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Ray Of Light [21]
3 years ago
6

All of the following methods of contraception carry the risk of failure, except:

Medicine
2 answers:
Viefleur [7K]3 years ago
8 0
C) abstinence is the correct answer
Stella [2.4K]3 years ago
7 0

Answer:

abstinence

Explanation:

abstinence is literally not having sex. you can't have sex by not having sex.

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Compare the two theories of color perception are they completely different
galben [10]
We do not see the world in black and white; neither do we see it as two-dimensional (2-D) or flat (just height and width, no depth). Let’s look at how color vision works and how we perceive three dimensions (height, width, and depth).
Color Vision
Normal-sighted individuals have three different types of cones that mediate color vision. Each of these cone types is maximally sensitive to a slightly different wavelength of light. According to the trichromatic theory of color vision, shown in Figure 1, all colors in the spectrum can be produced by combining red, green, and blue. The three types of cones are each receptive to one of the colors.
The trichromatic theory of color vision is not the only theory—another major theory of color vision is known as the opponent-process theory. According to this theory, color is coded in opponent pairs: black-white, yellow-blue, and green-red. The basic idea is that some cells of the visual system are excited by one of the opponent colors and inhibited by the other. So, a cell that was excited by wavelengths associated with green would be inhibited by wavelengths associated with red, and vice versa. One of the implications of opponent processing is that we do not experience greenish-reds or yellowish-blues as colors. Another implication is that this leads to the experience of negative afterimages. An afterimage describes the continuation of a visual sensation after removal of the stimulus. For example, when you stare briefly at the sun and then look away from it, you may still perceive a spot of light although the stimulus (the sun) has been removed. When color is involved in the stimulus, the color pairings identified in the opponent-process theory lead to a negative afterimage. You can test this concept using the flag in Figure 2.
But these two theories—the trichromatic theory of color vision and the opponent-process theory—are not mutually exclusive. Research has shown that they just apply to different levels of the nervous system. For visual processing on the retina, trichromatic theory applies: the cones are responsive to three different wavelengths that represent red, blue, and green. But once the signal moves past the retina on its way to the brain, the cells respond in a way consistent with opponent-process theory (Land, 1959; Kaiser, 1997).
Depth Perception
Our ability to perceive spatial relationships in three-dimensional (3-D) space is known as depth perception. With depth perception, we can describe things as being in front, behind, above, below, or to the side of other things.

Our world is three-dimensional, so it makes sense that our mental representation of the world has three-dimensional properties. We use a variety of cues in a visual scene to establish our sense of depth. Some of these are binocular cues, which means that they rely on the use of both eyes. One example of a binocular depth cue is binocular disparity, the slightly different view of the world that each of our eyes receives.
A 3-D movie works on the same principle: the special glasses you wear allow the two slightly different images projected onto the screen to be seen separately by your left and your right eye.
Although we rely on binocular cues to experience depth in our 3-D world, we can also perceive depth in 2-D arrays. Think about all the paintings and photographs you have seen. Generally, you pick up on depth in these images even though the visual stimulus is 2-D. When we do this, we are relying on a number of monocular cues, or cues that require only one eye. If you think you can’t see depth with one eye, note that you don’t bump into things when using only one eye while walking—and, in fact, we have more monocular cues than binocular cues.
An example of a monocular cue would be what is known as linear perspective. Linear perspective refers to the fact that we perceive depth when we see two parallel lines that seem to converge in an image (Figure 3).
Vision is not an encapsulated system. It interacts with and depends on other sensory modalities. For example, when you move your head in one direction, your eyes reflexively move in the opposite direction to compensate, allowing you to maintain your gaze on the object that you are looking at. This reflex is called the vestibulo-ocular reflex. It is achieved by integrating information from both the visual and the vestibular system (which knows about body motion and position). You can experience this compensation quite simply.
Finally, vision is also often implicated in a blending-of-sensations phenomenon known as synesthesia.

SORRY ITS A LONG ANSWER!!!
3 0
3 years ago
Scientific anti-realism is the view that science does not claim objects like electrons actually exist. They are just a fictional
enot [183]

Answer: This view fits best with "THE PRAGMATIC THEORY OF TRUTH".

Explanation: The pragmatic theory of truth states that something or a statement can be true, if only it have been tested and practice to be true. It means that truth can only be verified by experimenting ones belief or concept.

For science to use electron which is believed doesn't physically exist to explain concept that physically exist, that means the truth of the existence of an electron has has been tested and has gone through practicals, which shows that electron exist. The pragmatic theory of truth proves the existence of an electron to be true because it has been proven and tested to be true, using some physical principle, even though it has not been physically seen. Many scientific theories uses pragmatic theory of truth, to stand it's statement to be truth.

7 0
3 years ago
Which of the following is a risk of skipping health screenings?
denis-greek [22]
A. late diagnosis is the right answer
simple, hope i helped :)
8 0
3 years ago
Read 2 more answers
a patient is being seen today for a crown preparation on tooth 29/45. because of the location of the crown, what type of provisi
Anton [14]
The major criteria for custom provisional fabrication is done by making preliminary impression and by making a cast preparation prior to tooth preparation. These steps are essential to fabrication process.
6 0
3 years ago
When caring for a patient with a central line who is receiving tpn, what is the most important action on the part of the nurse t
valkas [14]

The most important action that the nurse has to take in order to avoid the development of clabsi in the patient is to ensure that as much as possible, people do not touch the catheter.

<h3>What is TPN?</h3>

The term TPN is an acronym that stands for Total Parenteral Nutrition. It involves the use of an IV line to introduce nutrition into the body of a person due to the inability of the person to take in food in the usual manner which is through the month.

Now there are certain precautions that the nurse must take to ensure that the patient does not have clabsi. The most important action that the nurse has to take in order to avoid the development of clabsi in the patient is to ensure that as much as possible, people do not touch the catheter.

Learn more about TPN:brainly.com/question/14441886

#SPJ1

5 0
1 year ago
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