| Question | Answer |
| Negative-feedback mechanisms: | minimize changes in blood glucose levels.
maintain homeostasis.
are responsible for an increased rate of sweating when air temperature is higher than body temperature |
| Epidemiology is the study of the _____ of diseases in human populations. | occurrence
distribution
transmission |
| A saturated fatty acid is one in which | all available bonds of its hydrocarbon chain are filled. |
| A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. | False |
| RNA and DNA have the same pyrimidine bases but different purine bases. | False. |
| Osmosis can be defined | the net movement of water molecules from a region of lower solute concentration to a region of higher solute concentration. |
| The hair follicle is found in the: | dermis |
| In which skin layer does the process of keratinization begin? | stratum granulosum |
| The gland responsible for the waxy secretion in the external ear canal is: | ceruminous |
| Which of the following is not a characteristic of epithelial tissue? | Is important in communication and control |
| The shoulder joint is an example of a _____ joint. | multiaxial
freely movable
ball and socket |
| The four kinds of protein that make up myofilaments are myosin, actin, | tropomyosin, and troponin. |
| The strength of a muscle contraction is influenced by the: | amount of load.
initial length of muscle fibers.
recruitment of motor units. |
| Which of the following is not a part of the neuromuscular junction? | T-tubules
Motor neuron
Motor end plate |
