Answer:
The answer is B: It is a tube lined with a mucous membrane.
Explanation:
The pharynx is a smooth tube approximately 12 cm long, which begins at the level of the neck and ends at the epiglottis, is related to both breathing and oral use; it is lined with a mucous menbrana; emits intelligible sounds, being the biggest resonator.
The best nursing action is to allow the mother to hold the child and direct the cool mist directly towards the child's face without using a tent.
<h3>What is laryngotracheobronchitis?</h3>
Laryngotracheobronchitis is a condition in which there is inflammation in the airways.
<h3>Is a cool-mist tent an appropriate treatment?</h3>
Cool mist is recommended as part of laryngotracheobronchitis treatment; however, it is not a must the patient is in the tent.
<h3>What is the best nursing action?</h3>
Considering a tent is not mandatory if the child is scared of being in the tent it is possible just to have the child with the mother and to direct the cool mist towards the child's face.
Moreover, if the child continues crying this might worsen his/her condition because it can increase inflammation and breathing difficulty.
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Explanation:
distribution and functional relationships
Explanation:
Color blindness is a common hereditary (inherited) condition which means it is usually passed down from your parents. Red/green colour blindness is passed from mother to son on the 23rd chromosome, which is known as the sex chromosome because it also determines sex.
Answer: B. Sarcoplasmic reticulum
Explanation: The sarcoplasmic reticulum is the name given to the organelle in the muscle cell, in charge of the storage and regulation of the intracellular calcium levels. It is the smooth endoplasmic reticulum in muscle cells, it means that it does not have ribosomes in its surface.
Option A. Incorrect. A SARCOMERE is the functional and anatomic unit of the striated muscle (skeletal muscle and heart muscle). This word comes from the greek: <em>sarkos (meat), meros (part). </em>That is reason you could find other structures of the muscle cell with this root (SARCO...).
Option C. Incorrect. "Arcolemma" this word does not exist. But if it refers to SARCOLEMMA, this word means: <em>sarko (meat), lema (cortex) </em>in greek<em>. </em>It is the plasma membrane of the muscle cells.
Option D. Incorrect. The SARCOPLASM, comes from the greek: <em>sarko (meat), plasm (matter). </em>This structure is the citoplasm of the muscle cells.
In conclusion, the word SARCOPLASMIC RETICULUM, refers to a <em>structure of the muscle cell, </em>that in this case, is the RETICULUM or the SMOOTH ER.
