Between weeks 3 and 8 of development, a developing individual is considered a
trophoblast
zygote
blastocyst
embryo
fetus
The Correct Answer is D
A. Trophoblast: Part of the blastocyst that contributes to placenta formation, not the whole developing individual.
B. Zygote: Single-cell stage immediately after fertilization.
C. Blastocyst: The hollow ball of cells that implants around day 6–7; occurs before week 3.
D. Embryo: The developing human is called an embryo from week 3 through week 8. This is when organ systems begin to form.
E. Fetus: The term "fetus" applies after week 8, when organogenesis is largely complete.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Baroreceptors: Sense blood pressure changes, not osmolarity or thirst.
B. Proprioceptors: Detect body position and movement; unrelated to fluid balance.
C. Nociceptors: Detect pain; not involved in fluid regulation.
D. Osmoreceptors: Located in the hypothalamus, they detect changes in blood osmolarity and stimulate thirst when osmolarity rises.
E. Mechanoreceptors: Respond to mechanical changes like pressure or stretch, not osmolarity.
Correct Answer is {"dropdown-group-1":"B"}
Explanation
A. Lymph nodes: Lymph nodes do undergo some changes with age but not as dramatically as the thymus.
B. Thymus: The thymus undergoes involution after puberty, shrinking in size and being replaced largely by fat, which significantly reduces T-cell production.
C. Spleen: While some function may decline with age, the spleen does not undergo the same marked involution as the thymus.
D. Pharyngeal tonsils: The tonsils may atrophy slightly with age, but the effect is less pronounced than with the thymus.
E. Appendix: The appendix may reduce in lymphoid tissue over time but does not exhibit the same profound involution.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.