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Material Type: Exam; Professor: Vanberkum; Class: Human Physiology; Subject: Biological Sciences; University: Wayne State University; Term: Winter 2013;
Typology: Exams
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Bio3200: Human Physiology name:
April, 2013 Exam 4 [50 Qs]
Section 1: Complete each sentence with one of the two words in square brackets.
institual fluid/B. into the lumen of the nephron].
to angiotensin II/B. angiotensinogen to angiotensin I] in the blood.
hormone].
into the proximal or distal convoluted tubules.
Section 2: Multiple Choice. Select the single best answer based on physiology.
A. potassium
B. calcium
C. sodium
D. chloride
E. hydrogen
A. spleen
B. pancreas
C. esophagus
D. stomach
E. colon
A. to decrease blood pressure
B. to make urine less concentrated
C. to increase glucose concentration inside the nephron
D. to decrease osmolarity inside the nephron
E. to increase passive reabsorption of water
A. heart
B. intestine
C. skin
D. brain
E. liver
A. Na+-K+ ATPase activity
B. symport with sodium.
C. simple diffusion
D. A and B
E. A, B and C
A. glomerular capillary endothelium
B. basal lamina (often called basement membrane)
C. Bowman's capsule epithelium
D. A and B
E. A, B and C
A. parathyroid hormone
B. thyroid hormone
C. aldosterone
D. glucagon
E. insulin
A. skeletal muscle breaks down glycogen
B. adipocytes contribute fatty acids to the circulation
C. glucagon levels are elevated
D. the liver forms glycogen
E. all of the above
A. neutralizes acid entering from the stomach into the duodenum.
B. is secreted by apical Cl
antiport.
C. is secreted by the acinar cells.
D. A and B
E. A, B and C
A. is a major hormone acting during the teen years
B. acts on the liver to stimulate insulin-like growth factor release
C. increases plasma glucose levels
D. stimulates bone growth
E. all of the above
blood passes through them.
A. Atrial natriuretic peptide is produced by cells in the heart.
B. Atrial natriuretic peptide suppresses ADH secretion.
C. Atrial natriuretic peptide increases aldosterone secretion.
D. Atrial natriuretic peptide reduces the sensation of thirst.
E. Atrial natriuretic peptide promotes sodium loss at the kidneys.
A. decreased production of pepsinogen by chief cells.
B. a lower pH during gastric digestion.
C. decreased gastrin production.
D. a higher pH during gastric digestion.
E. increased protein digestion in the stomach.
A. angiotensin I.
B. angiotensin converting enzyme.
C. renin
D. aldosterone
E. angiotensinogen
A. stored in cytoplasmic granules (vesicles)
B. inserted in the membrane of a cell in response to glucagon
C. inserted in the membrane of a cell by endocytosis
D. found only in adipose tissue
E. A and D
A. decreased cortisol and ACTH
B. elevated cortisol and decreased ACTH
C. elevated cortisol and normal ACTH
D. decreased cortisol and elevated ACTH
E. elevated cortisol and ACTH
A. T4 is more abundant in the plasma.
B. T3 is the most biologically active.
C. T4 is the most biologically active.
D. A and B
E. A and C
open leak channels if an appropriate concentration gradient exists. The concentration of X in the
initial filtrate is approximately equal to that of the extracellular fluid. Later in the nephron, however,
the transport of Na+ and other solutes creates a gradient for X by removing water from the lumen of
the tubule. What substance is X most likely to be?
A. glucose
B. calcium
C. urea
D. potassium
E. amino acids
A. fluid flows in opposite directions in ascending and descending limbs.
B. water is actively pumped out of the descending limb
C. the NKCC transporter is predominantly present in the ascending limb
D. A and C
E. A, B and C
A. Conversion of angiotensin I to angiotensin II in the blood is the first step in the RAAS
pathway.
B. Compared to the cardiovascular system, kidneys respond slowly to changes in blood
volume.
C. When the pH rises above 7.45 a state of alkalosis exists.
D. In the kidney, the vasa recta help maintain the osmotic gradient.
E. Vasopressin is a hormone required to make hyper-osmotic urine.
A. less X is being filtered than protein
B. X is being secreted by the nephron
C. X is being reabsorbed by the nephron
D. more X is being secreted then reabsorbed
E. none of the above
A. muscularis mucosae.
B. myenteric plexus.
C. submucosa
D. serosa
E. lamina propria.
below is CORRECT?
A. The cell labeled P for principle cell, is the site of action for vasopressin.
B. The filtrate at A has a large amount of protein but not cells.
C. According to the osmolarity indicated at the outflow, this nephron must be exposed to
some vasopressin.
D. The dotted line B depicts the extent of a membrane that is impermeable to water.
E. The active transport pumps labeled C (an arrow with a ball) are pumping only sodium
ions.
Answer Key for Test “Ex4 draft 1”, 4/13/
No. in
Q-Bank
No. on
Test Correct Answer