The cerebellum coordinates voluntary movements and maintains posture, balance, and equilibrium of the body.

Respiratory distress syndrome occurs due to insufficient surfactant, causing alveolar collapse and breathing difficulty in preterm infants.

Normal Hb level in females is 12–16 g/dL, essential for oxygen transport and overall metabolic function.

Hypocalcemia increases neuromuscular excitability leading to muscle cramps and tetany.

The internal carotid artery supplies oxygenated blood to the major parts of the brain.

Platelets release thromboplastin and help in coagulation to stop bleeding.

Nosocomial infections are those acquired in hospital settings, commonly caused by resistant pathogens.

The inner forearm is the preferred site for intradermal injections, commonly used for allergy or tuberculin testing.

The medulla oblongata regulates breathing rhythm and depth by controlling respiratory centers.

Tetracycline is effective against both gram-positive and gram-negative bacteria, making it a broad-spectrum antibiotic.

Normal serum sodium is 135–145 mEq/L; imbalance affects fluid balance and nerve conduction.

Hemoglobin in red blood cells transports oxygen from lungs to tissues and carbon dioxide back to lungs.

Hepatitis is inflammation of the liver caused by viral infection, toxins, or alcohol.

Skin and mucous membranes form the body’s first line of defense against pathogens.

Pepsin, secreted by gastric glands, breaks proteins into smaller peptides in an acidic environment.

Oxytocin, released from the posterior pituitary, causes contraction of mammary glands aiding milk ejection during breastfeeding.

Anopheles mosquito transmits malaria parasite (Plasmodium species), causing high fever and chills.

Iodine deficiency causes goitre, leading to thyroid gland enlargement and hormonal imbalance.

The proliferative phase involves fibroblast activity and collagen synthesis to strengthen the healing tissue after inflammation.

O negative blood group lacks A, B, and Rh antigens, making it suitable for all recipients.

Meningitis is inflammation of the meninges caused by bacteria or viruses, leading to headache, fever, and neck stiffness.

Vitamin B12 deficiency leads to pernicious anemia, characterized by megaloblastic red blood cells and neurological symptoms.

Vitamin K activates clotting factors II, VII, IX, and X, aiding coagulation to prevent bleeding.

Luteinizing hormone (LH) triggers ovulation and the release of a mature egg from the ovary.

Normal platelet count ranges from 1.5–4.5 lakh/mm³ and is essential for blood clotting.

Mycobacterium leprae causes leprosy, affecting the skin, peripheral nerves, and mucosa of the upper respiratory tract.

Vitamin E prevents sterility and protects cell membranes from oxidative damage.

Hypoglycemia causes weakness, sweating, tremors, and confusion due to decreased blood glucose levels below 70 mg/dL.

Normal pulse rate for healthy adults is 60–100 beats per minute, reflecting proper cardiac function.

The optic nerve (cranial nerve II) transmits visual information from retina to brain.

Adrenaline, secreted by adrenal medulla, increases heart rate and blood pressure during stress (“fight or flight” response).

The normal arterial blood pH ranges between 7.35 and 7.45, maintaining acid-base balance in the body.

The proximal convoluted tubule reabsorbs glucose, amino acids, and water from the filtrate back into the bloodstream.

S1 results from closure of the mitral and tricuspid valves at the beginning of ventricular systole.

The facial nerve (VII) controls muscles of facial expression and taste sensation from anterior tongue.

Beta-blockers like propranolol lower blood pressure by reducing heart rate and cardiac output.

The myocardium forms the muscular layer of the heart responsible for contraction and pumping blood.

B lymphocytes (plasma cells) produce antibodies as part of humoral immunity against antigens.

Diabetes mellitus occurs due to decreased insulin secretion or action, leading to hyperglycemia and metabolic disturbances.

The epicardium (visceral pericardium) secretes pericardial fluid to reduce friction during heart contraction.

The liver detoxifies harmful substances, metabolizes drugs, and produces bile for digestion.

Atropine blocks excessive acetylcholine effects, making it the antidote for organophosphate pesticide poisoning.

The dermis layer contains sweat glands, sebaceous glands, and sensory receptors.

Vaccination induces active artificial immunity by stimulating the body to produce specific antibodies against pathogens.

Emphysema is a chronic lung condition where alveolar walls are destroyed, reducing gas exchange efficiency.

Autoclaving uses steam under pressure (121°C for 15–20 minutes) to kill all microorganisms and spores.

Normal fasting glucose levels range between 70–110 mg/dL; higher levels indicate diabetes mellitus.

The normal range is 1.010–1.030, indicating kidney’s ability to concentrate or dilute urine.

Clostridium tetani causes tetanus, characterized by severe muscle spasms due to toxin affecting the nervous system.

The left lateral or Sim’s position allows easy access to the rectum while ensuring patient comfort and safety.