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marysya [2.9K]
3 years ago
15

Beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastol

e of the atria and ventricles. For each time point in the cycle you select, state the following:
Whether the atria and ventricles are contracting or relaxing
Whether the AV valves and semilunar valves are closed or open Whether the pressure in the atria and ventricles is high or low.
Medicine
1 answer:
noname [10]3 years ago
4 0

Answer:

The second one

Explanation:

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1. The nurse is teaching a group of students about the differences between a full-term newborn and a preterm newborn. The nurse
andreyandreev [35.5K]

The nurse determines that the teaching is effective when the students state that the preterm newborn has greater surface area in proportion to weight. The correct option is D.

<h3>What is a preterm newborn?</h3>

Preterm babies are those born early before the 37th week of pregnancy. Preterm birth is split into subcategories based on gestational age: exceptionally premature less than 28 weeks extremely premature 28 to 32 weeks

Premature babies may experience more health problems at conception and later in life than full-term babies.

Premature babies are more likely to have long-term intellectual and developmental disabilities, as well as issues with their lungs, brain, eyes, and other organs.

When the educators state that the preterm newborn has a larger surface area in proportion to weight, the nurse knows the teaching is effective.

Thus, the correct option is D.

For more details regarding preterm newborn, visit:

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Your question seems incomplete, the missing options could be:

  • A)Fewer visible blood vessels through the skin
  • B)More subcutaneous fat in the neck and abdomen
  • C)Well-developed flexor muscles in the extremities
  • D)Greater surface area in proportion to weight
3 0
2 years ago
8) What is the following, the sequence of blood vessels, which are ordered from the HIGHEST to the LOWEST cross-sectional area?
8_murik_8 [283]

Answer:

d

Explanation:

8 0
3 years ago
Read 2 more answers
a baby who is given custodial care but is not getting held or receiving adequate stimulation, may suffer from .
Yuki888 [10]

a baby who is given custodial care but is not getting held or receiving adequate stimulation, may suffer from - is a False statement.

<h3>What is Adequate stimulation ?</h3>

A sensory receptor's ability to respond to a certain sort of energy with the start of sensory transduction is known as the sufficient stimulus. Sensory receptors are trained to react to particular stimuli.

  • A sensory receptor's ability to respond to a physical or chemical stimulation at the lowest attainable intensity is known as an adequate stimulus (energy).
  • The type and amount of energy needed to stimulate a particular sensory organ is the appropriate stimulus. Numerous sensory stimuli are divided into groups based on how they work and what they're used for. The body's sensory receptors are normally designed to react to a single input.

To know more about Adequate stimulation please click here ; brainly.com/question/14570151

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6 0
1 year ago
As pressure in the aorta rises due to atherosclerosis, more ventricular pressure is required to open the aortic valve.
Luda [366]

Answer:

The answer is A true

Explanation:

The accumulation of atheroma plaque on the wall of the aorta leads to a stiffness of the aorta, which makes the intraluminal pressure greater, which is reflected in a greater force that the ventricle has to make to eject the blood to the aorta.

8 0
3 years ago
The placenta not only serves as an organ of exchange but also secretes all of the following hormones, EXCEPT
Artemon [7]

Answer: Prolactin

Explanation:

The placenta is an endocrine gland that is present in the women's body during the time of pregnancy.

When a women is pregnant there is a connecting link in between the child and mother that transfers nutrients to the fetus and carries waste materials from the body of the fetus to mother's body.

Placenta also releases some hormones which includes Chorionic gonadotropin, estrogen, placental lactogen, progestrone.

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3 years ago
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