NEET MDS Shorts
50802
Dental Materials
The ?2 phase is the least corrosion-resistant phase in high-copper amalgams.
12582
General MedicineHeimlich manoeuver is carried out in airway obstruction
49807
RadiologyQuality of the x-ray beam is dependent on the temperature of the cathode filament.
97010
ProsthodonticsThe impression material which would record the tissues with minimum pressure (mucostatic in nature) is plaster of Paris.
41871
PeriodonticsGore Tex membrane is used during reattachment procedures to prevent the formation of long junctional epithelium.
28080
EndodonticsThe protrusion of anterior teeth can increase the risk of fractures due to their position and exposure to occlusal forces. Protruded teeth are more susceptible to trauma and stress during biting and chewing, which can lead to fractures. Additionally, protruded teeth may not have adequate support from adjacent teeth, further increasing their vulnerability to fracture.
76368
Oral PathologyPagets disease shows a characteristic mosaic pattern of bone on radiographs due to irregular bone remodeling with alternating areas of bone resorption and formation. This creates a "jigsaw puzzle" or mosaic appearance with cement lines separating areas of old and new bone. Fibrous dysplasia shows ground-glass appearance, osteopetrosis shows marble bone appearance, and osteogenesis imperfecta shows thin cortices.
12559
Physiology
The gastrin family includes gastrin, cholecystokinin, and gastric inhibitory polypeptide (GIP). Secretin belongs to the secretin family, which includes secretin, glucagon, and VIP. These two families are structurally similar but have distinct functions in the regulation of digestive processes.
74921
Periodontics
While options 2 and 3 can contribute to increased connective tissue, they
don't specifically target the enhancement of attached gingival width as
effectively as a laterally positioned pedicle graft.
76872
Oral Surgery
Severe acidosis, particularly metabolic acidosis, can occur following
prolonged cardiac arrest and subsequent CPR. The primary goal in managing such
cases is to restore normal pH levels in the body, which is crucial for proper
cellular function and overall physiological homeostasis. 1. Sodium bicarbonate Sodium bicarbonate is a strong base that reacts with
hydrogen ions (H+), which are responsible for acidity in the blood, to form
carbon dioxide (CO2) and water (H2O). This reaction helps to neutralize the
excess hydrogen ions, thereby raising the pH of the blood. It is administered
intravenously because it allows for rapid distribution throughout the body and
direct access to the circulatory system where it can counteract acidosis most
effectively. The intravenous route ensures that the medication reaches the
bloodstream quickly and in a controlled manner, making it the preferred method
for acute and severe cases.
2. Adrenaline (epinephrine)*: Although adrenaline is a crucial medication used
in CPR for its vasopressor and cardiac stimulant effects, it is not the primary
treatment for severe acidosis. Adrenaline is typically administered to improve
cardiac output and blood pressure during CPR.