BIO 1012 EXAM (SOUTH UNI) QNS & ANS

BIO 1012 EXAM

(SOUTH UNI)

QNS & ANS

2023/2024

• An unmyelinated nerve fiber is ______, whereas a myelinated nerve fiber is ______ gray, and

composing the gray matter of the brain and spinal cord; white, and composing the white

• What is the most basic level of CNS function? spinal reflex

• What is a primary part of the diencephalon? Thalamus

• What immune response causes inflammation and results in scars, and affects the myelin coating on

axons throughout the spinal cord and brain? multiple sclerosis

• Where is the fourth ventricle located? Brainstem

• What is the composition of the intercellular matrix in connective tissue Protein fi bres and ground

substance

• Which of the following is NOT epithelial tissue the dermis

• Which of the following is NOT an example of connective tissue? Epidermis

• Which one of the following cell types is found in epithelial tissue? Keratinocytes

• What are the primary types of tissue in the body? Muscle, nervous, connective and epithelial

• What is a role performed by mitochondria produce ATP

• A major role for mitochondria is to produce ATP (adenosine triphosphate

• The plasma membrane of a cell contains molecules that have a hydrophobic end and a hydrophilic end

What are they called? Phospholipids

14. What is the role of mitochondria? To: form part of the plasma membrane

• What do fi broblasts, chondroblasts, osteoblasts and haemocytoblasts have in common? they are all

immature cells.

• If you pinch your index finger in a door, pain sensations are carried via the ____ nerve. Median

• The perineurium c. bundles axons into fascicles

• Dermatomal maps are important clinically because they can be used to help locate nerve damage.

• Reflexes function in removing the body from painful stimuli. b. keeping the body from falling. c.

maintaining blood pressure. d. maintaining blood CO2 levels

• Lesions of the basal nuclei could cause a slight shaking of the hands or head.