MCQ IN MEDICINE

Detailed explanation-1: -Eupnea is normal breathing. Sighing is an involuntary inspiration that is 1.5 to 2 times greater than normal tidal volume. Sighing breathing is observed in subjects suffering from anxiety with no observed organic pathology. Dyspnea is the subjective sensation of difficulty breathing.

Detailed explanation-2: -Eupnea is a state of normal breathing. An increased respiratory rate is termed tachypnea and a lower-than-normal respiratory rate is termed bradypnea.

Detailed explanation-3: -Eupnea is normal quiet breathing that requires contraction of the diaphragm and external intercostal muscles. Diaphragmatic breathing requires contraction of the diaphragm and is also called deep breathing. Costal breathing requires contraction of the intercostal muscles and is also called shallow breathing.

Detailed explanation-4: -A normal breathing rate, also called eupnea, depends on the age of the patient. Normal rates for adults are typically between 12 and 20 respirations per minute. Rates among adolescents can also range from 12 to 20 breaths, depending on age and size, and among newborns, the range is from 30 to 50.