Prostate cancer is ___________.
sometimes a slow-growing cancer that may never represent a threat to the patient
Atrial natriuretic peptide is a hormone that is made in the atria of the heart. The influenceof this hormone is to ______________.
reduce blood pressure and blood volume by inhibiting sodium and water retention
Which of the following statements about the female reproductive process is not true?
Rebuilding the endometrium is under the control of prolactin.
Select the correct statement about the uterine cycle.
If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
Place the following in correct sequence from the formation of a drop of urine to its elimination from the body.
1. major calyx
2. minor calyx
6. collecting duct
nephron, collecting duct, minor c, major c, ureter, urethra
The constancy of the chromosome number from one cell generation to the next is maintained through ________.
In humans, seperation of the cells at the two-cell state following fertilization may lead to the production of twins, which in this case would be _______________.
The fatty tissue surrounding the kidneys is important because it _______.
stabilizes the position of the kidneys by holding them in their normal position
Which of the following best describes kidney function in older adults (70+)?
Kidney function decreases due to kidney atrophy.
Which of the following hormones is important in stimulating water conservation in the kidneys?
Fetal kidneys do not have to work very hard because ___________.
the placenta allows the mother's urinary system to clear the waste from fetal blood
Which of the choices below is not a function of the urinary system?
eliminates solid, undigested wastes and excretes carbon dioxide, water, salts and heat
Annie had just eaten a large order of heavily slated fries, some pickled eggs and some cheese. How will consuming this much salt affect her physiology?
There will be a temporary increase in blood volume.
Which of the following hormones is important in the reguation of sodium ion concentrations in the extracellular fluid
The maintenance of the proper pH of the body fluids may be the result of _______.
the control of respiratory ventilation
The basic difference between spermatogenesis and oogenesis is that ________.
in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell
Why doesn't semen enter the urinary bladder during ejaculation?
The smooth muscle sphincter at the base of the urinary bladder closes.
blood analysis indicated a low pH, and the patient is breathingrapidly. Given your knowledge of acid-bsed balance, which of the following is most likely?
Which of the following statements is a false statement?
The male urethra serves both the urinary and reproductive systems at the same time.
Which of the following two organs function as the most important physiological buffer system?
the lungs and the kidneys
One of the major physiological factors that triggers thirst is ________.
a rise in plasma osmolality
If one says that the clearance value of glucose is zero, what does this mean?
Normally all the glucose is reabsorbed.
All of the following statements referring to the uterine cycle are true except ______.
FSH and LH directly promote development of the uterine endometrium
Hypoproteinemia is a condition of unusually low levels of plasma proteins. This problem is often characterized by _________.
Which of the following acts as the trigger for the initiation of micturition (voiding)?
the stretching of the bladder wall
Which cells of the kidney are chemoreceptors that respond to changes in solute content of the filtrate?
macula densa cells
A patient is breathing slowly and blood pH analysis indicated an abnormally high value. What is the likely diagnosis?
Which of the following statements is true regarding fluid shifts?
Electrolytes have greater osmotic power than nonelectrolytes and therefore have the greatest ability to cause fluid shifts.
If the Tm for a particular amino acid is 120mg/100ml and the concentration of that amino acid in the blood is 230mb/100ml, the amino acid will ________-
appear in the urine
A disease caused by inadequate secretion of antidiuretic hormone (ADH) by the pituitary gland with symptoms of polyuria is ________
Which of these statements about STIs is false
Syphilis is caused by a virus that may lead to death if untreated
The regulation of sodium ________
involves aldosterone, a hormone that increases sodium excretion in the kidneys
Which is the function of juxtaglomerular apparatus?
help regulate blood pressure and the rate of blood filtration by the kidneys
If gametes were diploid like somatic cells, how many chromosomes would the zygote contain?
twice the diploid number, and with every succeeding generation, the chromosome number would continue to double and normal development could not occur
whereas sodium is found mainly in the extracellular fluid, most ________ is found in teh intracellular fluid.
The fluid in the glomerular (Bowman's) capsule is similar to plasma except that it does not contain a significant amount of ________
The most important force causing net water flow across capillary walls is ___________
hydrostatic pressure of capillary blood
Which of the choices below is not a function of the vagina?
serves as a passageway for the primary oocyte