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CVA exam 4 Questions & Answers(RATED A)
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) Transport of gases, nutrients, wastes, hormones, and antibodies 2) homeostasis 3) temperature regulation - ANSWER What are the functions of the blood vascular system? Metanephric kidney (reptiles, birds, mammals) pronephros mesonephros metanephros mesonephros duct uretic vas deferens...

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  • November 22, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cva exam 4
  • cva
  • cva exam 4 questions answersrated a
  • 1 transport of gases nutrients wastes hormone
  • metanephric kidney reptiles birds mammals pron

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  • CVA[24] - Certified Veterinary Assistant
  • CVA[24] - Certified Veterinary Assistant

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CVA exam 4 Questions &
Answers(RATED A)
1) Transport of gases, nutrients, wastes, hormones, and antibodies
2) homeostasis
3) temperature regulation - ANSWER What are the functions of the blood vascular
system?

Metanephric kidney (reptiles, birds, mammals)
pronephros
mesonephros
metanephros
mesonephros duct
uretic
vas deferens
renal corpuscle
Bowman's capsule
glomerulus
pedicels
fenestrated
proximal
loop of Henle
distal
sodium
chloride
Water
renal papilla
renal pelvis - ANSWER The ________ and ______ develop but degenerate, so that
only the _______ persists in adults. The ureter grows out from the __________ _____
as a ______ bud. The mesonephric duct persists as the ______ ______ in males and
degenerates in females.
A _______ ______ consists of a _________ and a glomerulus. The inner wall of the
capsule covers the _______. Blood passing through the glomerulus is filtered. Foot-like
projections of podocytes, called ______, combine with the capillary wall to create
filtration pores. Also, the capillaries in the glomerulus are______ (have pores). After the
Bowman's capsule, the filtrate passes into the ______ convoluted tubule, where sugars,
amino acids, vitamins, and salts are returned to the bloodstream, then the descending
and ascending________ __ _______, then the ______ convoluted tubule, where it is
acidified and _______ and ______ are removed. ________ is returned to the blood by
the proximal and distal convoluted tubules and by the collecting tubules/ducts. The urine
flows down the common collecting tubules/ducts -> ______ _____-> minor calyx ->
major calyx -> _________ _____ -> ureter -> bladder or cloaca

Bowman's capsule chloride

, distal dorsal
fenestrated glomerulus
loop of Henle mesonephros
mesonephros duct metanephros
pedicels posterior
potassium phosphates
pronephros proximal
renal corpuscle renal papilla
renal pelvis sodium
uretic vas deferens
Water

Blood vascular system and lymphatic system - ANSWER What are the divisions of the
circulatory system?

(Heart) -> arteries -> arterioles -> capillaries -> venules -> veins -> Heart
Metarterioles act as channels (AKA capillary shunts) shunt blood directly from arterioles
to venules supply capillary beds - ANSWER Describe the different types of blood
vessels

Thin blood vessels (diameter slightly larger than red blood cells)
Endothelium (simple squamous epithelium + basement membrane)
Some capillaries are fenestrated (have tiny pores); e.g. kidneys, villi
Precapillary sphincters of smooth muscle control blood flow into capillary beds -
ANSWER Capillaries

Veins return blood to the heart. They have large lumens and thin walls (compared to
arteries).
They have 3 tunics:
Tunica intima: innermost layer; endothelium (simple squamous epithelium + connective
tissue basement membrane)
Tunica media: middle layer; smooth muscle sandwiched between elastic tissue; thinner
and has less smooth muscle and elastic tissue than in arteries, so tunica media is NOT
the thickest layer in veins
Tunica externa: outermost layer; mostly connective tissue; the thickest layer in veins -
ANSWER Veins

NO HEART
Ventral pulsating vessel homologous to the vertebrate heart - ANSWER Heart-
Amphioxus

Straight 4-chambered heart
-sinus venosus
-atrium
-ventricle
-conus arteriosus - ANSWER Heart- primitive vertebrates, lampreys

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