Homework Answers
The answer is option E
The Merkel cells or the tactile epithelial cells are the sensory receptor cells in the epidermis that detect the touch stimulus.They are mechanoreceptors.They are found in more numbers in the highly sensitive regions of the body like the tip of the fingers and are commonly seen in the stratum basale layer of the epidermis.
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Select the cell found in the epidermis and the function is to act as sensory receptors:...
Functions of the Integument • Protection from the environment-the skin is the superficial surface of the...
Functions of the Integument • Protection from the environment-the skin is the superficial surface of the body _-secretions from sweat glands in the skin cool the body down Storage of lipids- Vitamin D synthesis-stimulates bone growth Provides sensory info-sensory receptors located in the skin Layers of the epidermis-Stratified squamous epithelia Stratum basale (germinativum)-attached to contains stem cells & melanocytes Stratum spinosum-, stem melanocytes cells develop into keratinocytes, Stratum granulosum-keratinization begins, adding membrane proteins, cells thin, - die Stratum lucidum-only in...
Keratinocytes are? A) The most abundant cell type in the epidermis B) Found throughout all epidermal...
Keratinocytes are? A) The most abundant cell type in the epidermis B) Found throughout all epidermal strata C) Sometimes alive and sometimes dead, depending on where they are found D) Able to synthesize the protein keratin E) All of the choices are correct
Melanin is found in which cells? Select one: a. Only melanocytes b. Both melanocytes and keratinocytes...
Melanin is found in which cells? Select one: a. Only melanocytes b. Both melanocytes and keratinocytes c. Only keratinocytes d. Both melanocytes and Langerhans cells
The phospholipid bilayer that separates the interior and the exterior of the cell. It is selectively permeable.
The phospholipid bilayer that separates the interior and the exterior of the cell. It is selectively permeable. Select one: a. Cell membrane b. Cytoplasm c. Cell wall d. Nucleus The plants that naturally existed in a region without human transport are called. Select one: a. Native species b. Invasive non-aggressive species c. Invasive aggressive speciesThere is always a link between the number of sensory receptors in a given area and the distance of discrimination in our tactile discrimination experiment. Select one: a. information is not sufficient to...
Where on the target cells are receptors for peptide hormones usually found and why? Select one:...
Where on the target cells are receptors for peptide hormones usually found and why? Select one: A. in the cytoplasm, because (most) peptides act via second messengers B. in the nucleus, because (most) peptides affect the metabolism of the target cells C. on the cell membrane, because peptides cannot penetrate the cell membrane D. on the cell surface, because that is where the G-proteins are located
22-25 and Essay 22. The epidermis a) is classified as pseudostratified columnar epithelium b) allows uncontrolled...
22-25 and Essay
22. The epidermis a) is classified as pseudostratified columnar epithelium b) allows uncontrolled water loss from the body c) might include keratinocytes, melanocytes, Merkel cells and Langerhans cells d) All the above (a, b and c) are correct 23. Cartilage a) does not contain blood vessels b) is highly negatively charged because of sugars and sulfate groups attached to sugars e) absorbs large amounts of water which acts as a "shock absorber when pressure is applied to...
Activate Quiz 4. When medications act on receptors they can do which of the following? (Select...
Activate Quiz 4. When medications act on receptors they can do which of the following? (Select all that apply.) a.Mimic the action of the body's own hormones. b.Change the enzymes made by the target cell. c. Make the receptors respond in new ways. d.Change the receptors' molecular structure. e.Block the action of the body's own compounds. Comments : - 79% 89 Qe Search in Presentation Share ACLAIL Box Styles Activate • 2. For a medication that was ordered at 0900,...
receptors for hydrophilic ligands are found where? on the plasma membrane or inside the cell?
receptors for hydrophilic ligands are found where? on the plasma membrane or inside the cell?
Match each type of immune system cell to its function or description. (Use each description once)....
Match each type of immune system cell to its function or description. (Use each description once). Helper T-cell Detects pathogens and releases chemokines as part of the inflammatory response Participates in activation of B-cells if it has receptors for the same antigens Has receptors that are specific to particular antigen structures and releases antibodies as part of the humoral response Releases histamine as part of the inflammatory response Secretes proteins that cause infected cells to undergo apoptosis White blood cell...
T-cell receptors are part of the Select one: O a. antibody subgroup O b. all of...
T-cell receptors are part of the Select one: O a. antibody subgroup O b. all of the choices are correct. O c. immunoglobulin superfamily O d. receptor tyrosine complex e. transcription factor family O
Functions of the Integument • Protection from the environment-the skin is the superficial surface of the body _-secretions from sweat glands in the skin cool the body down Storage of lipids- Vitamin D synthesis-stimulates bone growth Provides sensory info-sensory receptors located in the skin Layers of the epidermis-Stratified squamous epithelia Stratum basale (germinativum)-attached to contains stem cells & melanocytes Stratum spinosum-, stem melanocytes cells develop into keratinocytes, Stratum granulosum-keratinization begins, adding membrane proteins, cells thin, - die Stratum lucidum-only in...
22-25 and Essay
22. The epidermis a) is classified as pseudostratified columnar epithelium b) allows uncontrolled water loss from the body c) might include keratinocytes, melanocytes, Merkel cells and Langerhans cells d) All the above (a, b and c) are correct 23. Cartilage a) does not contain blood vessels b) is highly negatively charged because of sugars and sulfate groups attached to sugars e) absorbs large amounts of water which acts as a "shock absorber when pressure is applied to...
Activate Quiz 4. When medications act on receptors they can do which of the following? (Select all that apply.) a.Mimic the action of the body's own hormones. b.Change the enzymes made by the target cell. c. Make the receptors respond in new ways. d.Change the receptors' molecular structure. e.Block the action of the body's own compounds. Comments : - 79% 89 Qe Search in Presentation Share ACLAIL Box Styles Activate • 2. For a medication that was ordered at 0900,...
T-cell receptors are part of the Select one: O a. antibody subgroup O b. all of the choices are correct. O c. immunoglobulin superfamily O d. receptor tyrosine complex e. transcription factor family O
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