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Joy Cruz
Physiology Wks 1-7
| Question | Answer |
|---|---|
| The gland responsible for the waxy secretion in the external ear canal is | Ceruminous |
| Which skin layer has cells that look prickly because of the desmosomes that join the cells together? | Stratum spinosum |
| Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin? | Keratinocytes |
| The nail body forms at the nail root, which has a matrix of proliferating cells from the ____ that enables the nail to grow continuously. | Stratum basale |
| Which of the following is NOT CONSIDERED a long bone | C5 Vertebral Body |
| Which of the following provide flexibility and smooth surfaces for movement | Cartilages |
| Which of the following bones form the framework of the hand | metacarpals |
| Which of the following is a bone in the axial skeleton? | vertebra |
| The main shaft-like portion of a long bone is the | diaphysis |
| Cartilage is classified as _____ tissue. | connective |
| Anteriorly, each rib of the first seven pairs attaches to the | sternum |
| The dense, white fibrous membrane that covers bone except at joint surfaces is the | periosteum |
| The cell organelles that synthesize organic matrix substances in bone formation are: | endoplasmic reticulum and Golgi apparatus |
| Until bone growth in length is complete, a layer of the cartilage, known as the _____,remains between the epiphysis and diaphysis. | epiphyseal plate |
| In bone growth, the medullary cavity is enlarged because of the activity of: | osteoclasts |
| Anaerobic respiration results in the formation of an incompletely catabolized moleculecalled | lactate |
| Muscle tone is maintained by | negative feedback mechanisms |
| Three phases of the twitch contraction are the | latent period, contraction phase, and relaxation phase. |
| Whether an impulse is continued through the neuron depends on the magnitude ofthe voltage in the axon hillock | True |
| The mechanisms that produce and maintain the resting membrane potential do so byproducing a | slight excess of positive ions on the outer surface of the plasma membrane |
| A neurologist is using a voltmeter to measure potential. The membrane potential of aneuron was recorded at +30 mV. This is what type of membrane potential? 1 | action |
| What lipid acts as a "tissue hormone"? | Prostaglandin |
| The roles played by proteins can be divided into which categories | structural and functional |
| The amino group in an amino acid is: | NH3+ |
| What is the most important factor in determining the physical and chemical properties of fatty acids? | Degree of saturation |
| What is true about the sodium and potassium pump? | Three sodium ions are taken out of the cell. |
| Which of the following is not true of RNA? | It contains deoxyribose sugar |
| All of the following are examples of passive transport except: | endocytosis |
| Diffusion requires | a concentration gradient |
| Transcription can be best described as the | synthesis of mRNA |
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JoyCruz
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