BIOD152 Module 2 Exam Practice Questions and Answers | 100% Pass

BIOD152 Module 2 Exam Practice Questions and Answers | 100% Pass 1. This is the most superficial layer of the brain. - Answer️️ -dura mater 1. This layer of the meninges is tightly attached to the brain. - Answer️️ -pia mater (menix) 2. The ____ fissure separates the cerebrum from cerebellum. - Answer️️ -transverse 2. The _____ fissure separates the right and left cerebral hemispheres. - Answer️️ - median longitudinal 3. Describe the function of the brain ventricles. - Answer️️ -In the interior of the brain, there are four ventricles where cerebrospinal fluid is produced in the chambers. The CSF will circulate through the ventricle and the subarachnoid space. This floats the brain and protects it from hitting the skull. 3. What is the purpose of the blood-brain barrier? Describe its maintenance from a cellular level. - Answer️️ -The blood-brain barrier is a diffusion barrier which prevents most particles from entering the central nervous system tissue, keeping the brain and spinal cord separate from general blood circulation. The blood0brain barrier is formed by the relatively impermeable brain capillaries, due to glial cells astrocytes. Maintenance of the blood-brain barrier is important to provide a stable chemical environment for the nervous system. 4. All of the following are a function of the hypothalamus except: Page 2 of 14 A. Regulate sleep B. Links nervous and endocrine systems C. Filters out important sensory info D. Regulates water balance - Answer️️ -C. Filters out important sensory info 4. All of the following are a function of the hypothalamus except: A. Maintain homeostasis B. Controls pituitary gland C. Links the nervous system and endocrine D. Relays sensory impulses to cerebrum - Answer️️ -D. Relays sensory impulses to cerebrum 5. This ventricle is located anterior to the cerebellum. A. Lateral B. Medial C. Third D. Fourth - Answer️️ -D. Fourth 5. What is the largest portion of the brain? A. Cerebellum B. Cerebrum C. Corpus collosum Page 3 of 14 D. Cingulate gyrus - Answer️️ -B. Cerebrum 6. This region of the brain controls decision making. A. Frontal lobe B. Cerebellum C. Occipital Lobe D. Temporal lobe E. Primary sensory cortex - Answer️️ -A. Frontal lobe 6. This region of the brain acts to coordinate multiple source