Nokea
A mother asks a nurse when her daughter should get immunized again for human papilloma virus (HPV). What is the nurse’s most appropriate response to this question?
- A. Your daughter does not need this immunization until she becomes sexually active.
- B. The recommended age for this immunization is between 25 and 30 years of age.
- C. Between the ages of 11 and 26 years is the recommended time for this immunization.
- D. When she begins having menstrual periods is the best time for this immunization.
Correct Answer: C
Rationale: The correct answer is C: Between the ages of 11 and 26 years is the recommended time for this immunization. The HPV vaccine is recommended for females aged 11-26 to prevent HPV infections, which can lead to cervical cancer. Starting vaccination early provides the best protection before potential exposure to the virus. Option A is incorrect as waiting until sexual activity can leave the individual vulnerable to HPV. Option B is incorrect as the recommended age range is 11-26, not 25-30. Option D is incorrect as the timing of menstrual periods is not a factor in determining when to get the HPV vaccine.
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Which of the following structures is often referred to as the bag of water?
- A. Urinary bladder
- B. Gall bladder
- C. Amniotic sac
- D. Uterus
Correct Answer: C
Rationale: The correct answer is C: Amniotic sac. This structure is often referred to as the "bag of water" because it is a fluid-filled sac that surrounds and protects the developing fetus during pregnancy. The amniotic sac provides cushioning and maintains a stable environment for the fetus to grow. It is essential for the baby's development and acts as a barrier against infections.
Choice A: Urinary bladder - This structure is responsible for storing urine and is not typically referred to as the bag of water.
Choice B: Gall bladder - This organ stores bile produced by the liver and aids in digestion, not related to pregnancy or fetal development.
Choice D: Uterus - While the uterus is involved in pregnancy and fetal development, it is not commonly referred to as the bag of water.
Choose the statement that is NOT TRUE:
- A. Fragmentation is followed by regeneration.
- B. The offspring from asexual reproduction is genetically identical.
- C. The embryo of ovoviviparous gets nourishment from the egg yolk.
- D. Crossing-over occurs between sister chromatids of homologous chromosomes.
Correct Answer: D
Rationale: The correct answer is D because crossing-over occurs between non-sister chromatids of homologous chromosomes during meiosis, not between sister chromatids. This genetic exchange results in genetic variation. Fragmentation is followed by regeneration in some organisms, asexual reproduction produces genetically identical offspring, and ovoviviparous embryos do get nourishment from the egg yolk.
Inflammation of bone and bone marrow secondary to infection is called?
- A. Osteitis.
- B. Osteochondritis.
- C. Osteom
- D. Osteomyelitis
Correct Answer: D
Rationale: The correct answer is D: Osteomyelitis. Osteomyelitis refers to inflammation of bone and bone marrow secondary to infection. "Osteitis" (choice A) is a general term for bone inflammation without specifying infection. "Osteochondritis" (choice B) is inflammation of bone and cartilage, not bone marrow. "Osteom" (choice C) is not a recognized medical term. Therefore, based on the specific definition provided in the question, osteomyelitis is the most appropriate answer.
A nurse goes to a high school to teach students about reducing the risk of sexually transmitted infections. Which of the following is the best answer for providing information on the prevention of STIs?
- A. Have monogamous sex with an infected partner.
- B. Abstain from sexual activities.
- C. Wash any areas where there has been indirect contact with semen or vaginal mucus.
- D. Avoid protected sex until you and sexual partners have completed treatment.
Correct Answer: B
Rationale: Abstinence is the most effective way to prevent STIs.
Testosterone
- A. Boosts basal metabolic rate
- B. Influences behavior
- C. Increases bone density
- D. Increases skeletal muscle size and mass
Correct Answer: D
Rationale: Step-by-step rationale for why D is correct:
1. Testosterone is a key hormone for muscle growth.
2. It stimulates protein synthesis in muscles.
3. This leads to an increase in skeletal muscle size and mass.
4. Therefore, the correct answer is D.
Summary:
A: Testosterone does not directly boost basal metabolic rate.
B: Testosterone can influence behavior, but this is not the primary function discussed in the question.
C: Testosterone does not directly increase bone density.