the first menstrual period occurs between the age of

HESI RN

Reproductive System Exam Quizlet

1. At what age does the first menstrual period typically occur?

A. 9 and 15 years
B. 2 and 10 years
C. 1 and 5 years
D. 18 and 20 years

Correct answer: A

Rationale: The first menstrual period, known as menarche, typically occurs between the ages of 9 and 15 years. This marks the onset of puberty in females. Choices B, C, and D are incorrect because the first menstrual period does not occur as early as 2 years old, 1 year old, or as late as 18 to 20 years old.

2. How many arteries are there in an umbilical cord?

A. Three
B. One
C. Two
D. Four

Correct answer: C

Rationale: There are two arteries in an umbilical cord. The umbilical cord contains two arteries and one vein. Artery carries blood away from the fetus, while the vein returns blood to the fetus. Therefore, choices A, B, and D are incorrect as they do not represent the correct number of arteries in an umbilical cord.

3. According to the Medical Termination of Pregnancy (MTP) Act, 1971, how many weeks of pregnancy is Medical Termination of Pregnancy considered safe up to?

A. 8 Weeks
B. 12 Weeks
C. 18 Weeks
D. 6 Weeks

Correct answer: B

Rationale: According to the Medical Termination of Pregnancy (MTP) Act, 1971, Medical Termination of Pregnancy is considered safe up to 12 weeks of pregnancy. This timeframe is crucial to ensure the safety and well-being of the individual undergoing the procedure. Choices A, C, and D are incorrect because they do not align with the legal provisions outlined in the MTP Act, 1971.

4. Which of the following hormone ratios is MOST likely to be increased in a patient with PCOS?

A. Progesterone/estrogen
B. LH/FSH
C. FSH/LH
D. Glucagon/insulin

Correct answer: B

Rationale: In patients with Polycystic Ovary Syndrome (PCOS), the LH/FSH ratio is most likely to be increased. This hormonal imbalance is a key characteristic of PCOS, where elevated LH levels relative to FSH contribute to the pathophysiology of the condition. Choice A, progesterone/estrogen ratio, is not typically a defining feature of PCOS. Choice C, FSH/LH ratio, is the reverse of what is commonly observed in PCOS. Choice D, glucagon/insulin ratio, is not directly related to the hormonal imbalances seen in PCOS.

5. What is the typical measurement of the anterior wall of the vaginal canal?

A. 10 cm
B. 11 cm
C. 11.5 cm
D. 7.5 cm

Correct answer: D

Rationale: The typical measurement of the anterior wall of the vaginal canal is 7.5 cm. This measurement is anatomically accurate, making choice D the correct answer. Choices A, B, and C provide measurements that are larger than the typical measurement of the anterior wall of the vaginal canal and are therefore incorrect.