Which germ layer is the urinary bladder derived from?
A. ectoderm
B. mesoderm
C. endoderm
C
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This figure shows an intestinal villus. What is the invagination indicated by the number 2?
A. Gastric gland B. Lymphatic nodule C. Intestinal gland D. Endocrine gland E. Peyer patch
What part of the eye is known as the blind spot?
What will be an ideal response?What will be an ideal response?
Which of the following is NOT a fat-soluble vitamin?
A. Vitamin E B. Vitamin A C. Vitamin B D. Vitamin D
Which of the following statements correctly describes white matter and gray matter?
A. White matter in the brain and spinal cord is a concentration of myelinated axons, and gray matter in the brain and spinal cord is a concentration of myelinated dendrites. B. Gray matter in the brain and spinal cord is a concentration of myelinated axons, and white matter in the brain and spinal cord is a concentration of dendrites. C. White matter in the brain and spinal cord is a concentration of unmyelinated axons, and gray matter in the brain and spinal cord is a concentration of dendrites. D. White matter in the brain and spinal cord is a concentration of myelinated axons, and gray matter in the brain and spinal cord is a concentration of dendrites.