50 Solved Anatomy and Physiology Multiple Choice Questions MCQ [201 - 250]

201. Which of the following is NOT a primary tissue type in the human body?

A. Epithelial tissue

B. Connective tissue

C. Nervous tissue

D. Muscular tissue

Answer: D. Muscular tissue

202. Which organ is responsible for filtering blood and producing urine?

A. Liver

B. Kidney

C. Pancreas

D. Spleen

Answer: B. Kidney

203. Which of the following is NOT a function of the skeletal system?

A. Providing support

B. Protecting internal organs

C. Producing hormones

D. Facilitating movement

Answer: C. Producing hormones

204. What is the purpose of the circulatory system?

A. Exchange of gases

B. Regulation of body temperature

C. Transport of nutrients and waste products

D. Production of antibodies

Answer: C. Transport of nutrients and waste products

205. Which of the following is responsible for producing and secreting insulin?

A. Liver

B. Stomach

C. Pancreas

D. Gallbladder

Answer: C. Pancreas

206. Which of the following is NOT a component of the central nervous system?

A. Brain

B. Spinal cord

C. Peripheral nerves

D. Meninges

Answer: C. Peripheral nerves

207. What is the purpose of the respiratory system?

A. Digestion of food

B. Transportation of oxygen

C. Regulation of body temperature

D. Elimination of metabolic waste

Answer: B. Transportation of oxygen

208. Which of the following hormones is responsible for regulating blood sugar levels?

A. Insulin

B. Thyroxine

C. Estrogen

D. Testosterone

Answer: A. Insulin

209. Which of the following is responsible for the transmission of electrical signals in the nervous system?

A. Neurons

B. Hormones

C. Enzymes

D. Antigens

Answer: A. Neurons

210. What is the purpose of the digestive system?

A. Regulation of blood pressure

B. Production of hormones

C. Breakdown and absorption of nutrients

D. Filtration of blood

Answer: C. Breakdown and absorption of nutrients

211. Which of the following is responsible for the production and secretion of bile?

A. Liver

B. Stomach

C. Pancreas

D. Gallbladder

Answer: A. Liver

212. What is the purpose of the lymphatic system?

A. Transport of oxygen

B. Defense against infections

C. Regulation of body temperature

D. Production of red blood cells

Answer: B. Defense against infections

213. Which of the following hormones is responsible for the regulation of metabolism?

A. Insulin

B. Thyroxine

C. Estrogen

D. Cortisol

Answer: B. Thyroxine

214. What is the purpose of the cornea in the eye?

A. Transmission of visual signals to the brain

B. Regulation of pupil size

C. Protection of the eye

D. Accommodation for near and far vision

Answer: C. Protection of the eye

215. Which of the following is NOT a function of the muscular system?

A. Production of heat

B. Generation of movement

C. Maintenance of posture

D. Production of red blood cells

Answer: D. Production of red blood cells

216. What is the purpose of the adrenal glands?

A. Regulation of blood sugar levels

B. Secretion of stress hormones

C. Maintenance of fluid balance

D. Production of red blood cells

Answer: B. Secretion of stress hormones

217. Which of the following is NOT a function of the endocrine system?

A. Regulation of metabolism

B. Control of growth and development

C. Coordination of voluntary movements

D. Regulation of reproductive processes

Answer: C. Coordination of voluntary movements

218. What is the purpose of the gallbladder?

A. Production of digestive enzymes

B. Storage and concentration of bile

C. Regulation of blood pressure

D. Filtration of blood

Answer: B. Storage and concentration of bile

219. Which of the following is responsible for the transmission of sound waves to the auditory nerve?

A. Cochlea

B. Eardrum

C. Ossicles

D. Auditory canal

Answer: C. Ossicles

220. What is the purpose of the immune system?

A. Regulation of body temperature

B. Production of hormones

C. Protection against pathogens

D. Filtration of blood

Answer: C. Protection against pathogens

221. Which of the following is responsible for the production and secretion of estrogen?

A. Ovaries

B. Testes

C. Adrenal glands

D. Thyroid gland

Answer: A. Ovaries

222. What is the purpose of the diaphragm in the respiratory system?

A. Regulation of body temperature

B. Filtration of air

C. Production of mucus

D. Facilitation of breathing

Answer: D. Facilitation of breathing

223. Which of the following is NOT a function of the cardiovascular system?

A. Transport of oxygen and nutrients

B. Regulation of body temperature

C. Removal of waste products

D. Distribution of hormones

Answer: B. Regulation of body temperature

224. What is the purpose of the meninges in the central nervous system?

A. Transmission of electrical signals

B. Production of cerebrospinal fluid

C. Protection of the brain and spinal cord

D. Regulation of body temperature

Answer: C. Protection of the brain and spinal cord

225. Which of the following is responsible for the production and secretion of progesterone?

A. Ovaries

B. Testes

C. Adrenal glands

D. Thyroid gland

Answer: A. Ovaries

226. What is the purpose of the tympanic membrane in the ear?

A. Transmission of sound waves to the cochlea

B. Regulation of air pressure in the middle ear

C. Protection of the inner ear

D. Production of earwax

Answer: A. Transmission of sound waves to the cochlea

227. Which of the following is responsible for the regulation of body temperature?

