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storchak [24]
3 years ago
7

ii. True or False: Estimates of body composition obtained with dual-energy x-ray absorptiometry need to be interpreted with part

icular caution in individual whose disease states are associated with substantial fluid retention.
Biology
1 answer:
Bogdan [553]3 years ago
7 0

Answer: True

 

Explanation:

The dual energy x-ray absorptimetry is a technique that is used for measuring the bone mineral density. This technique utilizes the two X-ray beams with different levels of energy. The soft tissues are subtracted in this procedure and the beam is absorbed by the bone. This technique is useful for diagnosis of osteoporosis, to check and diagnose the infected, fractured and healing bones.

Fluid retention is a condition in which excess fluid due to capillary leakage or any other reason fills up inside the circulatory system, body tissues and cavities. The following symptoms will appear:

Discolored skin, aches and tenderness in the limbs, stiffness in joints and weight gain.

The retained excess fluid may react with the X-ray beam hence, will interfere in the process of diagnosis. Thus caution should be taken for such individuals.

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During a ________ moon, we see one whole side of the Moon here on Earth.
Vinil7 [7]
The answer is Crescent. 
<span>During a crescent moon, we see one whole side of the Moon here on Earth.
</span>

<span>New moon              -</span><span> the illuminated side of the Moon is away from the Earth. only  the shadowed side can be seen. </span>

><span>Waning gibbous    - </span><span>the Moon is less than fully illuminated, but, is more than half.</span>

<span>>Full Moon            - Brightest lunar phase.</span>

7 0
3 years ago
Read 2 more answers
Under certain circumstances, potassium ions ( K + ) in a cell will move across the cell membrane from the inside to the outside.
dexar [7]

Answer:

8.18 × 10 ⁻²¹.

Explanation:

The potential energy may be defined as the energy stored in the rest objects. This energy is important for the maintenance of the concentration gradient in the cell.

The change in the potential energy can be calculated as follows:

W = v2-v1 × q.

Here, the charge of the proton is considered because k+ ions has been used.

W= 0 - ( - 70. 5 mV) × 1.602 * 10^-19 C.

W= 8.18 × 10 ⁻²¹J.

Thus, the answer is 8.18 × 10 ⁻²¹.

5 0
3 years ago
1. What season would it be in the northern
Mekhanik [1.2K]
Northern hemisphere : Summer because it is tilted towards the sun.

Southern Hemisphere : Winter because it is tilted away from the sun.
8 0
3 years ago
The synapse is typically located between the _____ of the first (sending) neuron and the _____ of the second (receiving) neuron.
uysha [10]

Answer:

axon; dendrite

Explanation:

A neuron has three main parts. These are axons, dendrites, and a cell body. Synapse is the site of communication between two neurons. The first neuron of a synapse is called the presynaptic neuron (sending neuron) while the second one is called the postsynaptic neuron (receiving). The axon of the presynaptic neuron and the dendrites of the postsynaptic neuron communicate with each other at the synapse as the axon of the first neuron delivers the nerve impulse away from the cell body.

Dendrites function as the receiving or input portions of a neuron. The plasma membranes of dendrites have numerous receptor sites for binding chemical messengers from the presynaptic neuron.

7 0
3 years ago
How can you distinguish between animal and plant cells under the microscope?
IRISSAK [1]

Answer:

the shape

Explanation:

If it’s round it would be animal and if it’s square-like it would be plant cell. Hope this helps!

4 0
2 years ago
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