Microorganisms that infect the middle ear cavity most frequently come from the pharynx.
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What is pharynx?</h3>
- A hollow tube called the pharynx extends from the back of the nose down the neck and finishes at the top of the trachea and esophagus.
- The nasopharynx, oropharynx, and hypopharynx are the three components of the pharynx.
- The pharynx, sometimes known as the throat, is a component of the digestive and respiratory systems.
- It transports food, liquid, and air from the mouth and nose downward.
- Common infections like tonsillitis and a sore throat can spread to the pharynx.
- The throat is a muscular tube that resembles a ring and serves as the conduit for liquids, food, and air.
- It connects the mouth and nose to the breathing passages and the esophagus and is situated behind the nose and mouth.
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Answer:
The entry of food into the stomach.
Explanation:
Gastric secretion is triggered by the act of eating which is called as reflex phase and the entry of food into the stomach called a gastric phase. The entry of the food particles into the small intestine also helps to control the secretion of gastric called an intestinal phase.
The secreted fluid in the small intestine contains some ions, acids, etc such as pepsinogen, intrinsic factor, bicarbonate, hydrochloric acid, and mucus. The reflex phase or cephalic phase helps to stimulate parasympathetic neurons that release acetylcholine chemical, then it produces the higher secretion of gastric juice.
Answer:
The options
A. Additional cables
B. Slip rings
C. Multiple rows of detectors
D. Electron beam CT.
The CORRECT ANSWER IS B.
B. Slip rings
Explanation:
During the 1990s, the use of slip ring technology promoted consecutive rotation of the x-ray tube (via removal of cables) and concurrent couch locomotion.
The Sixth-generation CT scanning is referred to as helical (or spiral) CT—allowing procurement of volume multislice scanning.
Today's helical multislice scanners, makes use of thousands of detectors (around 60+ rows), can derive continuous data procurement of 128 "slices" per tube rotation and can undergo 3D multiplanar reformation (MPR).
Fifth-generation CT employs electron beam; as the ultra high-speed CT is employed majorly for cardiac imaging.
Answer:
ok and what about them ??????????
Answer:
Any combination of D, E and F
Explanation:
Since A, B, and C belong to different orders, and D, E and F belong to the same order, the latter are more closely related and thus are expected to show a greater degree of structural homology. They are closer to their common ancestor than A, B and C.
