iron is a component of which of the following proteins responsible for transport of oxygen in the bloodstream
Logo

Nursing Elites

ATI RN

Proctored Nutrition ATI

1. Which of the following proteins is iron a component of, responsible for the transport of oxygen in the bloodstream?

Correct answer: A

Rationale: The correct answer is A: hemoglobin. Hemoglobin is the protein found in red blood cells that is responsible for carrying oxygen from the lungs to the rest of the body. Iron is a crucial component of hemoglobin, binding to oxygen and allowing for its transport. Choice B, transferrin, is involved in iron transport in the blood but not in oxygen transport. Choice C, myoglobin, is a protein found in muscle cells that stores oxygen for muscle use, not transportation in the bloodstream. Choice D, hepcidin, is a peptide hormone that regulates iron absorption in the intestines and iron distribution in the body, but it is not directly involved in oxygen transport.

2. A nurse is caring for a client who has a body mass index (BMI) of 30. Four weeks after nutritional counseling, which of the following evaluation findings indicates the plan of care was followed?

Correct answer: D

Rationale: A weight loss of 2.7 kg in four weeks indicates effective adherence to a nutritional plan aimed at reducing body mass index (BMI), moving towards a healthier weight. Choices A, B, and C are incorrect because a decrease in weight, as shown in choice D, is the desired outcome when managing a client with a BMI of 30 to reach a healthier range.

3. Which enzyme digests fiber in the large intestine?

Correct answer: D

Rationale: The correct answer is 'none of the above.' Human digestive enzymes like salivary amylase and pancreatic amylase cannot digest fiber. Instead, fiber is fermented by gut bacteria in the large intestine. Cellulase, which is an enzyme produced by some animals and microorganisms, can break down cellulose found in plants, but it is not a human digestive enzyme, making it an incorrect choice in this context.

4. How is the stomach protected from damage by gastric acid?

Correct answer: D

Rationale: The correct answer is D. The stomach is protected from gastric acid by a thick mucus lining that acts as a physical barrier, preventing the acid from eroding the stomach walls. Enzymes in the stomach help with digestion but do not play a significant role in protecting the stomach from acid damage, so choice A is incorrect. While some bacteria in the stomach can be beneficial, they do not primarily protect the stomach from gastric acid, making choice B incorrect. Bicarbonate, a base, can neutralize acid, but it is not the primary defense mechanism against gastric acid in the stomach, so choice C is also incorrect.

5. The psychosocial task of a 55 year old adult client is:

Correct answer: B

Rationale: Nursing interventions should be grounded in a deep understanding of the physiological processes involved, ensuring that care provided is both effective and efficient.

Similar Questions

In teaching the sister of a diabetic client about the proper use of a glucometer in determining the blood sugar level of the client, The nurse is focusing in which domain of learning according to bloom?
A common comorbidity in patients with Chronic Kidney Disease (CKD) is:
Each nonnutritive sweetener can be recommended to patients with phenylketonuria, except one. Which one is the exception?
Why do older adult female clients need less iron than younger adult female clients?
Which team member works with the client to evaluate the need for special feeding devices and then teaches the client how to use the device?

Access More Features

ATI RN Basic
$69.99/ 30 days

  • 5,000 Questions with answers
  • All ATI courses Coverage
  • 30 days access

ATI RN Premium
$149.99/ 90 days

  • 5,000 Questions with answers
  • All ATI courses Coverage
  • 30 days access

Other Courses