Reproductive System Quizlet Anatomy

Reproductive System Quizlet Anatomy Related

Review Reproductive System Quizlet Anatomy related questions and content

Fecundation:

  • A. is monospermic;
  • B. consists in the fusion between the male and female gametes;
  • C. consists in the grafting of the egg at the level of the Fallopian tube;
  • D. requires the existence of several fecundated spermatozoa;
Correct Answer: B

Rationale: The correct answer is B: consists in the fusion between the male and female gametes. Fecundation, also known as fertilization, is the process where a sperm cell fuses with an egg cell to form a zygote. This is a crucial step in sexual reproduction. The male gamete (sperm) and the female gamete (egg) come together to combine their genetic material, resulting in the formation of a new individual. The other choices are incorrect because: A) Monospermic means involving only one sperm, which is not accurate as multiple sperm may reach the egg but only one will fertilize it. C) Grafting of the egg at the Fallopian tube is not how fertilization occurs; fertilization typically takes place in the fallopian tube but does not involve grafting. D) Fecundation does not require the existence of several fecundated spermatozoa; only one sperm is needed for fertilization to occur.

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When instructing a patient about the risk factors associated with breast cancer, which one of the following should be identified as a myth?

  • A. Breast cancer often follows an injury to the breast
  • B. The incidence of breast cancer increases with age
  • C. Women whose mothers or sisters have had breast cancer are twice as likely to develop it
  • D. A diet high in animal fat has been linked with an increased incidence of breast cancer
Correct Answer: A

Rationale: The idea that breast cancer often follows an injury to the breast is a myth; there is no evidence supporting this claim.

Bone is partially broken, it breaks on one surface and bends on another is known as ________________.

  • A. Colles fracture
  • B. Greenstick fracture
  • C. Impacted fracture
  • D. Compression fracture
Correct Answer: B

Rationale: The correct answer is B: Greenstick fracture. This type of fracture occurs in children due to their bones being softer and more flexible. In a greenstick fracture, the bone is partially broken, breaking on one surface while bending on the other. This happens because children's bones have more collagen and less mineral content, making them more likely to bend rather than break completely.

A: Colles fracture is a specific type of wrist fracture where the distal radius is broken.
C: Impacted fracture occurs when the broken ends of the bone are driven into each other.
D: Compression fracture involves the bone being crushed or compressed, usually seen in the spine.

The tailbone is also called as

  • A. Lumbar vertebra
  • B. Sacrum
  • C. Coccyx
  • D. Cauda equina
Correct Answer: C

Rationale: The correct answer is C: Coccyx. The tailbone is also known as the coccyx, which is a small triangular bone at the base of the spine. It consists of 3-5 fused vertebrae. The lumbar vertebra (A) is part of the lower back, the sacrum (B) is a large triangular bone at the base of the spine, and the cauda equina (D) is a bundle of nerves at the lower end of the spinal cord. The coccyx specifically refers to the tailbone, making it the correct choice in this context.

Sterilization in the male is accomplished by excising a small portion of the:

  • A. Vas deferens
  • B. Ejaculatory duct
  • C. Epididymis
  • D. Seminal vesicles
Correct Answer: A

Rationale: The correct answer is A: Vas deferens. Sterilization in males is typically done through a procedure called a vasectomy, where a small portion of the vas deferens is excised to prevent the transportation of sperm from the testicles to the urethra. The vas deferens is the duct that carries sperm from the epididymis to the ejaculatory duct. Excising a portion of the ejaculatory duct, epididymis, or seminal vesicles would not prevent the transportation of sperm, making choices B, C, and D incorrect.

On which day of the female's uterine (menstrual) cycle does ovulation typically occur?

  • A. Day 7
  • B. Day 14
  • C. Day 21
  • D. Day 24
Correct Answer: B

Rationale: The correct answer is B: Day 14. Ovulation typically occurs around day 14 of a female's menstrual cycle. This is because ovulation is triggered by a surge in luteinizing hormone (LH) which usually happens midway through the cycle. Ovulation marks the release of an egg from the ovary, making conception possible. Days 7, 21, and 24 are not typically associated with ovulation as they are either too early or too late in the menstrual cycle for the surge in LH to occur. It is important to note that the timing of ovulation can vary among individuals and cycles, but day 14 is considered the average for a 28-day menstrual cycle.

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