The lighter area within the middle of the A band, where the thin filaments do not reach, is the ____________________.
Fill in the blank(s) with correct word
(
Question 2) The brain cannot produce ATP in the absence of glucose or oxygen.
Indicate whether the statement is true or false
(
Question 3) A skeletal muscle fiber contains numerous ____________________, which are cylindrical intracellular structures.
Fill in the blank(s) with correct word
(
Question 4) The cells that form the walls of the brain capillaries have the inherent ability to form tight junctions.
Indicate whether the statement is true or false
(
Question 5) A single skeletal muscle cell is known as a(n) ____________________.
Fill in the blank(s) with correct word
(
Question 6) Under resting conditions, the brain uses approximately 50 of the body's oxygen consumption and 20 of the body's glucose consumption.
Indicate whether the statement is true or false
(
Question 7) Smooth muscle cells are interconnected by gap junctions found in intercalated discs that join cells together.
a. True
b. False
Indicate whether the statement is true or false
(
Question 8) Transport across the brain capillary walls is anatomically prevented between the cells and is physiologically restricted through the cells.
Indicate whether the statement is true or false
(
Question 9) ATP splitting is much slower in smooth muscle, so cross-bridge activity and filament sliding occur about ten times more slowly in smooth muscle than in skeletal muscle.
a. True
b. False
Indicate whether the statement is true or false
(
Question 10) Cerebrospinal fluid comes into direct contact with the neuronal and glial cells only at one location within the brain.
Indicate whether the statement is true or false
Quick Reply
