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Liana Movsesyan
Human Physiology Week 1-6
| Question | Answer |
|---|---|
| Week 1) Positive feedback control systems: | Accelerate a change |
| The term that literally means self-immunity is ? | Autoimmunity |
| Of the pathogenic organisms, which of the following is most complex? a) Viruses b) Tapeworms c) Bacteria d) Protozoa | Tapeworms |
| Homeostasis can be best described as | A state of relative constancy. |
| The body's thermostat is located in the: | Hypothalamus |
| Week 2) The basic building blocks of fat are | Fatty acids and glycerol. |
| DNA: | Is a double-helix strand of nucleotides. |
| Which energy-releasing or energy-transferring molecule does not contain a nucleotide? | Creatine phosphate |
| Which lipid is part of vitamin D? | Steroids |
| Amino acids frequently become joined by: | Peptide bonds. |
| Week 3) An individual’s entire set of DNA can be referred to as a: | Genome |
| Water will move through the cell membrane by: | Osmosis |
| Transcription can be best described as the: | Synthesis of mRNA. |
| Phagocytosis is an example of: | Endocytosis |
| The small water channels in the cell membrane are called: | Aquaporins |
| Week 4) Which type of tissue has the greatest capacity to regenerate? | Epithelial |
| Which cells help destroy pathogens and damaged tissue in the brain? | Microglia |
| The papillary layer of the dermis: | Produces the ridges that make fingerprints |
| Which tissue is most likely to form a keloid scar as it heals? | Connective |
| Hematopoietic tissue can be found in the: | Bones |
| Week 5) Small cells that synthesize and secrete a specialized organic matrix are | Osteoblasts |
| A person with a fractured patella would expect discomfort in the: | Knee |
| Bones grow in diameter by the combined action of which two of the three bone cell types? | Osteoblasts and Osteoclasts |
| After the age of 50, the density of bone: | Decreases slowly because of a shift in the remodeling activity. |
| Appositional growth of cartilage occurs when chondrocytes begin to divide and secrete | Additional matrix |
| Week 6) During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? | Latent period |
| The type of movement that occurs when the head is dropped to the shoulder, then to the chest, to the other shoulder, and toward the back is: | Circumduction |
| Which structure functions to temporarily store calcium ions? | Sarcoplasmic reticulum |
| Which type of muscle is responsible for peristalsis? | Single-unit smooth |
| White fibers are also called _____ fibers. | Fast |
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