Which of the following would probably be caused by defective lysosomes?
the cell would not be able to undergo mitosis
the cell would become filled up with junk and die
the cell would not be able to detoxify alcohol and would die
the cell would not be able to move and would die
the cell would not be able to produce energy and would die
The Correct Answer is B
A. the cell would not be able to undergo mitosis: Lysosomes are not required for mitosis. That’s handled by microtubules and centrosomes.
B. the cell would become filled up with junk and die: Lysosomes contain digestive enzymes to break down waste. If defective, cellular debris accumulates, which can lead to cell death (as in lysosomal storage diseases).
C. the cell would not be able to detoxify alcohol and would die: Peroxisomes, not lysosomes, detoxify alcohol.
D. the cell would not be able to move and would die: Cell movement involves cytoskeleton elements like actin and microtubules, not lysosomes.
E. the cell would not be able to produce energy and would die: Mitochondria, not lysosomes, produce cellular energy (ATP).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Anterior:
This means “front” of the body in general, but is too broad and non-specific. The abdomen is located on the anterior side, but “ventral” is the more precise term in this context.
B. Distal:
Means farther from the point of attachment; applies to limbs, not the torso/abdomen.
C. Ventral:
The ventral cavity includes the thoracic and abdominopelvic cavities. A shot to the abdomen involves the ventral aspect of the body.
D. Brachial:
Refers to the upper arm area – unrelated to the abdomen.
E. Proximal:
Means closer to the point of attachment; again, more relevant to limbs.
Correct Answer is A
Explanation
A. positively charged; cations: Sodium (Na), potassium (K), and calcium (Ca) are metals that lose electrons, becoming positively charged ions, called cations.
B. negatively charged; cations: Cations are always positive. A negative ion is an anion.
C. positively charged; anions: The term anion refers to a negatively charged ion, not a positive one.
D. negatively charged; anions: These elements do not gain electrons-they lose them and do not become anions.
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