Which statement about Fetal Alcohol Exposure is correct?
There is no known safe level of alcohol use during pregnancy or when trying to get pregnant.
Alcohol prior to conceptions cannot impact the fetus.
Alcohol exposure is most dangerous during the last trimester.
Fetal alcohol exposure increases the likelihood of twins or other multiples.
The Correct Answer is A
A. There is no known safe level of alcohol use during pregnancy or when trying to get pregnant:
Research has shown that any alcohol consumption during pregnancy can potentially cause fetal alcohol spectrum disorders (FASD). There is no safe amount.
B. Alcohol prior to conception cannot impact the fetus:
Alcohol use prior to conception can affect fertility and early embryonic development, especially since many pregnancies are unrecognized during early stages.
C. Alcohol exposure is most dangerous during the last trimester:
All trimesters are critical, but the first trimester is often considered the most vulnerable for teratogenic effects, especially for organ formation.
D. Fetal alcohol exposure increases the likelihood of twins or other multiples:
Alcohol exposure does not increase the likelihood of multiple births; it causes developmental abnormalities.
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Related Questions
Correct Answer is D
Explanation
A. The kidney senses decreased perfusion:
This occurs earlier in the RAAS sequence, triggering the release of renin — not the immediate next step after angiotensin I is produced.
B. Renin is released and cleaves angiotensinogen:
This precedes the production of angiotensin I, not after.
C. Blood volume is raised and blood pressure is increased:
This is the final result of RAAS activation, not the step immediately following angiotensin I production.
D. Angiotensin-converting enzyme helps to produce angiotensin II in the lungs and to stimulate the adrenal gland to release aldosterone:
After angiotensin I is produced, it travels to the lungs where ACE converts it into angiotensin II, a potent vasoconstrictor that also triggers aldosterone release.
Correct Answer is A
Explanation
A. Glaucoma:
Glaucoma is caused by increased IOP, which damages the optic nerve, leading to vision loss.
B. Cataracts:
Cataracts involve clouding of the lens, not elevated pressure or optic nerve damage.
C. Retinal detachment:
Retinal detachment involves the separation of the retina from underlying tissue, usually resulting from trauma or degeneration, not from pressure.
D. Retinoblastoma:
Retinoblastoma is a malignant tumor of the retina, typically seen in children, unrelated to IOP.
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