Which of the following is associated with moles, freckles, and vitiligo?

Bilirubin

Carotene

Keratin

Melanin

Answer and Explanation

The Correct Answer is D

A. Bilirubin: Bilirubin is a yellow pigment derived from the breakdown of red blood cells, associated with jaundice rather than freckles or moles.

B. Carotene: Carotene is an orange pigment found in foods like carrots and can contribute to skin tone but is not the main factor in moles or vitiligo.

C. Keratin: Keratin is a structural protein found in skin, hair, and nails but does not influence pigmentation.

D. Melanin: Melanin is the pigment responsible for skin color, moles, freckles, and conditions like vitiligo, which causes depigmentation.

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Correct Answer is B

Explanation

A. Sterile sheets pull water out of the burn site: Sterile sheets help maintain a clean environment but do not significantly draw fluids from the wound.

B. The loss of skin causes the loss of large amounts of body fluid: Third-degree burns destroy the skin barrier, leading to severe fluid loss due to increased capillary permeability, which results in fluid shifts and hypovolemic shock.

C. He is thirsty: While burn patients may feel thirsty due to dehydration, IV fluids are given to restore lost fluids, not just to satisfy thirst.

D. He has not had anything to drink since the accident: Oral hydration is not sufficient in severe burn cases due to the large fluid loss and the need for rapid replacement through IV fluids.

A. Simplest form of proteins: amino acids B. Monosaccharide: glucose C. Simplest form of lipids: fatty acids D. Amino acids: sucrose, lactose

Correct Answer is D

Explanation

A. Simplest form of proteins: amino acids: Proteins are broken down into amino acids, their simplest form.

B. Monosaccharide: glucose: Glucose is a monosaccharide, meaning a simple sugar unit.

C. Simplest form of lipids: fatty acids: Lipids are broken down into fatty acids, their simplest form.

D. Amino acids: sucrose, lactose: Amino acids are the building blocks of proteins, whereas sucrose and lactose are carbohydrates (disaccharides), making this group incorrect.

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Which of the following is associated with moles, freckles, and vitiligo?

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Naxlex Comprehensive Predictor Exams

Kevin suffered third degree burns over both lower extremities. On admission to the hospital, he was given large amounts of fluid intravenously and placed on sterile sheets. The nurse knows the primary reason that Kevin requires large amounts of intravenous fluids is which of the following?

Correct Answer is B

Explanation

Which group is incorrect?

Correct Answer is D

Explanation

Adipose tissue is:

A patient is having an office visit with their physician. The physician notes the patient's fasting blood sugar is 106mg/dL, which is considered prediabetic. The nurse who is assisting the physician knows they must be prepared to teach the patient which of the following? (Select all that apply)

Lipids are needed by the body: (Select all that apply)

Which layer of the skin stores fats, cushions body, and helps regulate body temperature?

Which is the only type of muscle tissue that is voluntary?

Which of the following is true of glucose? Glucose: (Select all that apply)

Which is the most serious form of skin cancer?

A diabetes mellitus (DM) client's blood sugars are very high. The cells can not get glucose, so the body uses fats, as it's energy source, causing high levels of fatty acids. What does the nurse know that this condition will do to the person's normal blood pH? (Select all that apply)