BIOL 1107 EXAM QUESTIONS WITH ANSWERS 2023/2024 (LATEST GRADED A+)

BIOL 1107 EXAM QUESTIONS WITH ANSWERS 2023/2024 (LATEST GRADED A+). tion 1 What gas produced by nerve cells causes vasodilation and erection of the Human male penis? Selected Answer: Nitric oxide (NO) Correct Answer: Nitric oxide (NO)  Question 2 A mutated ion channel protein that controls flow of water / chloride ions. Causes buildup of mucus. Selected Answer: Cystic Fibrosis Correct Answer: Cystic Fibrosis  Question 3 If someone is Hypoglycemic and faints due to low blood sugar, they must raise blood Glucose levels by ingesting good sugars like Orange, Apple, and Grape juice, because Glucose and Sucrose sugars are absorbed quickly. Selected Answer: True Correct Answer: True  Question 4 THC in marijuana mimics the brain’s natural neurotransmitter called… Selected Answer: Anandamide Correct Answer: Anandamide  Question 5 What is the name of the hormone that is responsible for regulating sleep/wake cycles? Selected Answer: Melatonin Correct Answer: Melatonin  Question 6 Which part of the brainstem controls heart rate, swallowing, vomiting, resting, digestion? Selected Answer: Medulla Correct Answer: Medulla  Question 7 What part of the nerve cell may grow after ‘new’ learning followed by sleeping? Selected Answer: Dendrite Correct Answer: Dendrite  Question 8 Which ion is most directly responsible for starting the action potential? Selected Answer: Sodium Correct Answer: Sodium  Question 9 How does Alcohol affect neurons?Proteins on target cells that receive chemical signals. Selected Answer: Receptors Correct Answer: Receptors  Question 11 ____ is the most important excitatory neurotransmitter, and ___ is most important inhibitory neurotransmitter Selected Answer: Glutamate, GABA Correct Answer: Glutamate, GABA  Question 12 Which structure allows nerve impulses to travel at very high speeds (e.g., up to 272 mph) Selected Answer: Myelin Sheath Correct Answer: Myelin Sheath  Question 13 Cortisol is a _______ hormone. Selected Answer: Chronic stress Correct Answer: Chronic stress  Question 14 Brain disorders characterized by difficulty in social interaction and both verbal / nonverbal communication. Selected Answer: Autism spectrum Correct Answer: Autism spectrum