Question: What structure does the sperm enter after the ductus deferens?
Answer Choices: Seminiferous tubules Ejaculatory duct Rete testis Epididymis
Answer: B: Ejaculatory duct
Question: Which condition would trigger thirst?
Answer Choices: Decreased plasma-solute concentration Increased plasma-solute concentration
Answer: B: Increased plasma-solute concentration
Question: What is the function of the hormone aldosterone?
Answer Choices: Promotes secretion of calcium into renal tubules Promotes reabsorption of potassium from renal tubules Promotes secretion of sodium into renal tubules Promotes reabsorption of sodium from renal tubules
Answer: D: Promotes reabsorption of sodium from renal tubules
Question: Where is an IUD placed to prevent implantation?
Answer Choices: A. Uterus B. Ovary C. Uterine tubes D. Vagina
Answer: A. Uterus
Question: When comparing a lean adult female to a lean adult male, who will most likely have a higher percentage of body fluid?
Answer Choices: The male The female
Answer: A: The male
Question: What is contained within the amniotic cavity?
Answer Choices: Embryo Chorionic villi Allantois Yolk sac
Answer: A: Embryo
Question: What are gametes?
Answer Choices: A‑ Fertilized eggs B‑ Sex cells (sperm or eggs) C‑ Embryos D‑ Somatic cells
Answer: B Sex cells
Question: What change in fluid concentration leads to hypotonic hydration?
Answer Choices: A‑ Hypertonic extracellular fluid B‑ Hypotonic extracellular fluid C‑ Isotonic intracellular fluid D‑ Hypertonic intracellular fluid
Answer: B Hypotonic extracellular fluid
Question: How does synthetic progesterone in contraceptives prevent pregnancy?
Answer Choices: It binds to the fertilized egg and destroys it. It prevents the LH surge and thus prevents ovulation. It prevents implantation of the fertilized egg. It constricts the cervix to prevent the sperm from reaching the egg.
Answer: B: It prevents the LH surge and thus prevents ovulation.
Question: The ductus arteriosus carries blood between which two structures?
Answer Choices: From internal iliac artery to placenta From umbilical vein to inferior vena cava From right atrium to left atrium From pulmonary trunk to aorta
Answer: D: From pulmonary trunk to aorta
Question: What type of acid-base imbalance can result from the ingestion of too much sodium bicarbonate to relieve indigestion?
Answer Choices: Metabolic acidosis Respiratory alkalosis Respiratory acidosis Metabolic alkalosis
Answer: D: Metabolic alkalosis
Question: By what route do drugs ingested by a pregnant woman most likely reach her fetus?
Answer Choices: Through the placental membrane Through the yolk sac Through the amniotic membrane Through the allantois
Answer: A: Through the placental membrane
Question: Where is testicular cancer most likely to originate?
Answer Choices: Epithelial cells of the seminiferous tubules Connective tissue cells of the seminiferous tubules Intestinal cells Epidermal cells of the scrotum
Answer: A: Epithelial cells of the seminiferous tubules
Question: The hormone that regulates the concentration of sodium and potassium ions in extracellular fluid is secreted from which gland?
Answer Choices: Adrenal medulla Anterior pituitary Adrenal cortex Posterior pituitary
Answer: C: Adrenal cortex
Question: Name the cells in the testis that produce male sex hormones.
Answer Choices: Seminiferous cells Interstitial cells Spermatogonia Spermatogenic cells
Answer: B: Interstitial cells
Question: At the end of a quiet inspiration, an additional volume of air can be inhaled. What is this additional amount of air called?
Answer Choices: A. Residual volume; B. Inspiratory reserve volume; C. Expiratory reserve volume; D. Vital capacity
Answer: B. Inspiratory reserve volume
Question: What substance, produced in the lungs, decreases surface tension and is needed for the newborn to be able to expand its lungs?
Answer Choices: Prolactin Allantois Prostaglandin Surfactant
Answer: D: Surfactant