Answer:
a. 75600-75989
Explanation:
CPT(current procedural terminologies)are a set of medical codes used to describe procedures and services perform by health practitioners.
Hemic and lymphatic systems covers procedures of the spleen bone marrow and stem cells and the lymph nodes.
Here codes for procedures such as Splenectomy can be found.
They will be covered under the range 75600-75989 of the cpt codes.
<u>Answer:</u>
Charles Darwin’s study of evolution predicts that genetic evidence would show that all organisms share a common ancestor.
Option: (B)
<u>Explanation:
</u>
- Through his "theory of evolution", Darwin found that the species exist and new species form based on natural selection.
- He studied the animals and birds in Galapagos island for his evolution theory.
<u>The four key points of Darwin's Theory of Evolution:</u>
- individuals of any species are not identical;
- genes are passed from one 'generation' to another;
- more offspring are born than can survive;
- only the 'survivors of the competition' for the resources will reproduce.
Answer:
Answer is C. Climax community is an ecological community that has reached the final stage of ecological succession.
Explanation:
At this point bio-diversity is maximum and no further changes take place. It is the most stable period.
Answer:
1. Ends of the respiratory branches are called alveoli.
2. C. To control blood flow to different areas of the body depending on activities
Explanation:
1. The trachea divides into left and right primary bronchi which in turn divide multiple times upon entering the lungs and make the bronchial tree.
The final branches of the bronchial tree are the terminal bronchioles that lead to alveoli. The alveoli are the balloon-shaped structures and serve as the site of gas exchange between the blood and inhaled air.
2. The opening and closing of sphincters of capillary beds regulate the direction of blood flow. The opening of sphincters allows the blood to flow into associated branches of capillary beds while closed sphincters direct the blood from arterioles to venules via thoroughfare channel.
This local change in blood flow is responsible for the autoregulation of blood flow to different tissues to match their respective metabolic demands. For example, during physical activity, more blood is directed to skeletal and cardiac muscles.
