Which is avascular (lacks blood vessels)?
A. Connective tissue
B. Epithelial tissue
C. Muscle tissue
D. Nervous tissue
E. All of the choices are correct.
Answer: B
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Which of the following is classified as loose connective tissue?
a) Blood b) Spongy bone c) Areolar connective tissue d) Elastic connective tissue e) Hyaline cartilage
Blood pressure is monitored by (the)
A) carotid sinus. B) aortic sinus. C) baroreceptors. D) All of the answers are correct. E) None of the answers are correct.
Poly-X females are
A. never fertile. B. nonexistent. C. hermaphrodites. D. normally fertile.
What is the relationship between myelin and the propagation speed of action potentials?
A) The presence of myelin slows the propagation speed of action potentials. B) The presence of myelin speeds up the graded depolarization but does not affect the propagation speed of action potentials. C) The presence of myelin increases the propagation speed of action potentials. D) The presence of myelin does not affect the speed of action potentials. E) The presence of myelin blocks the propagation of action potentials.