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Cherri Blaska
Missed questions on Quizzes 1-6
| Question | Answer |
|---|---|
| Positive-feedback control systems | ACCELERATE A CHANGE |
| If the secretion of oxytocin during childbirth operated as a negative-feedback loop, what effect would it have on uterine contractions | Oxytocin would inhibit uterine contractions |
| Homeostasis can be described as | a state of relative constancy |
| Shivering to try to raise your body temperature back to normal would be an example of: | the body trying to maintain homeostasis; a negative feedback mechanism |
| The contraction of the uterus during birth of a baby is an example of ____ feedback | positive |
| Intrinsic control | i sometimes called autoregulation |
| Negative feedback control systems | oppose a change |
| If the secretion of oxytocin during childbirth operated as a negative feedback contol loop, what effect would it have on uterine contractions | Oxytocin would inhibit uterine contractions |
| Epidemiology is the study of the ______ of diseases in human populations | occurence;distribution;transmission |
| Which terms means "water loving" and applies to the phospholipid head? | hydrophilic |
| Which of these is not a lipid? | polysaccharide |
| A very large molecule composed of subunits of sugar, a nitrogen base, and a phoshpate bond is a | nucleic acid |
| Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be included in the diet are called: | essential amino acids |
| RNA makes proteins by | translation |
| Which of the following is not a characteristic of meisosis | two haploid gametes |
| Facilitated diffusion is not an active transport process because it | does not depend on cell energy |
| During which stage of mitosis do the centriolws move to the opposite poles of the cell | Prophase |
| All of the following occur as a result of meiosis except: | chromosome number remains at 46 |
| The correct order of the phases of mitosis is: | prophase, metaphase, anaphase, telophase. |
| NaCl would move through the cell membrane in which direction? | Both into and out of the cell |
| WHich of the following is not true of diffusion? | uses cellular energy |
| Materials can be moved from a low concentration to a high concentration through: | active transport |
| Which of the following is not a characteristic of connectiv tissue? | Typically holds its cells together tightly by means of desmosomes |
| Which tissue is most likely to form a kelpoid scar as it heals? | Connective |
| Which of the following is not a proteoglycan found in the matrix of connective tissue? | collagen |
| Which of the following vitamins are absorbed through the skin? | Vitamin A,D, and K |
| 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 untis are | recruited |
| The ability of muscle cells to respond to nerve stimuli is called: | irritability |
| Which of the following statments about cardiac muscle is incorrect? | Cardiac muscle requires nervous stimulation to contract |
| Tilting the foot upward, decreasing the angle between the top of the foot and the front of the leg, is called: | dorsiflexion |
| Muscle contractions will continue as long as: | the calcium ions are attached to the troponin |
| Most body movements are _____ contractions. | isotonic |
| A condyloid joint is an example of a ______ joint. | biaxial |
| Which of the following is not a part of the neuromuscular junction? | T-tubules |
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cmblaska
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