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SCI221HP-Priscilla
SCI221HP-Set1
| Question | Answer |
|---|---|
| Of the 11 major body systems, which is the least involved in maintaining homeostasis? | Reproductive |
| The contraction of the uterus during the birth of a baby is an example of _____ feedback. | positive |
| Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called: | viruses. |
| The term glycoprotein, a combination of two words, tells you that the compound is made of _____, with _____ being the dominant component. | carbohydrate and protein; protein |
| The alpha helix is an example of which level of protein structure? | secondary |
| A _____ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons. | free radical |
| During which stage of mitosis do the centrioles move to the opposite poles of the cell? | Prophase |
| A saline solution that contains a higher concentration of salt than a red blood cell would be: | hypertonic. |
| Materials can be moved from a low concentration to a high concentration through: | active transport |
| 4. Which of the following is not a characteristic of connective tissue? | Typically holds its cells together tightly by means of desmosomes |
| 4. A tissue is: | a group of similar cells that perform a common function. |
| 4. Which of the following is not a function of adipose tissue? | Defends the body from microbes and injurious substances |
| 4. The papillary layer of the dermis: | produces the ridges that make fingerprints. |
| 4. Which of the following is not a characteristic of epithelial tissue? | Is important in communication and control |
| 5. As the activity of osteoblasts increases, the: | amount of calcium in bone increases & level of calcium in the blood decreases. |
| 5. A condition that is caused by an abnormally increased roundness in the thoracic curvature is | kyphosis. |
| 5. Appositional growth of cartilage occurs when chondrocytes begin to divide and secrete | additional matrix. |
| 5. If there is an injury to the occipital bone you may expect that which sense is damaged? | vision |
| 5. Before childbirth, the symphysis pubis softens. | True. |
| 6. The lactate produced by anaerobic respiration is converted back to glucose in the: | liver |
| 6. A contraction in which the tension within the muscle remains the same but the length changes is called a(n) _____ contraction. | isotonic |
| 6. Three phases of the twitch contraction are the | latent period, contraction phase, and relaxation phase. |
| 6. Which muscle group extends the vertebral column and also flexes the back laterally and rotates it a little? | erector spinae |
| 6. During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? | Latent period |
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priscillan0799
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