Binding of the neurotransmitter to its receptor causes the membrane to __________.
A. Either depolarize or hyperpolarize
B. Depolarize
C. Hyperpolarize
Answer: A. Either depolarize or hyperpolarize
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A tumor can occur in any tissue within the CNS.
Answer the following statement true (T) or false (F)
Nitric oxide released by endothelial cells in vascular smooth muscle is responsible for smooth muscle relaxation, and therefore responsible for ________.
A. penile erection B. increased blood flow to the fetus C. reduced blood flow to bronchioles D. increased blood flow in placenta
Describe the distribution of total blood volume in the body
A) The volume is divided into the systemic venous system (13%), systemic arterial system (64%), in the heart (7%), pulmonary circulation (9%), and systemic capillaries (7%). B) The volume is divided into the systemic venous system (64%), systemic arterial system (13%), in the heart (7%), pulmonary circulation (9%), and systemic capillaries (7%). C) The volume is divided into the systemic venous system (20%), systemic arterial system (20%), in the heart (20%), pulmonary circulation (20%), and systemic capillaries (20%). D) The volume is divided into the systemic venous system (75%), systemic arterial system (5%), in the heart (5%), pulmonary circulation (5%), and systemic capillaries (10%). E) The volume is divided into the systemic venous system (50%), systemic arterial system (37%), in the heart (7%), pulmonary circulation (3%), and systemic capillaries (3%).
A decrease in the function of the ________ can lead to accumulation of medication in the geriatric patient
A) Vessels B) Lungs C) Kidneys D) Heart