Biology

Necrosis refers to the death of cells or tissues within a living body due to injury or disease, distinguishing it from other terms like neutrophilia (increase in neutrophils), nephrosis (kidney disorder), and neoplasia (new abnormal growth).

Hypoglycemia is the medical term for low blood sugar, which occurs when glucose levels in the blood fall below normal. The other options refer to different medical conditions unrelated to blood sugar levels.

A post-mortem examination is medically termed an 'autopsy,' which involves examining a body after death to determine the cause of death or study disease effects.

Goitre is an enlargement of the thyroid gland, typically caused by iodine deficiency or other thyroid-related disorders, making the thyroid gland the correct association.

The average weight of an adult human brain is approximately 1200 to 1300 grams, which is consistent with scientific measurements. Other options are either too high or too low compared to typical adult brain weights.

In humans, fertilization typically occurs in the oviduct (also called the fallopian tube), where the sperm meets the egg after ovulation. The uterus is where the fertilized egg implants and develops, not where fertilization occurs.

Vitamin E deficiency primarily leads to a weakened immune system and neurological problems due to its antioxidant properties. Sterility is not a common direct effect of vitamin E deficiency.

An octopus has three hearts: two branchial hearts that pump blood through the gills, and one systemic heart that pumps blood to the rest of the body.

Penicillin is an antibiotic that specifically targets bacterial infections by interfering with bacterial cell wall synthesis. It is not effective against viral infections, and while pneumonia and sepsis can be caused by bacteria, penicillin targets the bacteria themselves rather than the conditions.

The umbilical cord typically contains three blood vessels: two arteries and one vein. This structure is essential for transporting oxygen and nutrients from the placenta to the fetus and removing waste products.