Answer:
Primary active transport
Explanation:
Active transport may be defined as the movement of particles against their concentration gradient with the help of an energy source like ATP. Two main types of active transport are secondary active transport and primary active transport.
Primary active transport includes the sodium potassium pump because it directly uses the stored chemical energy in the form of ATP. Three sodium moves out of the cell and two potassium moves inside the cell with the help of ATP.
Thus, the correct answer is option (a).
5x bRead the passage once silently. Then, reread it aloud while trying to read faster and more smoothly.
Write three to five sentences explaining any strategies you used and what new understanding you gained from the text as a result of reading it aloud.
Langerhans cells are dendritic cells (antigen-presenting immune cells) of the skin, and contain organelles called Birbeck granules. They are present in all layers of the epidermis and are most prominent in the stratum spinosum.
The urine volume would enhance if ADH was not added to the collecting duct. This is because the ADH works on the collecting ducts where the increase permeability for water is improved, so less water is perspired into the urine, so urine evolves more concentrated.
<h3>What happens to urine volume when ADH advances?</h3>
- ADH improves the permeability to water of the distal serpentine tubule and collecting duct, which is normally impervious to water. This effect causes heightened water reabsorption and retention and reduces the volume of urine produced comparable to its ion content.
- In SIADH, the body is unable to subdue the secretion of ADH, conducting to insufficient water excretion and reduced urine output. Normally, when water is ingested, serum tonicity and osmolality reduction, and ADH are quelled, resulting in an output of dilute (less concentrated) urine.
- A hormone that allows blood vessels narrow and helps the kidneys control the portion of water and salt in the body. This enables the control of blood pressure and the quantity of urine that is made. Antidiuretic hormone is made by a portion of the brain called the hypothalamus and is perspired into the blood by the pituitary gland.
To learn more about ADH advances, refer to:
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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).
