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Week 7 Phys
| Question | Answer |
|---|---|
| Of the 11 major body systems, which is the least involved in maintaining homeostasis? | Reproductive |
| The term that literally means self-immunity is: | autoimmunity. |
| Of the pathogenic organisms, which of the following are the most complex? | Tapeworms |
| Positive-feedback control systems: | accelerate a change. |
| Which of the following is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease? | Prion |
| The type of lipoprotein associated with “bad” cholesterol and the production of atherosclerotic changes in blood vessels is: | LDL |
| Sometimes referred to as animal starch, _____ is the main polysaccharide in the body. | glycogen |
| Which lipid is part of vitamin D? | Steroids |
| Which lipid acts as a “tissue hormone”? | Prostaglandin |
| Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be included in the diet, are called: | essential amino acids. |
| a double-helix strand of nucleotides. | DNA |
| The small water channels in the cell membrane are called: | aquaporins. |
| When the chromosomes align themselves across the equator of the spindle fibers, it is characteristic of which phase of mitosis? | Metaphase |
| Transcription can be best described as the: | synthesis of mRNA. |
| An individual’s entire set of DNA can be referred to as a: | genome. |
| Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | Astrocytes |
| a group of similar cells that perform a common function. | Tissue |
| Which type of connective tissue helps newborns maintain body temperature by producing heat? | Brown fat |
| Which of the following is not a proteoglycan found in the matrix of connective tissue? | Collagen |
| The cell organelles that synthesize organic matrix substances in bone formation are: | endoplasmic reticulum and Golgi apparatus. |
| During childbirth, a baby passes through an imaginary plane called the: | Pelvic outlet |
| In bone formation, the cells that produce the organic matrix are the: | osteoblasts. |
| Normally, bone loss will begin to exceed bone gain between the ages of _____ years. | 35 and 40 |
| produces the maximum amount of energy available from each glucose molecule. | Aerobic respiration |
| The opposite of dorsiflexion is: | plantar flexion. |
| Skeletal muscles are innervated by: | somatic motor neurons. |
| Thick myofilaments extend the length of the: | A-band. |
| Which type of joint joins the two pubic bones together? | Symphysis |
Created by:
hdinglasan