Nervous System

A) Medulla only B) Spinal cord only C) Cerebellar peduncle D) Cerebrum Answer: D Explanation: The cerebrum supports conscious thought, […]

A) Medulla oblongata B) Cerebellum C) Occipital cortex D) Corpus callosum Answer: A Explanation: The medulla contains centers important for […]

A) Patella B) Thalamus C) Liver D) Aorta Answer: B Explanation: The thalamus acts as a major sensory relay. It […]

A) Red blood cell B) Osteocyte C) Neuron D) Adipocyte Answer: C Explanation: Neurons receive and transmit information. They communicate […]

A) Neurotransmitters B) Chromosomes C) Starch granules D) Hemoglobin crystals Answer: A Explanation: An electrical signal triggers transmitter release. Molecules […]

A) Red blood cells B) Memory lymphocytes C) Platelets D) Skin keratin only Answer: B Explanation: Some B and T […]

A) Cartilage B) Myelin C) Haemoglobin D) Bile Answer: B Explanation: Myelin forms an insulating sheath around many axons. Impulses […]

A) Axon B) Dendrite C) Villus D) Cilium Answer: A Explanation: The axon carries action potentials away from the neuron […]

A) Nerves outside the brain and spinal cord B) Only neurons within the brain C) Only the spinal cord D) […]

A) Axon terminal B) Myelin sheath C) Nucleus only D) Dendrites Answer: D Explanation: Dendrites receive many synaptic inputs. Signals […]