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Mumz [18]
3 years ago
8

The nurse is caring for a patient with a history of severe cardiac problems. The goal is to use exercise to maintain the highest

level of function possible. To prevent hypertension or use of the Valsalva maneuver, precautionary teaching should include directions to:
a. Breathe through your mouth while exercising.
b. Start slowly and work up until you feel short of breath.
c. Limit exercises to range of motion and stretching.
d. Perform isotonic and isometric exercise frequently.
Biology
1 answer:
yaroslaw [1]3 years ago
4 0
The correct answer is A
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2 Points
SVEN [57.7K]

Answer:

B, A fossil found in rocks from one time period

Explanation:

Fossils are used to determine the ages of rock layers. Index fossils are the most useful for this. Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in. Hope that this helps you :)

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3 years ago
"Which phase of mitosis shows the greatest difference between animal cells and plant cells"?
emmasim [6.3K]
The answer is Cytokinesis
5 0
3 years ago
A metal body of mass 81 g occupies a volume of 30 cm3. Identify the metal.
Cerrena [4.2K]

Answer:

Aluminum

Explanation:

The density of Aluminum is 2.7 g/cm3

We know the volume and mass of the unknown metal, as density is mass/volume:  81g/30cm3 = 2.7 g/cm3 which is the density of Aluminum :)

8 0
3 years ago
Read 2 more answers
The structures outside the cranium and spinal column make up the _____ _____ nervous system, which is primarily composed of ____
ValentinkaMS [17]

Answer:

Make up the skull and composed of the brain

Explanation:

3 0
2 years ago
Explain why the sequence of dna bases is just like a sequence
Westkost [7]

DNA is nothing more than a sequence of bases (nucleotides) and since DNA is normally double stranded, they can be referred to as base pairs. One could best visualise it like a zipper: two connected strands (that can also be separated). DNA is made up of only four different bases, abbreviated as A, C, G and T. These always form the same pairs: A on one side of the zipper, T on the other side and the same goes for C and G. So, when unzipped, you always know the sequence of the opposite strand.

The sequence of base pairs that make up our DNA should be viewed like a bar code. Every set of three bases code for one building block of a protein. That's all that DNA is for: code for building proteins. A set of three bases is called a codon and tells machinery in the cell (ribosome) to add one specific building block to a forming protein. It's like Lego and DNA is the instructions that tell you which block to add next.

These different blocks give shape and function to the proteins it helps to build.

3 0
3 years ago
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