ATI RN
Multiple Choice Questions on Cells Tissues and Organs Questions
Question 1 of 5
Atrophy refers to
Correct Answer: B
Rationale: Atrophy is the reduction in size or mass of tissues or organs due to cell loss or shrinkage.
Question 2 of 5
The eight amino acids that cannot be formed in the body from other amino acids are referred to as the:
Correct Answer: D
Rationale: Essential amino acids must be obtained from the diet as the body cannot synthesize them.
Question 3 of 5
During protein synthesis, amino acids become linked together in a linear chain by:
Correct Answer: B
Rationale: Peptide bonds (covalent) link amino acids into polypeptides during protein synthesis.
Question 4 of 5
A transfer RNA has the anticodon sequence UAC. With which codon in the following messenger RNA will it pair?
Correct Answer: D
Rationale: tRNA anticodon UAC pairs with mRNA codon AUG (complementary base pairing).
Question 5 of 5
An infection would most likely increase activity in:
Correct Answer: D
Rationale: Reticular tissue (in lymph nodes/spleen) supports immune cells active during infections.