Which of the following tissues serve as a barrier to microbial infections?
A. Epithelial
B. Nervous
C. Connective
D. Muscular
Answer: A
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List the three ways that neurotransmitters can be removed from a synapse
What will be an ideal response
Human somatic cells have ____________ pairs of chromosomes. Two chromosomes that carry the same genes are called a _______________ pair.
Fill in the blank(s) with correct word
In familial hypercholesterolemia, homozygous people with the abnormal gene have extremely high cholesterol, while heterozygous people have somewhat high cholesterol. This type of inheritance is called
A. complete dominance. B. sex-linked inheritance. C. multiple alleles. D. incomplete dominance. E. codominance.
Brian, 53, finally visited his doctor, after 6 months of being winded after climbing the two flights of stairs to his apartment. He kept blaming himself for being "out of shape," and thought he would be OK after his spring yard work started, but he wasn't. The doctor wasn't surprised when Brian's blood pressure was 160/110 mm Hg. The doctor prescribed some beta blockers and more tests, including
an ECG and blood tests. Why did the doctor want this additional information? What are some items he would check in the blood tests, and why? What will be an ideal response?