click below
click below
Normal Size Small Size show me how
doua lor
Week 7: Assignment - StudyStack Set 1
| Question | Answer |
|---|---|
| Of the 11 major body systems, which is the least involved in maintaining homeostasis? | Reproductive |
| Positive-feedback control systems: | accelerate a change. |
| Which of the following is not one of the major groups of organic substances in the human body? | Salts |
| Which of the following is not true of RNA? | All of the above are true of RNA. |
| Which is true about the sodium and potassium pump? | Three sodium ions are taken out of the cell. |
| If a sequence of nitrogen bases in nucleic acid were A-U-C-G-A, which of the following would be true about the nucleic acid? | It contains ribose sugar. |
| Young children’s bones have a greater risk of fracturing because of incompletely ossified bone. | False |
| Blood calcium levels involve secretion of which two hormones? | parathyroid and calcitonin |
| Please select the bone positioned most superiorly on the human skeleton | frontal |
| The ion necessary for cross-bridging is: | calcium |
| An example of a hinge joint is(are) the: | interphalangeal joints. |
| During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? | Latent period |