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lana66690 [7]
3 years ago
15

You were asked to assist in a surgical operation on a young patient to treat an ulcer in the first part of the duodenum. You wou

ld expect that the surgeon will approach the ulcer by doing an anterior abdominal wall incision in the following region: A. EpigastricB. Left inguinalC. Left lumbarD. Right hypochondrialE. Hypogastric
Medicine
1 answer:
mafiozo [28]3 years ago
6 0

Answer:

A. Epigastric

Explanation:

Epigastric

In the nine region of the abdomen , one of it is the epigastric region .

It have the part of the stomach , the duodenum , the pancreas and part of the liver .

This region is where the surgeon need to get in , in order to reach the ulcer in the very first part of the duodenum .

Hence , from the given option , the correct option is the  Epigastric  .

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Which type of stress, mental or physical, provided the most change in cardiovascular readings?
Alenkinab [10]

Answer:

Mental stress provide most change in the cardiovascular readings .

Explanation:

Mental stress -

Mental stress influences most of the change in cardiovascular system. During mental stress, the body releases cortisol and adrenaline. These are the fight hormones secreted from adrenal gland. They will increase the heart rate and blood pressure to fulfill the extra need in response to stress. Prolonged secretion of such hormone may lead to cardiovascular dysfunctions.  

However, physical stress is also harmful for CVS and does make changes. but physical stress tends to get over once the activity is ceased.

Mental stress has prolonged cardiovascular risks .

4 0
3 years ago
Explain musclecontraction based on neuroelectrical factors, chemical interactions, and energy sources.
USPshnik [31]

Answer:

Neuroelectrical Factor

1. Potassium ions (K+) are greater inside the muscle cell than outside, whereas sodium ions (Na+) are greater outside than inside.

2. The inside of the cell is negatively charged electrically, whereas the outside is postively charged.

3. Nerve impulse reaching a neuromuscular junction causes axon endings to release the neurotransmitter acetylcholine

4. This makes the cell membrane permeable to Na+. They rush in creating an electrical potential. K+ begin to move out to try to restore the resting potential but cannot do so because so much Na+ rushes in.

5. This causes the muscle cell to generate its own impulse called the action potential, which penetrates deep into the muscle fiber via the T tubules

6. This action potential causes the sarcoplasmic reticulum to release Ca+ into the fluids surrounding the myofibrils

7. The Ca++ stops the action of the inhibitor substances troponin and tropomyosin (which kept actin and myosin apart), thus causing the contractile process to occur.

Chemical Factor

1. Ca++ combines loosely with myosin to form activated myosin

2. Activated myosin reacts with ATP, attached to the myosin, and releases energy from the ATP to form actomyosin

3. Myosin filaments have cross bridges that now connect with the actin and pull the actin filaments in among the myosin filaments

4. A sliding process occurs: the width of the A bands remain constant but Z lines move close. By now the sodium-potassium pump kicks in to restore the resting potential. Ca++ gets reabsorbed and contraction ceases

Energy Sources ATP

1. Glycolysis: glucose to pyruvic acid, net gain eight ATP if O2 present, if no O2 then lactic acid forms with net gain of two ATP.

2. Krebs citric acid cycle: pyruvic to CO2 + H2O + 30 ATP (28 ATP + 2 GTP)

3. Phosphocreatine in muscle cells: phosphocreatine --- creatine + PO4 ---ATP

4. Free fatty acids: fatty acids --- CO2 + H2O + ATP

Explanation:

8 0
3 years ago
Which medical specialty has a shortage of physicians
harina [27]

Answer:

The range of physician shortages projected by 2033 include the following: Primary care -- between 21,400 and 55,200 physicians Nonprimary care specialties – between 33,700 and 86,700 physicians Surgical specialties – between 17,100 and 28,700 physicians

Explanation:

8 0
2 years ago
a client is hospitalized 3 days prior to a total hip arthroplasty and reports a high level of pain with ambulation. the client h
Liono4ka [1.6K]

Administer the prescribed enoxaparin (Lovenox).

  • The anticoagulant enoxaparin sodium is sold under brand names such as Lovenox. It is used to treat and prevent pulmonary embolism and deep vein thrombosis, especially during pregnancy and after some types of surgery.
  • Heart attacks and acute coronary syndromes are also treated. A prescription drug called Lovenox is used to treat and prevent signs and symptoms of chest pain and blood clots (deep vein thrombosis or DVT) (angina). Lovenox can be taken alone or with other medicines.
  • Lovenox belongs to a class of drugs known as cardiovascular and blood anticoagulants. Tell your doctor if you have side effects that bother you or that don't go away.

Therefore, enoxaparin must be injected in such cases.

Learn more about blood clots:

brainly.com/question/1501224

#SPJ4

5 0
1 year ago
What do we call an anxiety disorder marked by a persistent, irrational fear and avoidance of a specific object, activity, or sit
erastova [34]

Answer:

A specific phobia is an intense, persistent, irrational fear of a specific object, situation, or activity, or person. Usually, the fear is proportionally greater than the actual danger or threat.

8 0
2 years ago
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