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Section BIOLOGY DEPARTMENT BIOL 252DEPARTMENTAL MIDTERM LAB EXAM SPRING 2018 i.

ID: 215168 • Letter: S

Question

Section BIOLOGY DEPARTMENT BIOL 252DEPARTMENTAL MIDTERM LAB EXAM SPRING 2018 i. What structure is highly vascularized and closely adheres to the surface of the brain? a. arachnoid b. Pia mater C. Dura mater d. Dural folds Subdural space 2. The part of the brain that links the nervous and endocrine systems is the a. Medulla oblongata b. Cerebellum c. Hypothalamus d. Cerebrum e. Pons 3. The spinal nerves are part of the a. Somatic nervous system b. Autonomic nervous system c. Peripheral nervous system d. Central nervous system e. Sympathetic nervous system 4. Following a stroke some injured cells within the brain die. The dead cells are phagocytized by a. Oligodendrocytes b. Astrocytes and microglial cells c. Astrocytes d. Microglial cells e. Ependymal and Schwann cells 5. Convolutions on the surface of the cerebrum are called a. Gyri b. Sulci c. Concretions d. Fissures e. Trabeculae

Explanation / Answer

1. Pia Matter

2. Hypothalamus, it links the nervous and the endocrine system and helps majorly in maintaing body homeostasis

3. Peripheral nervous system, CNS includes only brain and spinal cord

4. Microglial cells are the resident macrophages and thus phagocytose the dead cells

5. convolutions are grooves which are called sulci wherea gyri are the ridges

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