Nokea
Which of the following is a rounded, knuckle like bony process at the joint?
- A. Trochanter
- B. Tubercle
- C. Tuberosity
- D. Condyle
Correct Answer: D
Rationale: The correct answer is D: Condyle. A condyle is a rounded, knuckle-like bony process found at joints, typically for articulation with another bone. Trochanter (A) is a large, blunt bony process, typically found on the femur. Tubercle (B) is a small, rounded bony prominence. Tuberosity (C) is a large, rounded bony prominence for muscle attachment. Therefore, only condyle fits the description of a rounded bony process at a joint.
You may also like to solve these questions
Which of the following is/are an example(s) of asexual reproduction?
- A. Fission.
- B. Fragmentation.
- C. Budding.
- D. All of the abov
Correct Answer: D
Rationale: The correct answer is D: All of the above. Asexual reproduction involves the production of offspring from a single parent without the involvement of gametes or fertilization.
- Fission: Organism splits into two or more parts, each regenerating into a new individual.
- Fragmentation: Parent organism breaks into fragments, with each fragment developing into a new individual.
- Budding: New individuals develop as outgrowths or buds from the parent organism.
All these processes result in genetically identical offspring, making them examples of asexual reproduction.
For fertilization to be accomplished, of the secondary sex characteristics sperm release enzymes to break seen in young women? down the corona radiata from their
- A. enlargement of the accessory ________.
- B. mitochondria
- C. breast development
- D. acrosomes
Correct Answer: D
Rationale: The correct answer is D: acrosomes. Acrosomes are specialized vesicles in the head of the sperm that contain enzymes to help the sperm penetrate the outer layer of the egg during fertilization. Enlargement of the accessory organs (choice A), mitochondria (choice B), and breast development (choice C) are not directly related to the process of fertilization and do not involve the release of enzymes to break down the corona radiata. Acrosomes play a crucial role in the fertilization process by facilitating the penetration of the egg's protective layers, making choice D the correct answer.
Outermost layer of the uterus is
- A. Peritoneum
- B. Pericardium
- C. Perimetrium
- D. Pericyte
Correct Answer: C
Rationale: The correct answer is C: Perimetrium. The perimetrium is the outermost layer of the uterus and consists of a thin serous layer of connective tissue. This layer provides support and protection to the uterus.
Rationale:
1. Peritoneum (A) is the serous membrane that lines the abdominal cavity, not the outermost layer of the uterus.
2. Pericardium (B) is the membranous sac that surrounds the heart, not related to the uterus.
3. Pericyte (D) is a type of cell found in blood vessels and involved in vascular function, not a layer of the uterus.
In summary, the perimetrium is the correct answer as it is the specific layer that forms the outer covering of the uterus, providing structural support and protection.
Which question should the nurse ask when assessing a 60-yr-old patient who has a history of benign prostatic hyperplasia (BPH)?
- A. “Have you noticed any unusual discharge from your penis?”
- B. “Has there been any change in your sex life in the past year?”
- C. “Has there been a decrease in the force of your urinary stream?”
- D. “Have you been experiencing any difficulty in achieving an erection?”
Correct Answer: C
Rationale: The correct question to ask when assessing a 60-yr-old patient with a history of BPH is C: “Has there been a decrease in the force of your urinary stream?” This question is relevant as BPH commonly causes urinary symptoms like weak urinary stream. Asking about unusual discharge (A) is more relevant for assessing sexually transmitted infections. Inquiring about changes in sex life (B) and difficulty achieving an erection (D) are more related to erectile dysfunction, which may not be directly linked to BPH in this context.
In order for male differentiation to occur during embryonic development, testosterone must be secreted from the testes. What stimulates the secretion of testosterone during embryonic development?
- A. Luteinizing hormone from the maternal pituitary gland
- B. Human chorionic gonadotropin
- C. Inhibin from the corpus luteum
- D. Gonadotropin-releasing hormone from the embryo’s hypothalamus
Correct Answer: B
Rationale: The correct answer is B: Human chorionic gonadotropin (hCG) stimulates the secretion of testosterone during embryonic development. hCG is produced by the developing embryo and acts on the Leydig cells in the testes to trigger the production of testosterone. This hormone plays a crucial role in male differentiation by promoting the development of male reproductive organs.
A: Luteinizing hormone (LH) from the maternal pituitary gland is not involved in the early stages of male differentiation in the embryo. LH is typically involved in the regulation of testosterone production postnatally.
C: Inhibin from the corpus luteum is not involved in the stimulation of testosterone secretion during embryonic development. Inhibin is mainly involved in the negative feedback regulation of FSH secretion.
D: Gonadotropin-releasing hormone (GnRH) from the embryo's hypothalamus is not responsible for directly stimulating testosterone secretion during embryonic development. GnRH regulates the secretion