Which of the following branches of a spinal nerve has the neurosomas of only sensory neurons?
A. Posterior (dorsal) root
B. Meningeal branch
C. Anterior ramus
D. Posterior ramus
E. Anterior (ventral) root
Answer: A
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Introduction to the Structural Units: In each of the examples below, choose the term that correctly describes the human body according to anatomical position.
a. In the anatomical position, the palms are ___ or backward. b. The liver is superior or ___ to the diaphragm. c. The hand is proximal or ___ to the elbow. d. The shoulder blade is on the anterior or ___ part of the body. e. Cranial refers to the ___ or tail end of the body. f. The coronal plane divides the body into ___ or right and left sections. g. The arms are located on the medial or ___ side of the body. h. The transverse plane divides the body into ___ or anterior and posterior parts.
Why is vision sharpest in the fovea?
A) It has more rods. B) It has more cones. C) There is less interference with overlying cells. D) It contains the focal point.
Leptin causes certain first-order neurons to release more of the chemical called ___________, which then causes the release of ___________ from second-order neurons; the result is appetite suppression
Fill in the blank(s) with correct word
Vertebrates have been thought of as "dual animals," consisting of both segmented and unsegmented portions. How is this duality reflected in their embryonic development and the structure of the nervous system?
What will be an ideal response?