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Week 1-6
Flashcards for Physiology Weeks 1-6
| Question | Answer |
|---|---|
| Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called: | viruses |
| Positive-feedback control systems: | accelerate a change |
| Pathogenesis can be defined as | the course of disease development |
| Negative-feedback control systems: | oppose a change |
| Intrinsic control: | is sometimes called autoregulation |
| The body's thermostat is located in the | hypothalamus |
| The element that is present in all proteins but not in carbohydrates is | nitrogen |
| Peptide bonds join together molecules of | amino acids |
| A ______ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons | free radical |
| The basic building blocks of fat are | fatty acids and glycerol |
| Diffusion requires | a concentration gradient |
| Twenty-three chromosomes per cell in humans is referred to as | haploid |
| Phagocytosis is an example of | endocytosis |
| When the chromosomes align themselves across the equator of the spindle fibers, it is characteristic of which phase of mitosis | metaphase |
| A sequence of three bases forms a | codon |
| The correct order of the phases of mitosis is | prophase, metaphase, anaphase, telophase |
| In bone formation, the cells that produce the organic matrix are the: | osteoblasts |
| The humerus articulates proximally with the | scapula |
| Bones act as a reservoir for which of the following minerals | calcium, phosphorus |
| The primary ossification center of a long bone is located | in the diaphysis |
| An example of a hinge join is | interphalangeal joints |
| Cross-bridge are also called | myosin heads |
| A condyloid joint is an example of a _____ joint | biaxial |
| Aerobic respiration | produces the maximum amount of energy available from each glucose molecule |
| Which joint allows for the widest range of movement | Ball and socket |
| Within the nervous system, coding for the strength of a stimulus is accomplished through | an increase in the number of opening sodium channels |
| Severe depression can be caused by a deficit in certain brain synapses of | amines |
| Serotonin is an example of | amine neurotransmitter |
| The neurotransmitter that inhibits the conduction of pain impulses are | enkephalins |
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