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Gala2k [10]
2 years ago
13

HELP PLEASE AND FAST!

Medicine
1 answer:
netineya [11]2 years ago
8 0

Answer:

The answer is A. Bilateral symmetry involves the division of the animal through a sagittal plane, resulting in two mirror-image, right and left halves, such as those of a butterfly, and a human body

Explanation:

Hope this helps. Have an Amazing Day!!

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How to calculate the heart rate from the electrocardiogram ?​
Masja [62]

Answer:

ECG paper is a grid where time is measured along the horizontal axis.

Each small square is 1 mm in length and represents 0.04 seconds.

Each larger square is 5 mm in length and represents 0.2 seconds.

Voltage is measured along the vertical axis.

10 mm is equal to 1mV in voltage.

The diagram below illustrates the configuration of ECG graph paper and where to measure the components of the ECG wave form

Heart rate can be easily calculated from the ECG strip:

When the rhythm is regular, the heart rate is 300 divided by the number of large squares between the QRS complexes.

For example, if there are 4 large squares between regular QRS complexes, the heart rate is 75 (300/4=75).

The second method can be used with an irregular rhythm to estimate the rate. Count the number of R waves in a 6 second strip and multiply by 10.

For example, if there are 7 R waves in a 6 second strip, the heart rate is 70 (7x10=70).

3 0
3 years ago
The least used measuring parameter for dosage calculations is?
Mashutka [201]
The least used measuring parameter for dosage calculations would be— length.
3 0
3 years ago
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A patient' visual acuity was tested using a Snellen chart. The results indicated that her vision was 20/50. What does this resul
Kamila [148]

Answer:

It is a vision that is close to normal, if in the optometric revision improves with the use of the pinhole more than three lines, the problem may be of the refractory type; If this is not corrected, it can be concluded that there is a disease.

5 0
3 years ago
What structure is resposible for producing the hair follicle
grandymaker [24]

Answer: The Papilla

Explanation:

Google helped me lol

4 0
3 years ago
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During which stage of labor does effacement of the cervix occur?
fenix001 [56]

Answer:

a. dilation stage

Explanation:

Dilation stage -

The phase in the pregnancy ,

Cervix is present in the bottom portion of the uterus , this area opens when the  women delivers a baby via vagina , is called the process of cervical dilation .

During the process of labor , the cervix opens up to release the head of the baby , which opens up to 10 centimeters , and the process is done automatically in most of the cases .

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3 years ago
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