANSWER-fluid balance and immunity. Water will move through the cell membrane by: - ANSWER-osmosis The olfactory tract carries impulses associated with: - ANSWER-smell During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? - ANSWER-latent period Which is true of a neuron with a resting potential? - ANSWER-The sodium pump has moved Na+ to the outside of the plasma membrane. An age-related skeletal disease that is characterized by loss of bone mineral density and increased bone fragility is - ANSWER-osteoporosis The element that is present in all proteins but not in carbohydrates is: - ANSWER-nitrogen The main factor determining male fertility is the: - ANSWER-number of sperm ejaculated. A synapse consists of: - ANSWER-all of the above. The vagus is said to act as a "brake" on the heart. This situation is called - ANSWER-vagal inhibition. Which of these is true about the metabolism of glucose? - ANSWER-Anaerobic metabolism produces lactic acid. What structure is formed by the union of the basal and reticular lamina? - ANSWER-Basement membrane Starling's law of the heart states that, within limits, the longer, or more stretched, the heart fibers are at the beginning of the contraction, the - ANSWER-stronger the contraction. A membrane carrier structure attracts a solute to a binding site, changes shape, and releases the solute on the other side of the cell membrane. This describes the process of: - ANSWER-carrier-mediated transport. Which of the following is true of total body water? - ANSWER-Overweight people have lower water content per kilogram of body weight than slender people. Which of the following is true of the essential organ in the reproductive system? - ANSWER-All of the above are true.