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HAN1332 human anatomy II multiple choice questions with 100% correct answers
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ANATOMY & PHYSIOLOGY II: EXAM 4(MULTIPLE CHOICE QUESTIONS)
If the diameter of the afferent arterioles leading to the glomerulus decreases
(vasoconstriction), which of the following is NOT likely to occur?
(a) Urine output will decrease
(b) Net filtration pressure will decrease
(c) Systemic blood pressure will decrease
(d) Glomerular filtration rate will decrease - c
Whereas sodium is found mainly in the extracellular fluid, most ________ is found in the
intracellular fluid.
(a) iron
(b) bicarbonate
(c) chloride
(d) potassium - d
Which of the choices below is the salt level-monitoring part of the nephron?
(a) principal cell
(b) nephron loop
(c) vasa recta
(d) macula densa - d
The structures that receive the ovulated oocyte, providing a site for fertilization and
passage to the uterus, are called the __________ .
(a) infundibula
(b) Graafian follicles
(c) fimbriae
(d) uterine tubes - d
Which of the following is NOT a chemical buffer system?
(a) nitrogen
(b) protein
, (c) phosphate
(d) bicarbonate - a
What is the best explanation for the microvilli on the cells of the proximal convolutes
tubule (PCT)?
(a) They increase the surface area and allow for a greater volume of filtrate components
to be reabsorbed
(b) They hold on to enzymes that cleanse the filtrate before reabsorption
(c) They increase the amount of surface area that comes in contact with the blood's
plasma to help actively excrete toxins
(d) Their movements propel the filtrate through the tubules - a
What hormone reduces blood pressure and blood volume by inhibiting nearly all events
that promote vasoconstriction and sodium ion and water retention?
(a) antidiuretic hormone (ADH)
(b) atrial natriuretic peptide (ANP)
(c) thyroxine
(d) aldosterone - b
Why doesn't semen enter the urinary bladder during ejaculation?
(a) Ejaculation is a parasympathetic reflex that activates urinary contraction muscles
(b) There is no urge to urinate during sexual intercourse because of the suppression of
LH by testosterone buildup in the blood
(c) The smooth muscle sphincter at the base of the urinary bladder closes
(d) There is no common duct between the reproductive system and the urinary system -
c
The critical factor that determines gender during development is __________ .
(a) lack of an X chromosome
(b) presence of progesterone
(c) the SRY gene
(d) inhibition of estrogen - c
Hydrostatic pressure is the primary driving force of plasma through the filtration
membrane into the capsular space. All but one of the following statements reflects why
hydrostatic pressure is so high in the glomerular capillaries. Select the one statement
that does NOT explain the high pressure within the glomerular capillaries.
(a) The volume of plasma in the efferent arteriole is higher when compared to the
afferent arteriole
(b) The flow of blood is reduced as blood reaches the efferent arteriole
(c) The diameter of the efferent arteriole is smaller than the afferent arteriole
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