Answer:
The correct answer to the question: Dr. Gonzalez is:___ would be: Checking the validity of his tool to measure depressive symptoms.
Explanation:
Dr. Gonzalez, as a researcher, wants to test a tool that he himself created in order to measure depressive symptoms in Hispanic women. In order to validate his tool, and know if it will give acceptable results, he compares his tool with others than have already been established, and scientifically proven as effective. As such, he not only will ask participants in his study respond to his instrument, but he will also apply one that has already been used with that purpose: the Beck Depression Inventory, and another one that will measure factors not related to depression, known as a social desirability scale. With the results from all three tools, Dr. Gonzalez will be able to ascertain the validity of his own scale, and test it against others. In this way, he is further vaidating his results as well, and showing the accuracy of his own instrument.
D) Pulse Oximetry Reading
Answer: b. DNA
Explanation:
DNA is a genetic material commonly found in all living beings. It is present in a thread like structure that is called as the chromosome. The DNA is double helical structure which exhibits the segments of small units called as the genes. The gene is a hereditary material which encodes for a particular protein. Each gene is responsible for determining a particular trait in living beings.
Answer: Lymph node
Explanation:
The lymphatic system of the body works by filtering the blood and remove the harmful pathogen that is present in it.
There are several organs in the lymphatic system that works together at different sites in the body and helps body prevent and cure from infection.
Lymph nodes function to remove pathogen and debris from lymph and it is also referred as filters of lymph. The macrophages and dentritic cells kill the harmful pathogen in the blood.
Hence, the correct answer is option A
Answer:
because the sodium channels have a refractory period following activation, during which they cannot open again and it ensures that the action potential is propagated in a specific direction along the axon.
