Answer:
Bicarbonate ion, HCO3- (which has a similar charge to chloride ions) also follow sodium ions into the blood. Also, potassium ions, K+ are transported into the nephron so some chloride ions and bicarbonate ions remains in the nephron to balance the charge.
Explanation:
Sodium is the primary positively charged electrolyte in extracellular fluid. Most of the solute reabsorbed in the proximal tubule is in the form of sodium bicarbonate and sodium chloride. Water is also reabsorbed in order to balance osmotic pressure
When sodium ions are reabsorbed into the blood, few of the substances that are transported with Na+ on the membrane facing the lumen of the tubules include Cl- ions, Ca2+ ions, amino acids, and glucose. Sodium is actively exchanged for K+ using ATP on the basal membrane.
In the distal convoluted tubule, K+ and H+ ions are selectively secreted into the filtrate, while Na+, Cl-, and HCO3- ions are reabsorbed to maintain pH and electrolyte balance in the blood.
Some chloride ions remains in the nephron to balance the charge of the secreted K+ ions and also due to the bicarbonate ions that are removed.
1. Answer;
It facilitates the movement of the fetus towards the pelvic girdle thus the child is born headfirst.
Explanation:
- During labor the pelvic floor facilitates movement of the fetus towards the pelvic girdle by resisting the descent of the presenting part. This makes the fetus to rotate forwards and therefore results in majority of the fetus being born headfirst.
2. Answer;
Purple pushing lead to development of pelvic floor problems.
Explanation
;
- Purple pushing involves the midwife instructing a woman to hold her breath for ten seconds while forcefully pushing down during a contraction.
- in the second stage instead of waiting for the mother to feel the instant urge of pushing which lead to development of pelvic floor problems.
3. Answer;
Exercise can help to strengthen the abdominal muscles and reduce the appearance of diastasis recti.
Explanation;
- By contracting transversal abs muscles they strengthen and pull the muscles inwards.
- The diastasis recti reduce with time due since the rectus muscles come close to each other enabling a human being to live a normal life because flexion, bending and stability becomes easy.
4. <u>Answer</u>
- Pelvic floor muscles
- Stomach muscles
- Abdominal muscles
- Perineal muscles
- Uterine muscles
<u>Explanation</u>
- Abdominal muscles are stretched to their limit by term. They greatly decrease the ability to perform strong contraction.
- Pelvic floor is vulnerable to muscular and neurological injury during labor and delivery.
- Perineal muscle tightening strengthens the pubococcygeus muscle and increases its tone.
5. Answer and explanation;
- Sports that can lead to falling down e.g. skating
- Sports that may involve altitude change
- Exercises that involve lying flat on your back
- Exercises that involve holding o breath
- Motionless standing
6. Answer
Yes
Explanation
;
- Exercise maintains physical fitness, health and wellness aiding growth to the unborn since the mother gains enough strength and energy and there is proper blood flow.
- Many pregnant women tend to gain weight which may lead to health difficulties for example struggling to breath. The pregnant lady is able to cope with labor and she is able to get back in shape after the baby is born.
7. <u>Answer</u>;
One is supposed to get up slowly and gradually to avoid dizziness.
<u>Explanation;</u>
- Dizziness happens after a tiresome activity done continuously for a period of time thus one should get up slowly and gradually to avoid other injuries like falling endangering the life of the unborn child.
Answer:
In the first stage of sexual reproduction, "meiosis", the number of chromosomes is reduced from a diploid number (2n) to a haploid number (n). During "fertilisation", haploid gametes come together to form a diploid zygote, and the original number of chromosomes is rest
Explanation:
Answer:
Whenever there's a decrease of blood flow to the kidney, ADH is secreted which trigger the kidneys to reabsorbed water from the urine.
Increase ADH secretion: low volume and highly concentrated urine
Decrease ADH secretion: high volume and poorly concentrated urine (diluted)
