Compared to the inside of the resting plasma membrane, the outside surface of the membrane is
A) positively charged.
B) electrically neutral.
C) negatively charged.
D) continuously reversing so that it is positive one second and negative the next.
E) negatively charged whenever the Na+ (--)K+ pump is operating.
Answer: A) positively charged.
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Which is a FALSE statement about the cerebrospinal fluid?
A. It has the same composition as blood plasma. B. It circulates within and between brain ventricles and surrounds the spinal cord. C. It is secreted by cells lining the ventricles of the brain. D. It is in diffusion equilibrium with the extracellular fluid of the central nervous system. E. It acts as a cushion for the brain and spinal cord.
A diagnosis of thyroid cancer may be treated with removal of the thyroid gland. Which hormone or hormones may now be deficient? Considering each hormone individually, which ones should be restored and why? Explain any age-related considerations. Which nonthyroid hormone may be affected by careless thyroidectomy? Explain your answer, indicating whether or not it is critical to maintain this
hormone. What will be an ideal response?
The term ectopic means:
A) in the usual location B) outside the usual place C) outside the uterus D) outside the reproductive system
If lung disease results in an arterial PO2 of 80 mmHg, the total amount of oxygen carried by the blood is 20% below normal
Indicate whether the statement is true or false.