Psych 302 Biopsychology Exam 1
Questions and Answers
What is the substance the brain uses as fuel? - CORRECT ANSWER✔✔-
| | | | | | | | | | |
ATP
Glucose - uses directly
| | |
Name two functions of the glial cells in the brain. - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Physical support - held in place by astrocytes | | | | | | |
Chemical support - engulf chemicals and dead cells
| | | | | | |
What are the functions of Oligodendrocytes and Schwann cells? -
| | | | | | | | | |
CORRECT ANSWER✔✔-Oligodendrocytes - provide support to axons,
| | | | | |
"feet" wrap around axon
| | | |
Schwann - wrapped around the myelinated axon with whole body
| | | | | | | | |
Where are Oligodendrocytes and Schwann cells found? - CORRECT
| | | | | | | | |
ANSWER✔✔-Oligodendrocytes - Central Nervous System | | | |
Schwann - Peripheral Nervous System
| | | |
, Which ions are more concentrated on the inside of the cell? Outside? -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-Intercellular — Organic anions (proteins)(A-),
| | | | | |
Potassium Ions (K+) | |
Extracellular — Sodium Ions (Na+), Chloride Ions (Cl-) | | | | | | |
What is the blood-brain barrier? - CORRECT ANSWER✔✔-A
| | | | | | | |
semipermeable barrier between the blood and the brain produced by | | | | | | | | | |
the cells in the walls of the brain's capillaries.
| | | | | | | |
T/F: Phagocytosis refers to the ability of a glial cell to "digest" debris -
| | | | | | | | | | | | | |
CORRECT ANSWER✔✔-True |
What Symbiotic Cellular Entity contains its own, independent, set of
| | | | | | | | | |
genes? - CORRECT ANSWER✔✔-Mitochondria
| | |
What happens to a neuron if it comes in contact with blood? - CORRECT
| | | | | | | | | | | | | |
ANSWER✔✔-They die |
T/F: The inside of a neuron contains more POSITIVE ions than the
| | | | | | | | | | | |
outside. - CORRECT ANSWER✔✔-False
| | |
Name 3 glial cells types and describe where in the nervous system they
| | | | | | | | | | | | |
are located (CNS or PNS). - CORRECT ANSWER✔✔-Astrocytes — CNS
| | | | | | | | |
Schwann — PNS | | |
Questions and Answers
What is the substance the brain uses as fuel? - CORRECT ANSWER✔✔-
| | | | | | | | | | |
ATP
Glucose - uses directly
| | |
Name two functions of the glial cells in the brain. - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Physical support - held in place by astrocytes | | | | | | |
Chemical support - engulf chemicals and dead cells
| | | | | | |
What are the functions of Oligodendrocytes and Schwann cells? -
| | | | | | | | | |
CORRECT ANSWER✔✔-Oligodendrocytes - provide support to axons,
| | | | | |
"feet" wrap around axon
| | | |
Schwann - wrapped around the myelinated axon with whole body
| | | | | | | | |
Where are Oligodendrocytes and Schwann cells found? - CORRECT
| | | | | | | | |
ANSWER✔✔-Oligodendrocytes - Central Nervous System | | | |
Schwann - Peripheral Nervous System
| | | |
, Which ions are more concentrated on the inside of the cell? Outside? -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-Intercellular — Organic anions (proteins)(A-),
| | | | | |
Potassium Ions (K+) | |
Extracellular — Sodium Ions (Na+), Chloride Ions (Cl-) | | | | | | |
What is the blood-brain barrier? - CORRECT ANSWER✔✔-A
| | | | | | | |
semipermeable barrier between the blood and the brain produced by | | | | | | | | | |
the cells in the walls of the brain's capillaries.
| | | | | | | |
T/F: Phagocytosis refers to the ability of a glial cell to "digest" debris -
| | | | | | | | | | | | | |
CORRECT ANSWER✔✔-True |
What Symbiotic Cellular Entity contains its own, independent, set of
| | | | | | | | | |
genes? - CORRECT ANSWER✔✔-Mitochondria
| | |
What happens to a neuron if it comes in contact with blood? - CORRECT
| | | | | | | | | | | | | |
ANSWER✔✔-They die |
T/F: The inside of a neuron contains more POSITIVE ions than the
| | | | | | | | | | | |
outside. - CORRECT ANSWER✔✔-False
| | |
Name 3 glial cells types and describe where in the nervous system they
| | | | | | | | | | | | |
are located (CNS or PNS). - CORRECT ANSWER✔✔-Astrocytes — CNS
| | | | | | | | |
Schwann — PNS | | |
