What is the flow of blood through a capillary bed called?
A) pulmonary circulation
B) hepatic portal circulation
C) systemic circulation
D) microcirculation
D
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During cerebrovascular accidents, glutamate released by damage neurons binds to ____ receptors of neighboring, healthy neurons, thus, initiating apoptosis
a. acetylcholine b. calcium c. epinephrine d. NMDA e. serotonin
The deep region of the penis, surrounding the urethra, that engorges with blood during an erection is known as the ________.
A. ductus (vas) deferens B. epididymis C. corpus cavernosum D. scrotum E. corpus spongiosum
Reflex arcs
A. are capable of receiving a stimulus and yielding a response. B. are the basic structural units of the nervous system. C. occur primarily in the cerebral cortex of the brain. D. involve inhibitory neurons. E. do not involve the spinal cord.
What organelle is most active in causing programmed cell death?
A) Rough endoplasmic reticulum B) Mitochondrion C) Centriole D) Nucleus E) Lysosome