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MARLA Lopez
2022-1-SCI220-18 Chapters 1-6
| Question | Answer |
|---|---|
| Negative-feedback control systems: | oppose a change |
| Of the 11 major body systems, which is the least involved in maintaining homeostasis? | Reproductive |
| Intrinsic control: | is sometimes called autoregulation. |
| Epidemiology is the study of the _____ of diseases in human populations. | occurrence, distribution, transmission |
| The normal reading or range of normal is called the: | set point. |
| Which of the following is not one of the major groups of organic substances in the human body? | Salts |
| 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 amino group in an amino acid is: | NH3+. |
| Peptide bonds join together molecules of: | amino acids. |
| DNA: | is a double-helix strand of nucleotides. |
| Diffusion requires: | a concentration gradient. |
| The correct order of the phases of mitosis is: | prophase, metaphase, anaphase, telophase. |
| Which of the following terms is synonymous with tumor? | Neoplasm |
| Which is true about the sodium and potassium pump? | Three sodium ions are taken out of the cell |
| The pairing of bases of a strand of DNA is obligatory. If a strand of DNA were composed of the base sequence of ATCG, what would be the obligatory sequence of its opposing base pairs? | TAGC |
| Which tissue is most likely to form a keloid scar as it heals? | Connective |
| Which is not a function of epithelial tissue? | Assimilation |
| Which of the following is not a function of adipose tissue? | Defends the body from microbes and injurious substances |
| The hypodermis: | connects the dermis to underlying tissues. |
| Which of the following is not a characteristic of connective tissue? | Typically holds its cells together tightly by means of desmosomes |
| Small cells that synthesize and secrete a specialized organic matrix are | osteoblasts. |
| The humerus articulates proximally with the clavicle. | False |
| The following are functions of bone except for | support, protection, mineral storage, hematopoiesis All of the above are Correct! |
| Because of how the clavicle articulates with the scapula, all shoulder movements involve the sternoclavicular joint. | true |
| The primary ossification center of a long bone is located: | in the diaphysis |
| Muscle contractions will continue as long as | the calcium ions are attached to the troponin. |
| Most body movements are _____ contractions. | isotonic |
| Which of the following is an incorrect statement regarding heat production? | The body temperature set point is established by the hypothalamus, Shivering will increase body temperature, Body temperature functions on a negative-feedback mechanism All above are correct! |
| A gliding joint is an example of a(n) _____ joint. | multiaxial |
| Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? | Isometric |
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