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Physiology
Stack 1-7
| Question | Answer |
|---|---|
| A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. | False |
| RNA and DNA have the same pyrimidine bases but different purine bases. | RNA and DNA have the same pyrimidine bases but different purine bases. |
| Which term means “water loving” and applies to the phospholipid head? | hydrophilic |
| The amino group in an amino acid is: | NH3+. |
| Which of the following is not true of both triglycerides and phospholipids? | They both contain a hydrophobic and hydrophilic end. |
| A _____ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons. | free radical |
| Prostaglandins and steroids share which of the following characteristics? | Both have a ring structure in their molecule. |
| RNA makes proteins by | translation. |
| Which is true about the sodium and potassium pump? | Three sodium ions are taken out of the cell. |
| Which of the following terms is synonymous with tumor? | Neoplasm |
| NaCl would move through the cell membrane in which direction? | Both into and out of the cell |
| Which cells electrically insulate axons to increase the speed of conduction? | Oligodendrocytes, Schwann cells |
| Areolar tissue usually contains which types of cells in the greatest number? | Fibroblasts |
| Why is cartilage slow to heal? | because it is semi-solid and flexible, because it does not have a blood supply |
| Bones grow in diameter due to bone formation ________ | In the endosteum or periosteum |
| Which of the following is not a characteristic of the epiphyses? | All of the above are characteristics of the epiphyses. |
| The cell organelles that synthesize organic matrix substances in bone formation are: | endoplasmic reticulum and Golgi apparatus. |
| The cells responsible for active erosion of bone minerals are called: | osteoclasts. |
| The joint present during the growth years between the epiphyses of a long bone and its diaphysis is the | synchrondrosis |
| Synarthrotic joints are | immovable |
| A contraction in which muscle length remains the same but muscle tension increases is called an | isometric contraction. |
| The shoulder joint is an example of a _____ joint. | multiaxial, freely movable, ball and socket |
| Most body movements are _____ contractions. | isotonic |
| 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 of the following is not a part of the neuromuscular junction? | T-tubules |
| The type of movement possible at a synovial joint depends on the | shape of the articulating surfaces of the bones |
| Aerobic respiration: | produces the maximum amount of energy available from each glucose molecule |
| Which type of muscle is responsible for peristalsis? | Single-unit smooth |
| The ability of muscle cells to respond to nerve stimuli is called: | irritability. |
| The tiny bulge at the end of a terminal branch of a presynaptic neuron’s axon is called a(n) | synaptic knob. |
| A term commonly used as a synonym for action potential is | stimulus. |
| Which membrane receptor acts to directly change ion permeability when stimulated? | Gated-channel receptor |
Created by:
Mitchel320
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