A. Sweat glands

B. Adrenal glands

C. Thyroid gland

D. Liver

Answer: C. Thyroid gland

227. What is the purpose of the spleen?

A. Production of red blood cells

B. Storage of platelets

C. Regulation of blood pressure

D. Filtering and removal of old red blood cells

Answer: D. Filtering and removal of old red blood cells

229. Which of the following is responsible for the production and secretion of growth hormone?

A. Adrenal glands

B. Pituitary gland

C. Thyroid gland

D. Pancreas

Answer: B. Pituitary gland

230. What is the purpose of the synovial fluid in joints?

A. Protection against infections

B. Lubrication and nourishment of the joint

C. Regulation of muscle contraction

D. Transportation of oxygen

Answer: B. Lubrication and nourishment of the joint

231. Which of the following is responsible for the production and secretion of parathyroid hormone?

A. Adrenal glands

B. Pituitary gland

C. Parathyroid glands

D. Thyroid gland

Answer: C. Parathyroid glands

232. What is the purpose of the iris in the eye?

A. Transmission of visual signals to the brain

B. Protection of the eye

C. Regulation of pupil size

D. Accommodation for near and far vision

Answer: C. Regulation of pupil size

233. Which of the following is NOT a function of the integumentary system?

A. Protection against pathogens

B. Regulation of body temperature

C. Production of red blood cells

D. Sensation of touch and pressure

Answer: C. Production of red blood cells

234. What is the purpose of the thymus gland?

A. Production of red blood cells

B. Storage of bile

C. Regulation of blood pressure

D. Development of T lymphocytes

Answer: D. Development of T lymphocytes

235. Which of the following is responsible for the production and secretion of melatonin?

A. Pineal gland

B. Thyroid gland

C. Adrenal glands

D. Pituitary gland

Answer: A. Pineal gland

236. What is the purpose of the alveoli in the respiratory system?

A. Regulation of airflow

B. Production of mucus

C. Exchange of gases

D. Protection of the lungs

Answer: C. Exchange of gases

237. Which of the following is responsible for the production and secretion of luteinizing hormone (LH)?

A. Adrenal glands

B. Pituitary gland

C. Pancreas

D. Ovaries

Answer: B. Pituitary gland

238. What is the purpose of the synovial joints in the skeletal system?

A. Protection of internal organs

B. Generation of heat

C. Facilitation of movement

D. Production of red blood cells

Answer: C. Facilitation of movement

239. Which of the following is NOT a function of the urinary system?

A. Regulation of blood pressure

B. Elimination of metabolic waste

C. Maintenance of fluid balance

D. Regulation of electrolyte levels

Answer: A. Regulation of blood pressure

240. What is the purpose of the semicircular canals in the ear?

A. Regulation of body temperature

B. Detection of sound waves

C. Transmission of sound signals to the brain

D. Maintenance of balance and orientation

Answer: D. Maintenance of balance and orientation

241. Which of the following is responsible for the production and secretion of antidiuretic hormone (ADH)?

A. Adrenal glands

B. Pituitary gland

C. Pancreas

D. Kidneys

Answer: B. Pituitary gland

242. What is the purpose of the peristaltic contractions in the digestive system?

A. Regulation of blood sugar levels

B. Production of digestive enzymes

C. Breakdown and propulsion of food

D. Filtration of blood

Answer: C. Breakdown and propulsion of food

243. Which of the following is responsible for the transmission of electrical signals from the atria to the ventricles in the heart?

A. Sinoatrial node (SA node)

B. Atrioventricular node (AV node)

C. Bundle of His

D. Purkinje fibers

Answer: C. Bundle of His

244. What is the purpose of the medulla oblongata in the brain?

A. Regulation of body temperature

B. Coordination of voluntary movements

C. Control of vital functions such as breathing and heart rate

D. Transmission of visual signals to the brain

Answer: C. Control of vital functions such as breathing and heart rate

245. Which of the following is responsible for the production and secretion of oxytocin?

A. Adrenal glands

B. Pituitary gland

C. Pancreas

D. Ovaries

Answer: B. Pituitary gland

246. What is the purpose of the epiglottis in the respiratory system?

A. Regulation of body temperature

B. Protection of the airway during swallowing

C. Production of mucus

D. Facilitation of gas exchange

Answer: B. Protection of the airway during swallowing

247. Which of the following is NOT a function of the lymphatic system?

A. Transportation of nutrients

B. Removal of waste products

C. Defense against infections

D. Absorption of fats

Answer: A. Transportation of nutrients

248. What is the purpose of the adrenal cortex?

A. Secretion of stress hormones

B. Regulation of blood sugar levels

C. Maintenance of fluid balance

D. Production of red blood cells

Answer: C. Maintenance of fluid balance

249. Which of the following is responsible for the production and secretion of cortisol?

A. Adrenal glands

B. Pituitary gland

C. Thyroid gland

D. Testes

Answer: A. Adrenal glands

250. What is the purpose of the cerebellum in the brain?

A. Regulation of body temperature

B. Control of voluntary movements and coordination

C. Control of vital functions such as breathing and heart rate

D. Transmission of visual signals to the brain

Answer: B. Control of voluntary movements and coordination