Hematopoietic tissue can be found in the:
heart.
lungs.
bones.
intestines.
The Correct Answer is C
A. heart: The heart consists primarily of cardiac muscle tissue and is responsible for pumping blood, not producing it.
B. lungs: The lungs are the site of gas exchange between the air and the blood.
C. bones: Red bone marrow is hematopoietic tissue, meaning it is the primary site for the formation of all blood cells (red, white, and platelets).
D. intestines: The intestines are involved in the digestion and absorption of nutrients into the bloodstream.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. sodium: While some sodium leaks in, the resting membrane is significantly less permeable to sodium than to potassium.
B. potassium: The resting neuronal membrane has "leaky" channels that are specifically permeable to K + , allowing it to diffuse out down its concentration gradient.
C. proteins: Intracellular proteins are large, negatively charged molecules that cannot cross the membrane.
D. phosphate: Like proteins, phosphate ions are trapped inside the cell and cannot diffuse across the resting membrane.
Correct Answer is C
Explanation
A. osteoclasts: These cells are responsible for the resorption (breakdown) of bone matrix.
B. osteons: These are structural units of compact bone, not individual cells.
C. osteoblasts: Osteoblasts are the cells that actively synthesize and secrete the organic components of the bone matrix.
D. osteocytes: These are mature bone cells that reside within the matrix to maintain it, but they no longer actively secrete it.
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