Which of the following does not have potentially teratogenic effects?
Smoking
Alcohol
Infectious diseases
Sunlight
X-rays
The Correct Answer is D
A. Smoking: Correctly known to be teratogenic; can lead to low birth weight, preterm birth, and other anomalies.
B. Alcohol: Highly teratogenic; causes fetal alcohol spectrum disorders.
C. Infectious diseases: Examples like rubella and Zika are known teratogens.
D. Sunlight: Normal sunlight exposure is not teratogenic; only excessive UV exposure may pose skin risks, not fetal deformities.
E. X-rays: Ionizing radiation is teratogenic, especially in early pregnancy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is E
Explanation
A. Fluid sequestration in the upper limbs: Not typically a physiological response to cold.
B. Hypotonic hydration: Occurs when too much water dilutes body fluids, usually from overhydration, not cold exposure.
C. Hypervolemia: This is fluid overload, unlikely in cold exposure without excess intake.
D. Increased sensible water loss: Sensible water loss refers to loss via urine or sweat—sweating is reduced in cold environments.
E. Increased respiratory water loss: Cold, dry air increases insensible water loss via respiration due to humidification of inspired air.
Correct Answer is B
Explanation
A. It participates in muscle contraction: Calcium binds to troponin, enabling contraction.
B. It is a significant component of nucleic acids: Calcium is not a structural part of DNA or RNA; phosphate is.
C. They serve as second messengers: Calcium ions act as second messengers in various signaling pathways.
D. It activates exocytosis: Calcium triggers neurotransmitter and hormone release by promoting vesicle fusion.
E. It is important in blood clotting: Calcium is essential for several steps in the coagulation cascade.
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.