This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 179 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 179 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. As an impulse moves along the axon, it jumps from one node to the next, which increases the speed at which the impulse can travel A) True. B) False. Show Answer Correct Answer: A) True. 2. A female patient experiences a significant disruption in the circadian rhythm for various sex hormones and corticosterone. A tumor is discovered in the forebrain of this patient. Which of the following structures most likely contains the tumor? A) Posterior hypothalamic nucleus. B) Lateral hypothalamus. C) Ventromedial nucleus of the hypothalamus. D) Suprachiasmatic nucleus of the hypothalamus. Show Answer Correct Answer: D) Suprachiasmatic nucleus of the hypothalamus. 3. A signal molecule that transmits nerve impulses across synapses A) Neuron. B) Nerve. C) Neurotransmitter. D) Action potential. Show Answer Correct Answer: C) Neurotransmitter. 4. Growing A) Voluntary. B) Involuntary. Show Answer Correct Answer: B) Involuntary. 5. When we experience fight or flight stress, our blood sugar A) Decreases. B) Increases. Show Answer Correct Answer: B) Increases. 6. The site of intercellular communication between neurons or between a neuron and an effector is the A) Telodendria. B) Soma. C) Collaterals. D) Hillock. E) Conclusion. Show Answer Correct Answer: E) Conclusion. 7. Where is the diencephalon located? A) Atop the brainstem. B) Enclosed by the cerebral hemispheres. C) Under the brainstem. D) Both atop the brainstem and enclosed by the cerebral hemispheres. E) Both enclosed by the cerebral hemispheres and under the brainstem. Show Answer Correct Answer: D) Both atop the brainstem and enclosed by the cerebral hemispheres. 8. Which layer directly encases the bone? A) Skin. B) Periosteum. C) Dura mater. D) Pia mater. Show Answer Correct Answer: B) Periosteum. 9. Logical decision making is processed here. A) Occipital lobe. B) Visual cortex. C) Frontal lobe. D) Thalamus. Show Answer Correct Answer: C) Frontal lobe. 10. What type of muscle is found in the bladder? A) Cardiac. B) Skeletal. C) Smooth. D) Involuntary. Show Answer Correct Answer: C) Smooth. 11. Found at the posterior base of the cerebrum and is in charge of balance and coordinating movements: A) Thalamus. B) Reticular Formation. C) Hypothalamus. D) Cerebellum. Show Answer Correct Answer: D) Cerebellum. 12. How many nerves do we have in our body? A) 3 nerves. B) About a billion nerves. C) A thousand nerves. D) None of above. Show Answer Correct Answer: B) About a billion nerves. 13. Afferent nerves are called A) Efferent nerves. B) Sensory nerves. C) Motor nerves. D) Peripheral nerves. Show Answer Correct Answer: B) Sensory nerves. 14. *The quickest source of ATP for skeletal muscles is: A) *anaerobic respiration. B) *aerobic respiration. C) *creatine phosphate. D) *glycolysis. Show Answer Correct Answer: C) *creatine phosphate. 15. The inner layer, known as the delicate mother A) Pia mater. B) Dura mater. C) Arachnoid mater. D) None of above. Show Answer Correct Answer: A) Pia mater. 16. Which of the following is not a key principle of exercise programming? A) Specificity. B) Overload. C) Recovery. D) Randomness. Show Answer Correct Answer: D) Randomness. 17. Which of the following does not use radiation? A) Xray. B) CT Scan. C) PET Scan. D) MRI. Show Answer Correct Answer: D) MRI. 18. What's the function of the automatic system? A) Affects the automatic and involuntary actions of the internal organs. B) Receives messages of sensations. C) Makes plans and sends orders for action. D) Controls the nervous system. Show Answer Correct Answer: A) Affects the automatic and involuntary actions of the internal organs. 19. Which part of the eye is responsible for admitting light, is an extension of the sclera, and contains no blood vessels? A) Sclera. B) Cornea. C) Choroid. D) Retina. Show Answer Correct Answer: B) Cornea. 20. A chromatophilic substance is: A) Essentially the rough endoplasmic reticulum, important metabolically. B) Secretes neurotransmatters. C) The region of the cell body from which the axon originates. D) An impulse generator and transmitter. Show Answer Correct Answer: A) Essentially the rough endoplasmic reticulum, important metabolically. ← PreviousNext →Related QuizzesScience QuizzesNervous System Quiz 1Nervous System Quiz 2Nervous System Quiz 3Nervous System Quiz 4Nervous System Quiz 5Nervous System Quiz 6Nervous System Quiz 7Nervous System Quiz 8Nervous System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books