Developing organs and body systems are highly susceptible to teratogens, which can cause major abnormalities. These teratogens usually fall into one of three categories: (Select all that apply.)
Hormonal imbalances
Chemicals
Environmental
Emotional stress
Infections
Physical trauma
Correct Answer : B,C,E
A. Hormonal imbalances – Incorrect; while maternal hormones can impact fetal growth, they are not classified as teratogens.
B. Chemicals – Correct; drugs, alcohol, and toxins (e.g., thalidomide, lead, mercury) can cause birth defects.
C. Environmental – Correct; radiation and pollutants can affect fetal development.
D. Emotional stress – Incorrect; while stress affects pregnancy outcomes, it is not classified as a teratogen.
E. Infections – Correct; infections such as rubella, toxoplasmosis, and syphilis can cause severe congenital abnormalities.
F. Physical trauma – Incorrect; trauma can harm the fetus but is not a teratogen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Halfway between the symphysis pubis and the umbilicus. – Correct; at 16 weeks, the fundus is typically midway between the symphysis pubis and the umbilicus.
B. Just above the pubic bone – Incorrect; the fundus is at the pubic symphysis at 12 weeks, not 16 weeks.
C. The uterus would not be palpable at 16 weeks – Incorrect; the uterus is palpable by 12 weeks and grows above the symphysis pubis as pregnancy progresses.
D. At the umbilicus – Incorrect; the fundus reaches the umbilicus at 20 weeks, not 16 weeks.
Correct Answer is ["A","B"]
Explanation
A. Methicillin-resistant Staphylococcus aureus (MRSA) – Correct; requires contact precautions due to the risk of direct and indirect transmission.
B. Vancomycin-resistant Enterococcus (VRE) – Correct; requires contact precautions as it spreads through contaminated surfaces and hands.
C. Pertussis – Incorrect; pertussis is transmitted via droplets, so droplet precautions are needed.
D. Influenza – Incorrect; influenza spreads via droplets, requiring droplet precautions.
E. Group A Streptococcus B-hemolytic – Incorrect; requires droplet precautions, unless skin infections are present, which would then require contact precautions.
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.