Answers |Actual Complete Exam| Already Graded A+
What is the first question to consider when helping a breastfeeding mother with a medication
question?
A) What is the relative infant dose of the medication?
B) What is the protein binding of the medication?
C) What is the molecular weight of the medication?
D) Is the medication really necessary to take now? ✔Correct Answer-D
Which drug property results in more transfer of the drug into the mother's milk?
A) Molecular weight >800 Daltons
B) High protein binding
C) High lipid solubility
D) Low maternal plasma concentration ✔Correct Answer-C
When it comes to medications and breastfeeding, drugs with a shorter half-life are preferred. How
many half-lives until it is generally considered that the drug is eliminated from the system?
A) 3
B) 5
C) 7
D) 9 ✔Correct Answer-B
If a woman is given 80 mg of a drug to treat a urinary tract infection - and the drug has a half-life of 3
hours - how much will be left in her system after 3 half-lives?
A) 40 mg
B) 20 mg
C) 10 mg
D) 5 mg ✔Correct Answer-C
What is considered a high enough molecular weight that the medication will be too big to easily get
into the breast milk compartment?
A) 200 Daltons
B) 300 Daltons
C) 400 Daltons
D) More than 800 Daltons ✔Correct Answer-D
Drugs can be highly bound to albumin, a large protein in the blood circulation, and therefore too big
to get into the breast milk space. What percentage of protein binding is considered high and
therefore preferred?
A) 40%
B) 60%
C) 80%
D) >90% ✔Correct Answer-D
While most drugs are compatible with breastfeeding, a few are not. Which type of drug is usually
contraindicated for breastfeeding?
A) Antibiotic
B) Antidepressant
,C) Chemotherapy
D) Diabetic therapy ✔Correct Answer-C
A Relative Infant Dose (RID) of _____ indicates compatibility with breastfeeding.
A) <10%
B) >10% ✔Correct Answer-A) <10%
A good resource to use to figure out if a medicine is compatible with breastfeeding is:
A) The Physician Desk Reference (PDR)
B) The medicine package insert
C) Google
D) LactMed ✔Correct Answer-D) LactMed
In Hale's Medications and Mothers' Milk, which lactation risk category is the safest?
A) L1
B) L2
C) L4
D) L5 ✔Correct Answer-A
In Hale's Medications and Mothers' Milk, what lactation risk category does a medication go into if
there is absolutely no published data about the medication, even if it is considered safe?
A) L2
B) L3
C) L4
D) L5 ✔Correct Answer-B
In which lactation risk category in Medications and Mothers' Milk is this the recommendation: "The
drug is contraindicated in women who are breastfeeding an infant."
A) L2
B) L3
C) L4
D) L5 ✔Correct Answer-D) L5
Many antibiotics are safe for the breastfeeding mother to take. However, caution needs to be taken
with this antibiotic, ________, about which Hale's Medications and Mothers' Milk says, "This
antibiotic can be extremely toxic, particularly in neonates, and should not be used for trivial
infections."
A) Ampicillin
B) Chloramphenicol
C) Gentamicin
D) Metronidazole ✔Correct Answer-B) Chloramphenicol
Plasma levels of most topical and ophthalmic preparations are virtually nil and are not likely to
produce milk levels at all.
A) True
B) False ✔Correct Answer-A) True
Some drug pumping systems exist in the alveolar cell (the cells that line the milk sac). For example,
iodine is readily pumped into the milk compartment. Therefore, any form of radioactive iodine
should be avoided while breastfeeding.
A) True
,B) False ✔Correct Answer-A) True
Although there are many exceptions, in general, _______ of the maternal dose finds its way into the
milk and, subsequently, to the baby. ***(Do not confuse this with Relative Infant Dose)
A) <1%
B) 5%
C) 10%
D) 12.5% ✔Correct Answer-A
What is the AVERAGE volume of milk consumed per 24 hours by a breastfed baby around age 2-4
weeks?
