Nokea
What is the response of cells in the collecting tubules in the nephrons when antidiuretic hormone (ADH) is secreted?
- A. Serum potassium retention increases.
- B. Large quantities of dilute urine are formed.
- C. Water is reabsorbed from the urinary filtrate.
- D. The tubules become impermeable to water.
Correct Answer: C
Rationale:
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Where do spermatozoa develop in men?
- A. Seminiferous tubules
- B. Vas deferens
- C. Ejaculatory ducts
- D. Bulbourethral glands
Correct Answer: A
Rationale: Spermatozoa develop within the seminiferous tubules of each testis. These tubules are responsible for the production of sperm through a process called spermatogenesis. While the vas deferens, ejaculatory ducts, and bulbourethral glands play essential roles in the transport and release of sperm, they are not involved in the actual development of sperm.
What are groups of like cells called?
- A. Membrane
- B. System
- C. Organ
- D. Tissue
Correct Answer: D
Rationale: Groups of like cells are called tissues. Tissues consist of cells with similar structures and functions that work together to perform specific functions in an organism. Examples of tissues include muscle tissue, nerve tissue, and epithelial tissue.
What are the connective tissue cells found in nerve tissue called?
- A. Osteoblasts
- B. Neuroglia
- C. Osteocytes
- D. Arterioles
Correct Answer: B
Rationale: Within nerve tissue, in addition to neurons responsible for transmitting nerve impulses, there are connective tissue cells known as neuroglia. Neuroglia play a vital role in providing support, insulation, and protection for neurons within the nervous system. Osteoblasts are involved in bone formation, osteocytes are mature bone cells, and arterioles are small arteries responsible for regulating blood flow, not found in nerve tissue.
Which anatomical structure houses the terminal bronchioles?
- A. Heart
- B. Lung.
- C. Diaphysis.
- D. Femur.
Correct Answer: B
Rationale:
Where does digestion begin in the digestive system?
- A. Esophagus.
- B. Small intestine.
- C. Stomach.
- D. Oral cavity.
Correct Answer: D
Rationale: