Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
The vessels that carry blood to the heart from the lungs are?.
A. Sinusoids.
Sinusoids are a type of capillary found in some organs, not vessels that carry blood to the heart from the lungs.
B. Arteries.
Arteries typically carry oxygenated blood away from the heart to the body’s tissues, not to the heart from the lungs.
C. Veins.
Veins, specifically the pulmonary veins, carry oxygenated blood from the lungs to the heart.
D. Arterioles.
Arterioles are small branches of arteries that lead to capillaries, not vessels that carry blood to the heart from the lungs.
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Full Explanation
Choice A rationale:
Sinusoids are a type of capillary found in some organs, not vessels that carry blood to the heart from the lungs.
Choice B rationale:
Arteries typically carry oxygenated blood away from the heart to the body’s tissues, not to the heart from the lungs.
Choice C rationale:
Veins, specifically the pulmonary veins, carry oxygenated blood from the lungs to the heart.
Choice D rationale:
Arterioles are small branches of arteries that lead to capillaries, not vessels that carry blood to the heart from the lungs.
Similar Questions
The trachea branches into the:.
A. Primary bronchi, one to each lung.
The trachea divides into two primary bronchi, one for each lung.
B. Secondary bronchi, one to each lung.
The trachea does not directly branch into secondary bronchi. Choices C and D rationale: The trachea does not branch into an uneven number of bronchi for the right and left lungs.
C. Primary bronchi, two right and one left.
D. Secondary bronchi, two right and one left.
Full Explanation
Choice A rationale:
The trachea divides into two primary bronchi, one for each lung.
Choice B rationale:
The trachea does not directly branch into secondary bronchi. Choices C and D rationale: The trachea does not branch into an uneven number of bronchi for the right and left lungs.
In which lymphatic organ do T cells mature?.
A. Thymus.
T cells mature in the thymus.
B. Red bone marrow.
While red bone marrow is where all blood cells, including T cells, originate, T cells specifically mature in the thymus. Choices C and D rationale: Tonsils and the spleen are parts of the lymphatic system, but they are not where T cells mature. So, the correct answer is Choice A, after analyzing all choices.
C. Tonsils.
D. Spleen.
Full Explanation
Choice A rationale:
T cells mature in the thymus.
Choice B rationale:
While red bone marrow is where all blood cells, including T cells, originate, T cells specifically mature in the thymus. Choices C and D rationale: Tonsils and the spleen are parts of the lymphatic system, but they are not where T cells mature.
So, the correct answer is Choice A, after analyzing all choices.
What are the key functions of the lymphatic system?.
A. Immunity, absorption of fats and the maintenance of fluid balance.
The lymphatic system has many functions, including immunity, absorption of fats, and the maintenance of fluid balance. Choices B and C rationale: While the lymphatic system does play a role in immunity and maintaining fluid balance, these are not its only functions.
B. Immunity only.
C. Maintenance of fluid balance only.
D. Immunity and electrolyte balance.
The lymphatic system does not directly regulate electrolyte balance. So, the correct answer is Choice A, after analyzing all choices.
Full Explanation
Choice A rationale:
The lymphatic system has many functions, including immunity, absorption of fats, and the maintenance of fluid balance. Choices B and C rationale: While the lymphatic system does play a role in immunity and maintaining fluid balance, these are not its only functions.
Choice D rationale:
The lymphatic system does not directly regulate electrolyte balance.
So, the correct answer is Choice A, after analyzing all choices.