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Sara Wright
Physiology weeks 1-6 set 1
Question | Answer |
---|---|
The four kinds of protein that make up myofilaments are myosin, actin, | tropomyosin, and troponin |
The more muscle fibers contracting at the same time, the stronger the contraction of the entire muscle. The number of muscle fibers contracting depends on how many motor units are | recruited |
The joint present during the growth years between the epiphyses of a long bone and its diaphysis is the | synchrondrosis |
Which of the following is not a characteristic of the diaphysis | Provides a bulbous shape for attachment of muscl |
Why is cartilage slow to heal | -it is semi-solid and flexible -it does not have a blood supply |
Bones grow in diameter due to bone formation | In the endosteum or periosteum |
Which tissue is most likely to form a keloid scar as it heals | Connective |
Which tissue is most likely to form a keloid scar as it heals | Connective |
Which of the following is not a characteristic of smooth muscles | Having intercalated disks |
The hair papilla consists of what tissue? | dermal |
Materials can be moved from a low concentration to a high concentration through | active transport |
Which of the following is not true of diffusion? | May occur both into and out of the cell |
A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. | False |
The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are: | steroids |
Because negative feedback control systems oppose changes that are opposite in direction to the initial disturbance, they are | stimulatory. |
Events that lead to an immune response to an infection or the formation of a blood clot are examples of | positive feedback. |
The impact of effector activity on sensors may be positive or negative. Therefore, homeostatic control mechanisms are categorized as | organs that are directly influenced by physiological variables or mechanisms |
Of the pathogenic organisms, which of the following are the most complex | Tapeworms |