A) 550-600ml (18-20oz)
B) 650-700ml (21.5-23oz)
C) 750-800 ml (25-26.5oz)
D) 850-900ml (28-30oz) ✔Correct Answer-C
Which statement about the effect of human milk on the child's immune system would be MOST
important to medical students?
A)Human milk stimulates the baby to begin making his own SIgA and other antibodies.
B)Exclusively breastfed babies have a poorer response to immunizations.
C) The mother's own milk provides passive immunity between placentally acquired immunity and
autonomous immune protection.
D)The breastfed baby is at higher risk of infection because he relies on the mother's immune
protection during breastfeeding ✔Correct Answer-C
Which component of preterm milk is proportionally higher than in term milk?
A) Protein
B)Lactose
C)Phosphorus
D)Iron ✔Correct Answer-A
Which is the MOST APPROPRIATE suggestion for a pregnant woman concerned about eating well
enough for her own body growth and her developing baby?
A)Take prenatal vitamins every day
B)Eat fruits, vegetables, and protein-rich food 5 times a day
C)Plan your meals and snacks so you can eat every few hours
D)Plan to gain 25-35 pounds by the end of your pregnancy ✔Correct Answer-D
A 3-week-old exclusively breastfed baby with a strong family history of allergy has a severe reaction
the first time he is fed with a cow's milk-based formula. The MOST LIKELY explanation for this is that
the:
A)baby was sensitized by intact cow's milk proteins that passed into the mother's milk
B)baby was given a bottle of formula in the hospital nursery
C)mother consumed large amounts of dairy products during pregnancy
D)allergic reaction was more likely due to the latex in the bottle nipple than the cow's milk
✔Correct Answer-C
Which of the following components of human milk has the MOST immunological importance?
A)Interferon
B)Fibronectin
C)Lactoferrin
, D)Secretory IgA ✔Correct Answer-D
Which of the following protective components of milk is destroyed by freezing?
A)Lysozyme
B)Lymphocytes
C)Secretory IgA
D)Lactoferrin ✔Correct Answer-B
According to studies of breastfed babies in an industrialized society, which of the following feeding
patterns most closely approximates that of an exclusively breastfed 3-month-old baby?
A)4-6 feeds per day, total 60 minutes or more
B)6-8 feeds per day, total 100 minutes or more
C)8-10 feeds per day, total 120 minutes or more
D)10-12 feeds per day, total 140 minutes or more ✔Correct Answer-D (8-12 feeds 140-160
minutes)
When are fat levels in mother's milk highest?
A)When the milk ejection reflex is strong
B)During the night
C)After the mother eats a high-fat diet
D)When the breast is relatively empty ✔Correct Answer-D
Which of the following is the MOST IMPORTANT function of lactoferrin?
A)Bind and deactivate pathogens
B)Nerve Myelinization
C)Iron Transport
D)Anti-inflammatory agent ✔Correct Answer-A (also transports iron and is anti-inflammatory)
What is thought to be the PRIMARY function of Montgomery glands?
A)Pigmented marker for visual targeting
B)Lubricate the skin of the areola
C)Secrete antibiotic substances
D)Change elasticity of areola skin ✔Correct Answer-B
Which hormone in the milk is MOST responsible for anti-inflammation activity?
A)Prolactin
B)Prostaglandins
C)Oxytocin
D)Relaxin ✔Correct Answer-B
Which breast structure contains muscle fibers?
A)Lactiferous sinuses
B)Alvoli and ducts
C)Montgomery tubercles
D)Lactocytes ✔Correct Answer-B (contain smooth muscle fibers)
Approximately how much milk does a baby age 1-3 days obtain at the breast?
A)150ml/day (5oz/day) of colostrum
B)The baby gets increasing amounts each day as milk volume increases
C)The baby needs a supplement until day 5 when mother's supply is sufficient