assimilation is
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Nursing Elites

ATI RN

ATI Anatomy and Physiology Online Practice

1. What is assimilation?

Correct answer: changing absorbed substances into different chemical forms

Rationale: Assimilation is the process of changing absorbed substances into different chemical forms. It occurs after nutrients from food are absorbed into the bloodstream and used by the body. Choice B, breaking down foods into nutrients that the body can absorb, refers to the process of digestion rather than assimilation. Choice C, eliminating waste from the body, describes the process of excretion. Choice D, an increase in body size without a change in overall shape, does not accurately define assimilation.

2. After experiencing several months of worsening nocturia, a patient has been assessed for benign prostatic hypertrophy (BPH) and has begun drug treatment. In addition to nocturia, what other sign or symptom is most likely to accompany BPH?

Correct answer: A

Rationale: The correct answer is hematuria. Hematuria, which is the presence of blood in the urine, is a common sign associated with benign prostatic hypertrophy (BPH). It can occur due to irritation or damage to the prostate tissue. While urinary frequency and erectile dysfunction can also be seen in BPH patients, hematuria is more specifically linked to prostate issues. Flank pain is not typically a direct symptom of BPH.

3. What does a QRS Complex represent in an ECG reading?

Correct answer: C: Ventricular depolarization

Rationale: The QRS Complex in an ECG reading represents ventricular depolarization, which is the process of the heart's ventricles preparing to contract by changing the electrical charge in the cell, hence choice 'C' is the correct answer. Choice 'A' is incorrect because atrial depolarization is represented by the P wave in an ECG reading, not the QRS Complex. Choice 'B' is incorrect as ventricular repolarization is depicted by the T wave, not the QRS Complex. Finally, choice 'D' is also incorrect because the QRS Complex is not the end of ventricular depolarization, but the process itself.

4. The nurse assesses a wound with exudate. What should not be included when documenting the exudate?

Correct answer: Heat

Rationale:

5. What stimulates bile secretion from the liver to the small intestine?

Correct answer: CCK

Rationale: Cholecystokinin (CCK) is the hormone that stimulates the release of bile from the gallbladder into the small intestine, aiding in fat digestion. Pepsin is an enzyme in the stomach that breaks down proteins into smaller peptides, not involved in bile secretion. Salivary Amylase is an enzyme in saliva that initiates starch digestion in the mouth, not related to bile secretion. Secretin is a hormone that regulates the release of gastric juice in the stomach and triggers the pancreas to neutralize stomach acid in the small intestine, but it does not stimulate bile secretion.

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