Consider statements about human respiration: 1. Hemoglobin has a higher affinity for CO2 than O2. 2. Carbonic anhydrase is present in RBCs. 3. Most CO2 is transported as bicarbonate. Which are correct? MCQ with Answer and Explanation

Explanation:
Apiology is the specific branch of zoology dedicated to the scientific study of bees, including their biology, ecology, and behavior. Malacology studies mollusks, myrmecology focuses on ants, and entomology is the broader study of all insects. Exam tip: Remember 'Api' relates to Apis, the genus of honeybees.

Explanation:
Cataract is clouding of the crystalline lens, causing blurred vision and eventual blindness if untreated. It is often age-related or due to UV exposure. Myopia is nearsightedness, glaucoma optic nerve damage, astigmatism irregular curvature. Cataract is treated by surgical removal and lens replacement.

Explanation:
Somatostatin, also known as growth hormone-inhibiting hormone (GHIH), is a peptide hormone produced by the delta cells of the pancreatic islets, the hypothalamus, and various cells in the gastrointestinal tract. It acts as a powerful, universal inhibitor. It inhibits the release of growth hormone (GH) and thyroid-stimulating hormone (TSH) from the anterior pituitary. In the pancreas, it inhibits the secretion of both insulin and glucagon. In the gut, it inhibits the release of gastrin, secretin, and other GI hormones, slowing down digestion and absorption.