50 Solved Anatomy and Physiology Multiple Choice Questions MCQ [151 - 200]

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

A. Regulation of water balance

B. Production of hormones

C. Removal of metabolic waste

D. Maintenance of electrolyte balance

Answer: B. Production of hormones

152. Which of the following hormones is responsible for regulating the body's metabolism?

A. Insulin

B. Thyroxine

C. Estrogen

D. Testosterone

Answer: B. Thyroxine

153. Which of the following is responsible for transmitting visual signals from the retina to the brain?

A. Cornea

B. Lens

C. Optic nerve

D. Retina

Answer: C. Optic nerve

154. What is the purpose of the thymus gland?

A. Producing red blood cells

B. Regulating calcium levels

C. Producing hormones for growth

D. Development of T-lymphocytes

Answer: D. Development of T-lymphocytes

155. Which of the following is NOT a function of the respiratory system?

A. Transporting oxygen

B. Eliminating carbon dioxide

C. Maintaining acid-base balance

D. Producing red blood cells

Answer: D. Producing red blood cells

156. What is the purpose of the biceps brachii muscle?

A. Flexing the forearm

B. Extending the forearm

C. Rotating the shoulder

D. Flexing the thigh

Answer: A. Flexing the forearm

157. Which of the following is responsible for producing and secreting milk in the breasts?

A. Ovaries

B. Uterus

C. Mammary glands

D. Prostate gland

Answer: C. Mammary glands

158. What is the purpose of the cerebrospinal fluid (CSF)?

A. Lubrication of joints

B. Protection of the spinal cord

C. Transportation of oxygen

D. Regulation of body temperature

Answer: B. Protection of the spinal cord

159. Which of the following is NOT a component of blood?

A. Red blood cells

B. White blood cells

C. Platelets

D. Plasma cells

Answer: D. Plasma cells

160. Which of the following is responsible for regulating the body's response to stress?

A. Cortisol

B. Insulin

C. Estrogen

D. Testosterone

Answer: A. Cortisol

161. What is the purpose of the sutures in the skull?

A. To allow for growth of the brain

B. To provide flexibility during movement

C. To connect the cranial bones

D. To regulate blood flow to the brain

Answer: C. To connect the cranial bones

162. Which of the following is NOT a function of the liver?

A. Detoxification

B. Bile production

C. Blood filtration

D. Carbohydrate metabolism

Answer: C. Blood filtration

163. What is the purpose of the peristaltic movements in the digestive system?

A. Absorption of nutrients

B. Regulation of pH levels

C. Mixing and propelling food

D. Protection against pathogens

Answer: C. Mixing and propelling food

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

A. Hormones

B. Neurons

C. Enzymes

D. Antigens

Answer: B. Neurons

165. What is the purpose of the scapula bone?

A. Protection of the spinal cord

B. Attachment site for muscles

C. Production of red blood cells

D. Regulation of blood pressure

Answer: B. Attachment site for muscles

166. Which of the following hormones is responsible for the development of male secondary sexual characteristics?

A. Estrogen

B. Progesterone

C. Testosterone

D. Oxytocin

Answer: C. Testosterone

167. What is the purpose of the adrenal glands?

A. Regulation of blood sugar levels

B. Production of red blood cells

C. Maintenance of fluid balance

D. Secretion of stress hormones

Answer: D. Secretion of stress hormones

168. Which of the following is NOT a function of the immune system?

A. Protection against pathogens

B. Removal of metabolic waste

C. Recognition of self and non-self

D. Production of antibodies

Answer: B. Removal of metabolic waste

169. What is the purpose of the Eustachian tube?

A. Regulation of body temperature

B. Transmission of sound waves

C. Equalization of air pressure

D. Secretion of earwax

Answer: C. Equalization of air pressure

170. Which of the following is responsible for the production of insulin in the body?

A. Liver

B. Stomach

C. Pancreas

D. Gallbladder

Answer: C. Pancreas

171. What is the purpose of the pituitary gland?

A. Production of red blood cells

B. Regulation of body temperature

C. Control of growth and development

D. Secretion of digestive enzymes

Answer: C. Control of growth and development

172. Which of the following is NOT a function of the musculoskeletal system?

A. Facilitation of movement

B. Protection of internal organs

C. Production of hormones

D. Maintenance of posture

Answer: C. Production of hormones

173. 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

174. Which of the following is responsible for the production and maturation of red blood cells?

A. Liver

B. Spleen

C. Bone marrow

D. Thymus gland

Answer: C. Bone marrow

175. What is the purpose of the ciliary muscles in the eye?

A. Regulation of pupil size

B. Accommodation for near and far vision

C. Transmission of visual signals to the brain

D. Protection of the retina

Answer: B. Accommodation for near and far vision

176. 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

177. What is the purpose of the spleen?

