Introductory Biology II, Exam II Name:____________________________________
Spring, 2012
Instructions: There are 50 questions; each is worth 2 pts. Write down the best answer for each one.
Please make sure that you fill out your scantron correctly. In case of discrepancy, the answer on the
scantron will be considered your answer. Hand in your scantron, but you may keep your exam. Good
luck!
e___1) A typical (average) systolic blood pressure:
a) 210 b) 430 c) 70 d) 30 e) 120
a___2) True or false: during exercise blood flow to the capillaries around the stomach can be reduced:
a) True b) False
b___3) Blood plasma is part of the:
a) living component of blood b) non-living component of blood c) impossible to tell
c___4) Thrombin:
a) turns Prothrombin into Postthrombin b) turns fibrin into fibrinogen
c) turns fibrinogen into fibrin d) causes platelets to become sticky
d___5) Which is not a preventable cause of heart disease:
a) smoking b) bad diet c) lack of exercise d) aging
d___6) The number 1 killer of people in the U.S. is:
a) diabetes b) strokes c) cancer d) heart disease e) HIV/AIDS
b___7) Your stomach acid is part of the:
a) specific defenses b) non-specific defenses c) neither
d___8) As a result of tissue damage, many damaged cells release:
a) antibodies b) antigens c) antigenic determinants d) histamine
a___9) True or false: interferon can cure the common cold:
a) True b) False
d___10) Antigens are generally found on the surface of:
a) T-cells b) B-cells c) Red blood cells d) pathogens
b___11) B-cells grow and mature in the:
a) Brain b) bone marrow c) thymus d) thyroid e) basilar membrane
a___12) True or false: each lymphocyte has only one type of antigen receptor on its surface:
a) True b) False
e___13) Antibodies can do all of the following except:
a) coat viruses or bacteria b) hook bacteria or viruses together
c) act as signals for complement proteins d) precipitate out toxins (antigens).
e) destroy bacteria by engulfing them.
a___14) True or false: helper T-cells can also make memory cells when activated:
a) True b) False
a___15) True or false: Perforin is used by cytotoxic T-cells to puncture infected cells of the body.
a) True b) False
e___16) An example of an autoimmune disease:
a) Sleeping sickness b) tuberculosis c) malaria d) common cold e) type I diabetes
d___17) Sleeping sickness is transmitted by:
a) sneezing b) exchange of body fluids c) mosquitoes d) Tse-tse flies
b___18) In humans, nitrogenous waste is:
a) ammonia b) urea c) uric acid d) none of the above
d___19) Waste products are expelled from the glomerulus into the:
a) collecting duct b) proximal tubule c) distal tubule d) Bowman's capsule
e___20) The loop of Henle:
a) removes wastes from the proximal tubule
b) collects waste products and puts them into the bladder
c) turns ammonia into urea
d) controls the levels of ADH in the kidney
e) establishes a salt concentration gradient in the kidney
a___21) ADH controls the permeability of the:
a) collecting duct b) proximal tubule c) distal tubule d) loop of Henle
a___22) If ADH levels rise, that means your kidneys will:
a) save water b) get rid of water
e___23) Not made in the anterior pituitary:
a) prolactin b) TSH c) ACTH d) endorphins e) ADH
d___24) Causes contractions of the uterus:
a) FSH b) LH c) prolactin d) oxytocin
d___25) Controls your sleep cycle (also used to set your biological clock); secreted by the pineal gland:
a) adrenalin b) estrogen c) testosterone d) melatonin
a___26) Calcitonin causes:
a) bones to absorb calcium b) bones to release calcium c) neither
b___27) Under normal circumstances insulin is made by which cells in the pancreas:
a) alpha b) beta c) gamma d) delta
d___28) As a result of the stress caused by this exam, your anterior pituitary has probably been
releasing which hormone for the last few days?
a) adrenalin b) prolactin c) oxytocin d) ACTH e) estrogen
b___29) If you only have one parent, what kind of reproduction is that?
a) sexual b) asexual
c___30) If each piece of an animal can grow a new individual, this type of reproduction is known as:
a) fission b) budding c) fragmentation d) parthenogenesis
d___31) Reproduction in which there only exist females (which can lay viable eggs without sperm):
a) fission b) budding c) fragmentation d) parthenogenesis
a___32) True or false: some fish can change from being female into male:
a) True b) False
c___33) Fertilization that takes place outside the body is known as:
a) internal b) mediated c) external d) removed
c___34) Type of birth in which the young are born alive, but do not receive any nutrients from the
mother:
a) oviparous b) viviparous c) ovoviviparous
a___35) Sperm are stored here:
a) epididymis b) seminal vesicles c) prostate gland d) bladder e) bulbourethral glands
c___36) Gland that causes many problems for men as they get older:
a) epididymis b) seminal vesicles c) prostate gland d) bladder e) bulbourethral glands
a___37) True or false: semen is slightly basic:
a) True b) False
d___38) Under normal circumstances, a fertilized egg will implant in the:
a) ovidcuts b) cervix c) ovaries d) uterus
b___39) True or false: the inside surface of the oviducts is covered with flagella:
a) True b) False
c___40) The surge in LH production causes:
a) FSH production to decline b) sperm to attach to eggs c) ovulation
d) the uterine lining to disintegrate e) ADH levels to decrease
e___41) The corpus luteum releases:
a) estrogen b) progesterone c) FSH d) all of the above e) a & b
e___42) Contractions in the uterus (for birth) are directly caused by:
a) estrogen b) progesterone c) FSH d) LH e) oxytocin
a___43) True or false: the baby gets much of its immunity from the mother via breast milk:
a) True b) False
a___44) The brain and spinal cord make up the:
a) CNS b) PNS c) impossible to tell
c___45) Supporting cells that help maintain the blood/brain barrier:
a) Schwann cells b) oligodendrocytes c) astrocytes d) neurons
d___46) The normal, resting, voltage of a neuron:
a) 250,00 volts b) 120 volts c) 240 volts d) -70 millivolts
a___47) At rest, a neuron has more K+ ions:
a) inside the cell b) outside the cell
b___48) Humans have:
a) electrical synapses b) chemical synapses c) none of the above
b___49) True or false: a presynaptic neuron will always cause an action potential in the postsynaptic
neuron:
a) True b) False
c___50) A really, really, bad thing to give to an elephant:
a) morphine b) caffeine c) LSD d) water e) serotonin
Reminders:
1) Please put your G-number on the scantron before you hand it in.
2) You may keep the exam.
3) Use blackboard to look up your score (hopefully within 24 hours).