NEET BIOLOGY

HUMAN PHYSIOLOGY

DIGESTION AND ABSORPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are true of anorexia?I. heart muscle can be broken down in serious casesII. food is not eaten because it is not availableIII. the body’s daily energy requirements are not sustained
A
I and II only
B
I and III only
C
II and III only
D
I, II and III
Explanation: 

Detailed explanation-1: -Frequently skipping meals or refusing to eat. Denial of hunger or making excuses for not eating. Eating only a few certain “safe” foods, usually those low in fat and calories. Adopting rigid meal or eating rituals, such as spitting food out after chewing.

Detailed explanation-2: -There are over 2, 600 additional deaths per year from anorexia nervosa in the US. 50-80% of the risk for anorexia is genetic. 33-50% of anorexia patients have a comorbid mood disorder, such as depression. Mood disorders are more common in the binge/purge subtype than in the restrictive subtype.

Detailed explanation-3: -Emotional and mental signs of anorexia Having an intense fear of gaining weight. Being unable to realistically assess your body weight and shape (having a distorted self-image). Having an obsessive interest in food, calories and dieting. Feeling overweight or “fat, ” even if you’re underweight.

Detailed explanation-4: -The heart specifically becomes smaller and weaker, making it more difficult to circulate blood at a healthy rate. Other affects of anorexia on the heart include: Abnormally slow heart rate (bradycardia) when weak heart muscles cannot pump at a healthy rate. Low blood pressure as a result of slow heart rate.

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