A. Production of red blood cells

B. Storage of bile

C. Regulation of blood pressure

D. Filtering and removal of old red blood cells

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

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

A. Adrenal glands

B. Ovaries

C. Testes

D. Thyroid gland

Answer: B. Ovaries

179. What is the purpose of the malleus, incus, and stapes in the ear?

A. Amplification of sound waves

B. Regulation of balance

C. Production of earwax

D. Transmission of nerve impulses

Answer: A. Amplification of sound waves

180. Which of the following is responsible for the production and storage of bile?

A. Liver

B. Stomach

C. Pancreas

D. Gallbladder

Answer: D. Gallbladder

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

A. Oxygen transport

B. Filtration of air

C. Regulation of pH levels

D. Gas exchange with the bloodstream

Answer: D. Gas exchange with the bloodstream

182. Which of the following hormones is responsible for regulating water reabsorption in the kidneys?

A. Insulin

B. Thyroxine

C. Aldosterone

D. Growth hormone

Answer: C. Aldosterone

183. What is the purpose of the vas deferens in males?

A. Production of sperm

B. Storage of urine

C. Transportation of sperm

D. Secretion of testosterone

Answer: C. Transportation of sperm

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

A. Transportation of oxygen and nutrients

B. Removal of metabolic waste products

C. Regulation of body temperature

D. Production of hormones

Answer: D. Production of hormones

185. What is the purpose of the adrenal medulla?

A. Regulation of blood sugar levels

B. Production of red blood cells

C. Secretion of stress hormones

D. Maintenance of fluid balance

Answer: C. Secretion of stress hormones

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

A. Pineal gland

B. Pituitary gland

C. Thyroid gland

D. Adrenal glands

Answer: A. Pineal gland

187. What is the purpose of the tricuspid valve in the heart?

A. Prevention of backflow of blood from the aorta

B. Separation of the left and right ventricles

C. Regulation of blood pressure

D. Prevention of backflow of blood from the right ventricle to the right atrium

Answer: D. Prevention of backflow of blood from the right ventricle to the right atrium

188. Which of the following is responsible for the production and secretion of gastric acid?

A. Liver

B. Stomach

C. Pancreas

D. Gallbladder

Answer: B. Stomach

189. What is the purpose of the semilunar valves in the heart?

A. Separation of the left and right atria

B. Prevention of backflow of blood from the aorta and pulmonary artery

C. Regulation of heart rate

D. Control of blood flow to the coronary arteries

Answer: B. Prevention of backflow of blood from the aorta and pulmonary artery

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

A. Protection of internal organs

B. Production of red blood cells

C. Storage of minerals

D. Facilitation of movement

Answer: B. Production of red blood cells

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

A. Regulation of body temperature

B. Control of voluntary movements and balance

C. Processing of sensory information

D. Regulation of hormone secretion

Answer: B. Control of voluntary movements and balance

192. Which of the following hormones is responsible for regulating blood glucose levels?

A. Insulin

B. Thyroxine

C. Estrogen

D. Testosterone

Answer: A. Insulin

193. What is the purpose of the cecum in the digestive system?

A. Absorption of water

B. Production of digestive enzymes

C. Regulation of pH levels

D. Fermentation of plant material

Answer: D. Fermentation of plant material

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

A. Liver

B. Stomach

C. Pancreas

D. Gallbladder

Answer: A. Liver

195. What is the purpose of the lymph nodes in the lymphatic system?

A. Production of lymphocytes

B. Filtration of lymph and removal of foreign substances

C. Regulation of fluid balance

D. Secretion of antibodies

Answer: B. Filtration of lymph and removal of foreign substances

196. Which of the following hormones is responsible for regulating calcium levels in the blood?

A. Cortisol

B. Insulin

C. Parathyroid hormone

D. Estrogen

Answer: C. Parathyroid hormone

197. What is the purpose of the corpus callosum in the brain?

A. Control of heart rate and blood pressure

B. Transmission of nerve impulses between the left and right hemispheres

C. Production of cerebrospinal fluid

D. Regulation of sleep-wake cycles

Answer: B. Transmission of nerve impulses between the left and right hemispheres

198. 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

199. What is the purpose of the parathyroid glands?

A. Regulation of blood sugar levels

B. Production of red blood cells

C. Secretion of growth hormones

D. Regulation of calcium levels

Answer: D. Regulation of calcium levels

200. Which of the following is responsible for the production and secretion of mucus in the respiratory system?

A. Trachea

B. Larynx

C. Bronchi

D. Goblet cells

Answer: D. Goblet cells