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A&P Final Ex.4

In the diagram at left which of the labeled structures is a collecting duct? B. The spike of the long tube. (B)
Urine passes through the: A. Pelvis of the kidney to ureter to bladder to urethra.
A Bowman's capsule does not contain: D. Vasa recta
The kidneys are stimulated to produce renin: A. By decrease in the blood pressure
The ____ artery lies on the boundary between the cortex and medulla of the kidney. B. Arcuate
The glomerulus differs from other capillaries in the body in that it: B. Is drained by an efferent arteriole
The descending limb of the loop of Henle: B. Contains fluid that becomes more concentrated as it moves down into the medulla.
Select the correct statement about the ureters. C. The ureters are capable of peristalsis like that of the GI tract.
The renal corpuscle is made up of: D. Bowman's capsule and glomerulus.
The functional and structural unit of the kidney is: A. The nephron.
The chief force pushing water and solutes out of the blood across the filtration membrane is: D. Glomerular hydrostatic pressure (glomerular blood pressure).
Which of the following statements describes the histology of the ureters? A. The are trilayered (Mucosa, muscularis, and adventitia).
The filtration membrane includes all but: A. Renal fascia
The mechanism of water reabsorption by the renal tubule is: B. Osmosis
Place the following in correct sequence from the formation of a drop of urine to its elimination from the body. D. 3,6,2,1,5,4
Which of the following is not a part of the juxtaglomerular apparatus? A. Podocyte cells
Tubular reabsorption: D. By active mechanisms usually involves movement against an electrical and/or chemical gradient.
The factor favoring filtrate formation at the glomerulus is: B. The glomerular hydrostatic pressure
If the Tm for a particular amino acid is 120mg/100ml and the concentration of that amino acid in the blood is 230mg/100ml, the amino acid: D. Will appear in the urine
Excretion of dilute urine requires: D. Impermeability of the collecting tubule to water
The disruption in homeostasis known as pyletis is: C. An infection of the renal pelvis and calcyes
Which statement is correct? B. Reabsorption of water is hormonally controlled
The renal clearance rate equation is RC=____. B. UV/P
Which of the following is sodium depletion? A. Hypoatremia
Which of the following regulates sodium ion concentrations in the extracellular fluid? C. Aldosterone
Water occupies two main fluid compartments within the body the intracellular fluid compartment and the extracellular fluid compartment. Which of the following statements is true concerning the volume of intracellular fluid? B. Approximately two-thirds of the water is in the intracellular fluid compartment
Whereas sodium is found mainly in the extracellular fluid, most ____ is found in the intracellular fluid. A. Potassium
The single most important factor influencing potassium ion secretion is: B. Potassium ion concentration in blood plasma
The movement of fluids between cellular compartments: C. Is regulated by osmotic and hydrostatic forces
Which of the following statements is true regarding fluid shifts? C. Electrolytes have greater osmotic power than nonelectrolytes and therefore have the greatest ability to cause fluid shifts.
The total body water is divided into intra/extracellular fluids. Plasma is considered: D. Extracellular
Disorders of water balance include: D. Edema or tissue swelling, which is usually due to a decreased capillary hydrostatic pressure.
The most important force causing net water flow across capillary walls is: D. Hydrostatic pressure of capillary blood
The regulation of potassium balance: C. Involves aldosterone-induced secretion of potassium
Hypoproteinemia is a condition of unusually low levels of plasma proteins. This problem is often characterized by: A. Tissue edema
Select the correct statement about renal mechanisms of acid-base balance. C. Kidney tubule cells are able to synthesize bicarbonate ion
Blood analysis indicates a low pH, and the patient is breathing rapidly. Given your knowledge of acid-base balance, which of the following is most likely? D. Metabolic acidosis
In the diagram at left which of the labeled structures is the corpus luteum? D. The scrunchy hairtie one (D).
The dartos and cremaster muscles are important to the integrity of the male reproduction system. Which of the following is true about the role they play? A. They regulate the temperature of the testes.
The ability of sperm cells to move along the ductus deferens is due to: A. Peristaltic contractions
Which of the following glands are responsible for 60% of the synthesis of semen? A. The seminal vesicles
Human egg and sperm are similar in that: A. They have the same number of chromosomes
Fertilization generally occurs in the: D. Fallopian tubes
Functions of testosterone include: C. Facilitation of muscle and skeletal growth in mass
The cells that produce testosterone in the testis are called: D. Interstitial cells
Which is not a part of the proliferative phase of the female menstrual cycle? C. Corpus luteum
Select the correct statement about male sexual response. C. Erection is the result of vascular spaces in the erectile tissues filling with blood
Select the correct statement about mammary glands. C. The breasts of most nonpregnant females are composed of fat and connective tissue
During the secretory phase of the menstrual cycle: B. Progesterone levels are at their highest
Normally menstruation occurs when: B. Blood levels of FSH fall off
Select the correct statement about testosterone control: C. GnRh from the hypothalamus causes FSH and LH release from the anterior pituatary
Which of the following is a correct statement about uterine tubes? C. The infundibulum is the funnel-shaped region near the ovary
Which of the following statements about the female reproductive process in not true? B. Rebuilding the edomentrium is under the control of prolactin
A low secretion of lutenizing hormone (LH) in the normal male adult would cause: D. Decreased testosterone secretion
All of the following statements referring to the uterine cycle are true except: B. FSH and LH directly promote development of the uterine ednomentrium
Which of the following phases of processes in the monthly reproductive cycle of the female occur simultaneously? A. Regression of the corpus luteum and a decrease in ovarian progesterone secretion
The midpiece of the sperm tail contains mostly____ A. Mitochondria
The portion of the uterine endometrium that is not sloughed off every month is called the _____. D. Stratum basalis
What signals the corpus luteum to continue producing hormones if the oocyte is fertilized? B. Human chorionic gonadatropin
What is the purpose of the male bulbourethral gland? B. Neutralize the acids in the urethra
Created by: 100004551222292



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